Mostly Unpublished NES Cheats ;)

red    marked cheats are unique, not listed on any site (tell me if not).
brown marked cheats from various other sources like gamefaqs.com etc, checked and fixed if necessary.
gray   marked disabled or missed cheats buried inside game ROM.

  Taiwan Mahjong 16, Tai Wan Ma Que 16
  T & C 2 - Thrilla's Surfari
  Tag Team Pro-Wrestling, Tag Team Wrestling, Special Tag Team Pro-Wrestling
  Tai Kong Huan Xiang (Nanjing, NJ016)
  Taito Basketball, Ultimate Basketball
  Taito Chase H.Q.
  Taito Grand Prix - Eikou heno License
  Taiyou no Shinden - Asteka 2, Tombs and Treasure
  Taiyou no Yuusha Firebird
  Taiwan Mahjoing II
  Takahashi Meijin no Bouken Shima IV
  Takahashi Meijin no Bugutte Honey
  Takeda Shingen
  Takeshi no Chousenjou
  Takeshi no Sengoku Fuuunji
  Tantei Jinguuji Saburou - Toki no Sugiyuku Mama ni
  Target Renegade
  Tasac
  Tashiro Masashi no Princess ga Ippai
  Tatakae!! Rahmen Man - Sakuretsu Choujin 102 Gei
  Tatakai no Banka, Trojan
  Tecmo Bowl
  Tecmo Super Bowl
  Tecmo World Cup Soccer
  Teenage Mutant Ninja Turtles II - The Arcade Game, Teenage Mutant Hero Turtles II - The Arcade Game, Teenage Mutant Ninja Turtles (Japan)
  Teenage Mutant Ninja Turtles III - The Manhattan Project, Teenage Mutant Ninja Turtles 2 - The Manhattan Project (Japan)
  Teenage Mutant Ninja Turtles - Tournament Fighters
  Tekken 2
  Tenchi wo Kurau II - Shokatsu Koumei Den
  Tenka no Goikenban - Mito Koumon
  Tenkaichi Bushi - Keru Naguuru
  Terminator 2 - Judgment Day
  Terminator, The
  Terra Cresta
  Tetrastar - The Fighter
  Tetris (Nintendo)
  Tetris (Tengen)
  Tetris 2, Tetris Flash
  Tetris 2 + Bombliss
  Tetsudou Ou - Famicom Boardgame
  Tetsuwan Atom
  Thexder
  Thomas the Tank Engine and Friends (Prototype)
  Thunder Warrior (Micro Genius)
  Thunderbirds
  Thunderbolt 2 - Fighting Plane (Game Tech, Open Corp.)
  Thundercade
  Tiger-Heli
  Time Diver Eon Man (Prototype), Time Diver Avenger (Nitra)
  Time Zone
  Tiny Toon Adventures
  Tiny Toon Adventures 2 - Montana Land e Youkoso, Tiny Toon Adventures 2 - Trouble in Wackyland
  Tiny Toon Adventures 6
  Tiny Toon Adventures Cartoon Workshop
  Titan
  Titan Warriors (Prototype)
  TM Network - Live in Power Bowl
  Toki no Tabibito
  Tokoro San no Mamoru mo Semeru mo
  Tom & Jerry and Tuffy
  Toobin'
  Top Gun - Dual Fighters, Top Gun - The Second Mission
  Top Rider
  Touch Down Fever
  Touhou Kenbun Roku
  Toukon Club
  Tokyo Pachi Slot Adventure
  Toy Story
  Tower of Druaga, The
  Toxic Crusaders
  Treasure Master
  Trolls on Treasure Island
  Tsuppari Wars
  Tsuri Kichi Sanpei - Blue Marlin Hen
  Tsuru Pika Hagemaru - Mezase! Tsuru Seko no Akashi
  TwinBee
  TwinBee 3 - Poko Poko Dai Maou

Cheats summary:
generic cheats-30
unique cheats-75
buried secrets-44
fixed generic cheats-15
unverified games-0
games with secrets-77
games with no secrets found-31

Taiwan Mahjong 16, Tai Wan Ma Que 16

(UNI) Secret message 1 (added 02.12.08):
At the title screen, press Up, A, Left, B, Down, B, Right, A, B, B, A on controller 1.

(UNI) Secret message 2 (added 09.02.15):
During the game, during player's turn, press Up, Down, B, B, Left, Right, A, A, Up, Down, Left, Right, A, B on controller 2.

(UNI) Secret message 3 (added 09.02.15):
During the game, during player's turn, press Right, A, B, A, Down, B, A, B, Up, A, A, B, Left, B, B, A on controller 2.

(UNI) Secret message 4 (added 09.02.15):
During the game, hold Up + Select on controller 1 before the player's turn. Repeat this for at least 10 turns. Last three messages are the same andthey are full version of the title screen message. All four message strings are simple encoded with XOR function, each string uses different XOR encoding value, so you couldn't see them in RAW hex or ASCII dump.

T & C 2 - Thrilla's Surfari

(UNI) Infinite lives and stage skip:
At the title screen, press Left, Up, Right, Up, Right, Down, A. During the game, except bosses, press Select to skip to the next level. To skip from boss level, press Select at the stage name screen.
Thanks to Kitsune for corrections.

Tag Team Pro-Wrestling, Tag Team Wrestling, Special Tag Team Pro-Wrestling

(FIX) Round select (added 12.08.06):
At the title screen, press Up, Right, Down, Left, Down, Right, Up, Left, A, B, then press A the same amount of times of the round you want to start in and press Start. Note, you can advance with this cheat up to 99 round, but you must do it quick, before the demonstration start and counter is reset to 0. Also note, there is no additional continue cheats in this game. The last played round number doesn't reset after the game over screen, and will be used for the title screen demo, as well as the new game will always continue from the neares round number to the last played one: 1, 4, 9, 16, 26, 36. For example, if you loose at round 20, you'll continue at 16 round. All rounds above 36 will continue from 36 round.
Source: ReyVGM

(UNI) Fan resque (added 06.02.15):
There are two team members for each side in this game. Two are on the ring, and two is waiting outside of the ring. When one of the fighters on the ring is in trouble (kept in the air or hugged), then other fighter should kick its opponent with bare hands to resque its team member. But they won't help if you huggen on the floor. To make it help in this case too, hold A + B on controller 2 and shout continuosly to the microphone, the second fighter will run and kick your opponent with a large fan. This can be done only in single player mode. This cheat is present also in the US version, but can't be used due to lack of the microphone on controller 2.

Tai Kong Huan Xiang (Nanjing, NJ016)

(UNI) Secret message (added 21.05.14):
During the game, while in conversation mode, hold Up + Select + Start on controller 1 and skip with A to the end of the dialog. The copyrigh string will be displayed in the dialog box. This cheat can be found in a couple of Nanjing games on the same engine.

Taito Basketball, Ultimate Basketball

(UNI) Speedup timer (added 24.01.14):
Hold Down + A on controller 2 then press Reset. Now, timer in game will be 2 times faster.

Taito Chase H.Q.

(GEN) Level select:
At the title screen, when "PRESS START" message appears, hold Down + A + B and press Start. The number "11", which represents a game level, will appear instead of a score. Press A or B to change this number and begin game play at the selected level.

(UNI) Instant Stage Complete (added 21.08.12):
During the game, press Down + A + B + Start on controller 2.

(BUR) GameGenie (added 21.08.12):
PESVVLAA-Re-enable the sound test cheat. At the title screen, hold A + B then press Start on controller 1, a letter and two-digit number will appear at the high score string. Letter represents the Voice, BGM and Effect as "V", "B" and "E" respectively. Press Up or Down to change music index, press A to play selected sound effect or music. By pressing Select you can switch between Siren and Engine background sounds, which is playing always. While playing Engine background sound, press Left or Right to increase or decrease Engine speed or if speed was zero, to start Brake sound. Press Start to toggle hi or low transmission sounds. Press B to exit sound test mode.
PESVSLAA-Re-enable pause mode in game.

(BUR) Hidden text (added 02.12.08):
Also there are some hidden copyright/date strings inside the ROM:
* shogaibutsu routine * Program by Mitsugi Shimizu
*target car & teki car * Program by Mitsugi Shimizu
DAIEI MANUFACTURING CO.,LTD.
N.Koshinaka
1989
1989/06/10


Taito Grand Prix - Eikou heno License

(UNI) Secret words (added 07.02.15):
Enter one of following words as a player name:
MAX502KM-Strongest car parameters.
Info from ReyVGM
........-This player name will trigger an additional cheat test. Before any race at the "START" position, press Start between second and third countdown signals (when only the first semaphore light is blue). Then on controller 2, press A once, B 9 times, A 8 times, B 7 times, A 10 times, B 9 times, A 28 times, and finally B 34 times. Unpause to play all races with no car collision detect and unlimited time. Note, that code denotes some date, 1987/10/9, thus which 28 and 34 may mean is unknown.

(UNI) Selft test (added 23.12.13):
Hold Up + Down + Left + Right on controller 2 then press Reset. The screen will remain blue until you press A on controller 1. Then simple WRAM test will be performed. If data isn't match (from $7F80 to $7FFF, first byte is $55, last is $AA, the rest is $00), then "NG" on the pink background will be displayed and held. If match, then "OK" will be displayed for a short time on the green background and game continues to boot as usual.

Taiyou no Shinden - Asteka 2, Tombs and Treasure

(UNI) Sound test:
Hold A + B on controller 1 and press Reset.

(GEN) Debug mode (added 22.02.10):
Start the game, then take all items on the table and exit the lab. Now enter the Nunnery just north in the the US version. In the Japanese version you start at different location and Nunnery is somewhere south-west. When in the Nunnery, take the Ixmol Jewel held by the statue, wash the Ixmol Jewel, put Sword, wash Lighter. Then you should see the message "Nothing has changed", now hold Select + Start and press A and the numbers "3 00" will appear. Hold B, press Up or Down to select an area, press Left to change to the new area and then Start to begin the new area. Press Up or Down for item select, press A to turn item "on" or "off" the new item and press Start to enable the changes. Additionally exit the debug menu by pressing Start, then highlight "PULL", hold Select + Start and press A. The number 64 should appear, then press Left or Right to switch between sounds and press Up to listen to it. Press Down to stop listening to the selected tune.
Source: nesworld.com

(BUR) Hidden text (added 10.02.15):
There are hidden version dates in both regional versions of the game at the end of the PRG ROM:
-880505-09
for the Japanese version, and
-891117-13
for the US version.

Taiyou no Yuusha Firebird

(BUR) GameGenie (added 11.02.15):
AENNENNY-Re-enables the developement stage invincibility.
INUKXYPO+KVUKUNOV-Replaces intro and title screen with simple test screen. Select number from $0 to $D with D-Pad, press B to play corresponding music track, press Start to watch cutscene with corresponding number or press Select + Start to start a new game from selected level. Note, there is only 4 levels in game, numbers above 3 will load only garbage.

(BUR) Hidden text (added 11.02.15):
The random generator in this game uses string
HIRO
as initial seed value.

Taiwan Mahjoing II

(UNI) Easter egg (added 07.04.10):
During game, during player's turn, press A, A, B, Right, A, Left, B, Down, A, Up on controller 2.

(BUR) Tile select (added 09.02.15):
The easter screen cheat seems was intended to enable the tile select mode as well, but this functionality were removed. To restore it back, during the game set RAM address $6D5 to any non-zero value.

Takahashi Meijin no Bouken Shima IV

(BUR) Debug mode:
Seems to be totally disabled. Variable depending: $70=$0C, $71=$00.
Source: BMF54123

Takahashi Meijin no Bugutte Honey

(FIX) Continue (added 23.12.13):
At the game over screen, hold any D-Pad buttons then press Start to continue from the last played level.

(BUR) GameGenie (added 23.12.13):
PAKGGYAA-Re-enables the debug mode. During the game press A on controller 2 to complete a level, press Select on controller 1 to skip to the next round, press Up on controller 2 to change current weapon, press Left on controller 2 to view the game ending, press Right on controller 2 to restart current level.

Takeda Shingen

(UNI) Cheats mode (added 27.12.14):
Start a game, and enter the main menu. There are 12 menu items. Each menu item has its index counting from left to right starting from top row, so upper-left menu item has index 0 and bottom-right menu item has index 11. Every time when you press A to enter the menu item and then press B to back to the menu, the menu item index is adding to the ring-buffer, so you could enter the code sequences like a button cheat codes just by entering and exitting various menu items. Enter and exit the menu items in one of the sequences from the table below, then press Start to apply the code. A sound and a corresponding message will confirm correct code entry. The sequence is resetting every time game switches to the next day. Note, that if you enter and exit to the menu item 1 ("Mines"), the game automatically jumps to the next day most of time, but there is game states, where you can enter and exit menu item 1 without switching the day, so to enter very first cheat code you must wait for this particular game state (ram address $04BC value should be $01).
1,1,1,1,1,1,1,1-"かくしきんざんを はっけん" ("Every mine is opened") Max out the mines counter in the current town.
9,11,9,11-"ばとるぱすもーどにはいりました" ("Battle pass mode enter") Skips the battle phase, all battles will be automatically played by CPUs and only the results table will be displayed.
0,9,5,9,10,9-"もーど 4にはいりました" ("Mode 4 enabled") Gives the ability for long-range shoot to the main character.
8,10,8,10-"ばとるぱすもーどはかいしょされました" ("Battle pass mode exit") Return back to normal battle mode.
8,5,2,0,5,10-"もーど 1にはいりました" ("Mode 1 enabled") In this mode, during battle, on controller 2, hold A before the end of the player's turn to loose the battle instantly, hold B to win the battle instead, or any other button to flee from battle.
0,4,8,9,10,6,2-"もーど 2にはいりました" ("Mode 2 enabled") Doubles the score at the end of the battle.
10,8,7,5,2,0-"もーど 3にはいりました" ("Mode 3 enabled") Gives an extra round in battle to the cpu controlled units.
3,3,6,11,11,7,0,8-"もーど99にはいりました" ("Mode 99 enabled") When all player's towns are defeated, the CPU will continue playing by itself instead of game over.
4,5,6,7,7,7-"もーど 5にはいりました" ("Mode 5 enabled") Gives an extra round in battle to player controlled units.

Takeshi no Chousenjou

(GEN) No-mic mode:
To play this game, you need an internal microphone sometimes to call for a help. Any time you shout to the microphone, the character answers "もしもし", like on the telephone. To switch this controls to the buttons, on controller 2, press Down + A to disable the mic controls, and then press A instead of shouting into the mic. To enable the mic control back, press Up + A on controller 2.

(GEN) Instant continue (added 12.02.15):
When you ran out of health, before the game over screen, quickly press A + B exactly three times. Instead of the game over screen, the healths will be refilled and you will continue to play from the same point.
Source: ReyVGM

(FIX) Warp to the last room (added 12.02.15):
At the title screen, press A 30720 times ($7800 in hex).
Source: ReyVGM

(GEN) Secret message (added 12.02.15):
In the ending, if you wait 5 minutes, Takeshi will tell you not to take this game so seriously.
Source: ReyVGM

Takeshi no Sengoku Fuuunji

(UNI) CPU controlled players (added 24.01.14):
Normally, all players are meant to be controlled by human. Start a new "SENGOKU GAME", when asked "How many players would you like?", choose the number of players, but before pressing A on controller 1, hold Up + Left + B on controller 2. You'll be asked for another question, "How many human players would you like?", so you can select from one to four human controlled players, the rest of the players will be CPU controlled.

(UNI) Watch mode (added 24.01.14):
Start a new "SENGOKU GAME", when asked "How many players would you like?", hold Down + Right + A + B on controller 2, then press A on controller 1. The new game selecting menu will appear. You can choose from 5 different games to watch. All of them will be played by four CPU controlled players.

Tantei Jinguuji Saburou - Toki no Sugiyuku Mama ni

(UNI) Ending sequence (added 25.01.14):
At the password entry screen, first enter the password "1028", when returned to the password entry screen again, enter the password "0905". The ending sequence will begin.

Target Renegade

(BUR) Developer's info (added 02.01.08):
This game uses for padding some info about developers.
TARGET RENEGADE
COPYRIGHT TAITO AMERICA CORP 1989
    PORGRAMMER   STEPHEN RUDDY
        ARTIST   MARK WILSON
      MUSICIAN   TIM FOLLIN
  SOFTWARE CREATIONS LTD
FIRST FLOOR    204 OXFORD ROAD
MANCHESTER    M1 5QA
GREAT BRITAIN
TEL 061 236 1154
FAX 061 236 8248
   ROLL US YOUR CAP GRANDAN


Tasac

(UNI) Invulnerability (added 10.04.10):
At the title screen, press Up, A, Left, B, Down, B, Right, A, B, B, A.

(BUR) Hidden text (added 02.03.15):
There are leftovers from what appears to be unfinished ending staff screen or copyright secret message in string library of this game:
   YEAR   1992
 MONTTH   JAN
PROGRAM   C C Y
 EDITOR   A A A
  MUSIC   B B B
          D D D
          E E E


Tashiro Masashi no Princess ga Ippai

(UNI) Extra 1800 health (added 25.01.14):
During the game, hold A + B on controller 2 and shout to the microphone on the controller 2. The message box with a boy shouting "Papa, go!" will appear. This trick work only once per level.

Tatakae!! Rahmen Man - Sakuretsu Choujin 102 Gei

(UNI) Secret passwords (added 25.01.14):
とおる-Continue?
ひろゆき-Continue?
かみや-Continue?
まにわ-Continue?

Tatakai no Banka, Trojan

(GEN) Continue:
At the title screen, after getting the game over screen, hold Up on any controller, then press Start.

Tecmo Bowl

(BUR) Blue Screen of Death:
A standard interrupt handler used in this game as an error handler while IRQ is disabled. The NMI routine when triggered checks the byte at the top of a stack for S bit set. This means any called routine is in ROM data range and do not running at low memory area. When it happens, handler triggered with blue screen of death.

(UNI) Password generator (added 06.08.08):
Play as:
Play with:
Played:Indianapolis
Miami
Cleveland
Denver
Seattle
Los Angeles
Washington
San Francisco
Dallas
New York
Chikago
Minnesota
Team select:
Password:


Tecmo Super Bowl

(GEN) Sound test:
At the title screen, hold B then press Left.

(UNI) Ingame hold and delay frames (added 06.03.15):
Any time during the starting logos or intro, before the title screen appears, press Down 7 times on controller 1. If done right, any time during the game now, hold Select and press A to hold the game or press B to slow down the framerate in 8 times.

(BUR) Blue Screen of Death:
The entry point is at the bank $1A at address $9A00.

(BUR) Hidden text (added 06.03.15):
The SRAM signature for this game is a word:
AKIHIKO


Tecmo World Cup Soccer

(UNI) Password generator (added 08.08.08):
Play as:
Play with:
Played:Brazil
W.Germany
Italy
Holland
Argentina
Soviet
Uruguay
Poland
England
Spain
Colombia
Scotland
France
USA
Korea
Japan
Team select:
Password Japan:
Password Europe:


Teenage Mutant Ninja Turtles II - The Arcade Game, Teenage Mutant Hero Turtles II - The Arcade Game, Teenage Mutant Ninja Turtles (Japan)

Japanese version:

(UNI) Extra 10 lives:
At the title screen, press Right, Right, Right, B, B, B, A, A, A, Start before the demonstration starts.

(UNI) Stage Select:
At the title screen, press Left, Left, Left, B, B, B, A, A, A, Start before the demonstration starts.

(UNI) Stage Select, extra 10 lives:
At the title screen, press Left, Right, B, B, B, A, A, A, Start before the demonstration starts.

US version:

(GEN) Extra 10 lives:
At the title screen, press Up, Right, Right, Down, Down, Down, Left, Left, Left, Left, B, A, Start before the demonstration starts.

(GEN) Stage Select:
At the title screen, press Down, Down, Down, Down, Down, Right, Right, Right, Right, Right, Right, Right, B, A, Start before the demonstration starts.

(GEN) Stage Select, extra 10 lives:
At the title screen, press B, A, B, A, Up, Down, B, A, Left, Right, B, A, Start before the demonstration starts.

All versions:

(BUR) GameGenie (added 13.03.15):
AIOINPYO (for the US version)
ASNSVAYO (for the Japanese version)
-Re-enables an extra cheat option at the "STAGE SELECT" menu. Additionally you can press Up or Down to change the starting stage position, press B to increase lives number to both players up to 50, or press Start to switch ON or OFF invincibility/maximum power mode.
XSUSZOES+TEUSPOVG (for the US version)
STNSIPSU+OINSTOES (for the Japanese version)
-Enter "STAGE SELECT" mode, then apply this codes to enable the CHR test. Seems there are only control routines left, there is no object position initialization or initial screen draw routines, you can change the CHR objects by pressing A or B, change "FILE" index by pressing Left or Right or select "BANK" number by pressing Up or Down. There is no proper CHR banks setup left either.

(BUR) Hidden text (added 13.03.15):
There are build dates present at the end of any regional versions of the game:
MAST900801
for the US version and the European versions
MAST900912
for the Japanese version.

Teenage Mutant Ninja Turtles III - The Manhattan Project, Teenage Mutant Ninja Turtles 2 - The Manhattan Project (Japan)

All versions:

(GEN) Auto mode:
At the player selection screen, press Down 5 times for one player game, or 10 times for 2 players game to enable "auto mode", which will automatically select a next turtle after the death, instead of manual selection.

(BUR) GameGenie (added 27.11.13):
AENYENIG-Enables a few simple debugging features:
Press any button to skip the copyright text.
On the title screen, hold any direction and press Start to activate the hidden options menu (normally activated with a button code) for the US version.
Lives can be set to "infinite" in the options menu.
AENYKNPL-Even more debug functions. During the game, press Start to pause it, then press Up or Down to cycle between debug modes. The letter at the bottom left corner will display the current debug mode.
" " means normal operation.
"S" means Level View mode. Press A then use the D-Pad buttons to scroll the current level. Press Start to return back to the game at the selected position.
"P" means Object View mode. Press A then use Up or Down to select any sprite instead of the main character. Press B to reset the sprite index to 00.
"F" means the Tile View mode. Press A then press Up or Down to change current CHR bank, press A to draw on the screen the full CHR bank and change between two drawing modes: linear tiles mode and combined 16x16 metatiles mode. Press B to switch the CHR swap flag.
Source: BMF54123, dragon2snow

US version:

(FIX) Cheat menu:
At the title screen, press Up, Up, Down, Down, Left, Right, Left, Right, A, B, Start before the demonstration starts.

(BUR) GameGenie (added 11.07.10):
PEVNNYAA-Surpisingly the US version of that game contains almost fully functional Japanese version. Using this GameGenie code you can switch the US version into JP mode. The same US title screen left, but number "2" appears at the center of the screen like in Japanese one. And there is no Japanese font in CHR data, so all Japanese text on cut scenes are unreadable.

Japanese version:

(FIX) Stage Select menu:
Press Down, Down, Up, Up, Right, Left, Right, Left, A, B, Start on the title screen before demonstration starts.

(FIX) License Screen:
Press Up, Up, Down, Down, Left, Right, Left, Right, B, A, Start on the title screen before demonstration starts.

(FIX) Continue Select menu:
Press A, B, Right, Left, Right, Left, Down, Down, Up, Up, Start on the title screen before demonstration starts.

(BUR) GameGenie (added 11.07.10):
AEVNNYPA-Surpisingly the Japanese version of that game contain almost full functional the US version too. Using this GameGenie code you can switch the Japanese version into the US mode. Title game much glitched than the US one in the Japanese mode, and number "2" missed on the screen. All Japanese text turns into English one without any problems with font.

Teenage Mutant Ninja Turtles - Tournament Fighters

(UNI) Player 2 match skip (added 14.03.15):
The second player can instantly stop the current battle either in "STORY" or "VS CPU" modes and jump directly to the player select screen of the "VS PLAYER" mode just by press Start on controller 2. However, this doesn't work in "BONUS GAME" while in "STORY" mode. To do this trick in any modes, including "BONUS GAME", press Up + A + B on controller 2 instead.

Tekken 2

(UNI) JY company's Easter egg:
Press Up, Right, Up, Right, Right, Right, Up, Left at the title screen.

Tenchi wo Kurau II - Shokatsu Koumei Den

(FIX) Secret words:
At the name entry screen, press Up, Up, Up, Up, Right, Right, Down, Down, Down, Down, Down, Down, Down, Down, Left then enter any of the following wors as a player name. You'll start at Level 0 though.
えすやま-Chapter 1
みやざき-Chapter 2
おおしの-Chapter 3
ばんどう-Chapter 4
こみぐ-Chapter 5
たけなか-Chapter 6
Source: ReyVGM

Tenka no Goikenban - Mito Koumon

(BUR) GameGenie (added 27.01.14):
NNSYEYAE-Re-enables simple debug mode. At the map screen press Select to start with any level, hold Down then press Start to start a new game with extra 50 of each item added.

Tenkaichi Bushi - Keru Naguuru

(FIX) Secret passwords (added 15.01.14):
とおますないと-Credits
ちず-See the world map
Source: ReyVGM

Terminator 2 - Judgment Day

(BUR) Hidden text (added 02.12.08):
This game using for padding some info about developers.
  TERMINATOR 2.
  COPYRIGHT 1990 SOFTWARE CREATIONS LTD.
! PROGRAMMER   STEPHEN RUDDY.
! SOFTWARE CREATIONS LTD.
  FIRST FLOOR      204 OXFORD ROAD
  MANCHESTER      M1 5QA
  GREAT BRITAIN
  TEL 061 236 1154
  FAX 061 236 8248
     WIGAN RUGBY LEAGUE FOOTBALL CLUB


Terminator, The

(UNI) Infinite lives and level skip (added 27.01.14):
During the game, on controller 2 press B, B, Up, Left, A. A sound will confirm correct code entry. From now you will have an infinite lives and can skip current level by pressing Start on controller 1.

Terra Cresta

(BUR) GameGenie (added 25.03.15):
GAKETSGK (for the Japanese version)
GAKELSGK (for the US version)
-Re-enables the debug leftover cheats. For all version, at the "DESIGN" mode, hold A and press Select to enable weak invulnerability, only for main ship, all powerups will be removed if hit detected, press Start to enable full invincibility including keeping powerups, press Up to enable infinite lives instead, press Select to switch off all effects. Additionally for the US version, press Select during the game to instantly loose a life, while invulnerable.

Tetrastar - The Fighter

(UNI) Cheat menu:
At the title screen, hold A + B and press Start to the "Sound" option.
Set "00" sound index and press Down to enable "Sampling" mode, allows you to play digital samples.
Set "65" sound index and "02" sampling index and press Down to enable "rest" option, allows you to increase life number up to 9.
Set "68" sound index, "0B" sampling index, "09" rest index and press Down to enable "Phoenix" option, allows you to enable/disable full invulnerability.
By pressing Right change repeatedly "phoenix" option until it stops changing in "on" position, then press Left two times to switch to "off" and "on" position again, then hold Select and press Down to enable "stage" and "visual" options, allows you to select game level or play cut scene.

Tetris (Nintendo)

(UNI) Soft reset (added 26.03.15):
During the game only, press A + B + Select + Start to reset the game back to the copyright logo and the title screen.

(GEN) Higher levels (added 26.03.15):
At the level selection screen in any mode, select a desired level, then hold A and press Start. The level number will be increased by 10.

(BUR) GameGenie:
ZAUAPPPA-Activates unfinished two-player competitive mode.
Source: tcrf.net

Tetris (Tengen)

Console version:

(GEN) Increase game level:
Pause the game, press Up, Down, Up, Down, Left, Right, B, B, A, then press A up to 17 times.

(FIX) Free `stick` block:
Pause the game, press Down, Down, Left, Right, Left, Right, B, A. Works once per game.

(GEN) Remove block:
Pause the game, press Left, Down, Right, Up, Left, Down, Right, B, A. Works once per game.

Arcade version:

(UNI) Hi-score clear (added 27.01.14):
At the title screen, press Up + Down + A + B + Select at the same time, you can combine the different buttons on both controllers, just press at least one of that buttons on any controller.

(UNI) Hi-score view (added 27.01.14):
At the title screen, press B, A, B, A, Select, Select on any controller.

(BUR) GameGenie (added 28.01.14):
GASUAILA-Enables the fourth game mode - 1 Player cooperative with CPU controlled second player. The cursor screen coordinates for the fourth option at the title menu are incorrect, but selection is working anyway.
TEUUGKXL+KUUUIGUL-Replaces the level select mode with unused handicap select mode, which is present otherwise in the Console version in rather simplified version. This particular screen have little misplaced cursor position, but options works fine, also on this screen a different copyright text is present, not seen anywhere in this game otherwise.

Tetris 2, Tetris Flash

(BUR) GameGenie (added 26.02.10):
GAUKLVZE-Re-enables the CHR test mode.
IAUKLVZE-Re-enables the Sound test mode.
Source: hybrid

Tetris 2 + Bombliss

(GEN) SRAM clear (added 15.01.13):
At the "Select Player" screen, enter the "Eliminate Name" menu. Highlight "Exit", hold Down + A + B on controller 2 and press Start on controller 1. If done right, you'll have the option to delete all the save files at once. As a side effect, if you do so, press B at the "Select Player" screen to go back to the title screen and select "2 Players". While playing, all the blocks will be Line Blocks.
Source: ReyVGM

(BUR) GameGenie (added 27.03.15):
POKLXEYA-Re-enables debug features. Use this code, then do the SRAM clear cheat as described above to enable debug mode. At the title screen, while selecting the players number, hold Up on controller 2 and press A or Start on controller 1 to enter the Sound Test mode (there is no display at all, use Select or Start to play music, A and D-Pad on controller 1 to play sound effects, press B to exit back to the game), or hold Down on controller 2 and press A or Start to see the final credits. Also, at the main game mode selection menu, select any Tetris 2 game types. While selecting the game level, hold Select on controller 1 to select level above 20 up to 29, or hold Down on controller 2 and press Start or A on controller 1 to switch the game to the penta patterns instead tetra ones. Or select the Bombliss contest mode and while selecting the stage number, hold Select on controller 1 to allow selection of any level above 3. Hold Select on controller 1 and press Start to play different patterns for the same levels in contest mode.

(BUR) Hidden text (added 27.03.15):
The ROM contains some hidden developer's credits in first bank:
Program    by
  Togo   Narita.
Graphics design
   by   Satoshi
 Fudaba.

Source: tcrf.net

Tetsudou Ou - Famicom Boardgame

(UNI) Instant game over (added 28.01.14):
During the game, press Left + Select on controller 1, then press A to over the game, or B to continue the game.

Tetsuwan Atom

(BUR) Hidden text (added 05.11.08):
There are some hidden copyright strings inside the ROM:
COPYRIGHT 1988 HOMEDATA ALL RIGHTS RESERVED           madokakina!
(C)1988 HOME DATA
(C)1988 HOME DATASION


Thexder

(UNI) Credits (added 31.10.08):
At the title screen, press Up, Right, Down, Left, Up, Right, Down, Left, Up, Left, Down, Right, Up, Right, Down, Left, Up, Right, Down, Left, Up, Right, Down, Left, Up on controller 1, but when entering code sequence do not release previous pressed button before next one is not pressed. For example: hold Up, hold Right, release Up, hold Down, release Right and so on.

(GEN) Infinite energy (added 16.01.14):
Power the console on, then on controller 1 hold Up + A, press Reset, release the buttons, hold Up + B, press Reset, release the buttons, hold Down + A, press Reset, release the buttons, hold Down + B, press Reset, release the buttons, hold Left, press Reset, release the buttons, hold Right, press Reset, release the buttons, and finally hold Select then press Reset.
Source: ReyVGM

(UNI) Ending sequence (added 16.01.14):
Power the console on, then on controller 1 hold Left + A, press Reset, release the buttons, hold Right + A, press Reset, release the buttons, hold Up + A, press Reset, release the buttons, hold Down + A, press Reset, and finally hold Start then press Reset.

Thomas the Tank Engine and Friends (Prototype)

(UNI) Soft reset (added 28.03.15):
Any time during the game press A + B + Select + Start.

Thunder Warrior (Micro Genius)

(UNI) Extra 6 lives (added 28.01.14):
At the "TXC" copyright screen, press Select up to 6 times to get up to 6 lives at the game start. There was another cheat, if you press Select at least one time, you can press the D-Pad buttons to increase or decrease the starting level number, but instead all values are reinitialising later and doesn't effect the starting level.

Thunderbirds

(FIX) Configuration menu:
Hold Up + Left and press Reset. While screen is blank press A, B, Select.

(GEN) Level skip:
Pause the game then press Up + Left + A + B + Select and then unpause the game.

(UNI) Frame advance mode (added 16.01.14):
Any time during the game, hold B + Select to stop game operation. Press any other button for a short time to advance frame by frame.

Thunderbolt 2 - Fighting Plane (Game Tech, Open Corp.)

(UNI) Extra 10 lives (added 01.04.15):
At the starting title animation, before the title screen appears, quickly press Left, A, Right, B, Up, Select, Down, Start and start a new game. The code checking routine only check for the correct button pressings and ignores the wrong ones, so you can enter this code just by quickly mashing all buttons a couple of times before the title appears and press Start. This cheat can be performed in different way. At the game over screen, press A + B + Select, then continue the game.

(BUR) GameGenie (added 01.04.15):
OGVVLPTE+KYVVGPEA-Re-enables the debug demo handler. In the final version, there is no level index switch for the demo sequence and only the level 1 has an actual demo input data. The debug version has option to switch stages during the demonstration seqence, but has test data for demo input, and after all it will fail at the third level and got the game over screen.
TPNVTOAO-One od the unused routines to display some debug information on screen during game play.

Thundercade

(UNI) Test menu (added 01.05.15):
Power the the game on, wait for the demonstration starts, press A to skip it or wait until it finishes. Repeat this 4 times. After the fourth demo level, don't touch any buttons and wait until the title name will scroll down up, stand still and a "blinking" animation will follow on the title name from left to right. Here is a question of timing now, you must press A button exactly the same time as the "blinking" animation starts, but before it passed the "T" letter of the name. If done in the right moment, the Debug menu will appear. The first and the second options does nothing. Select any of the remaining options, press Start, then select a number and press Start again to start a desired level or hear the sounds.

(GEN) Secret ending (added 01.05.15):
After completing the game, wait for a hour at the ending animation screen to see the secret ending animation and programmer's message.

(BUR) GameGenie (added 01.05.15):
XVXGNPAV-Re-enables the "NO HIT GAME" option in "TEST MENU". Press Start, select a desired level and press Start to play with full invulnerability. Also in this mode, press Select to explode all explodable objects on the screen instantly.

Tiger-Heli

(GEN) Continue:
At the game over screen, hold A + B.

Time Diver Eon Man (Prototype), Time Diver Avenger (Nitra)

(UNI) Invulnerability (added 02.04.15):
At the title screen, when message "PUSH START BUTTON" appears, press B, A, Right, Left, Right, Left, Down, Up, B, A, Right, Left, Right, Left, Down, Up, B, A, Right, Left, Right, Left, Down, Up, B, A, Right, Left, Right, Left, Down, Up. A sound will confirm correct code entry. From now, you'll be invulnerable for regular attack and enemies, but still able to die on the spikes or energy beams on the floor.

(UNI) Stage select (added 02.04.15):
During the game, press Start to pause it, then enter A, B, Right, Down, Left, Up, Right, B, A, B, Right, Down, Left, Up, Right, B, A, B, Right, Down, Left, Up, Right, B, A, B, Right, Down, Left, Up, Right, B. A sound will confirm correct code entry. Now, press Up or Down to select one of 31 available levels and press Start to start to play.

Time Zone

(UNI) Extra 30 lives (added 28.01.14):
Hold A + B on controller 2, then press Reset. Then just start a new game.

Tiny Toon Adventures

All versions:

(GEN) Contrioller 2 input (added 02.04.15):
Althought the game is only for 1 player, you can play either with any of controllers, just press Start at the title screen on corresponding controller to play the game with. Anyway, you sill couldn't use the second controller to enther the title screen cheat codes.

(FIX) Extra 3 lives (added 03.01.08):
Collect number of carrots divisible by 11 but with odd multiplier, e.g. 11, 33, 55, 77... etc. When you return to map screen Duck Vader will catch you. Defeat him and you'll obtain extra 3 lives.

(UNI) Stage select (added 03.01.08):
At the title screen, press A, A, A, B, B, B, Select, Select, Select, A, Start. Choose level by pressing Up or Down then press Start.

(BUR) Hidden text (added 02.04.15):
The is a hidden build data at the end of the ROM:
MAST910809


Japanese version:

(UNI) Stage select and no damage (added 03.01.08):
At the title screen, press Up, Right, Down, Left, Up, Right, Down, Left, B, A, Select, Select, Select, Start. This cheat is identical to the regular one for the Stage select with additional option to switch "NO DAMAGE" modes or and off by pressing Select on the Stage select screen.

US version:

(BUR) GameGenie (added 03.01.08):
OESGKTPA-The "Player no damage" mode disabled in the US version, but it is possible to enable it with this code. Then just enter cheat for the "Stage select" mode.

Tiny Toon Adventures 2 - Montana Land e Youkoso, Tiny Toon Adventures 2 - Trouble in Wackyland

Japanese version:

(BUR) GameGenie (added 03.01.08):
ZIKGUSPG+LAXGNIIA-After applying this code, "Stage select and no damage" mode will be available right after the copyright screen. Press Up or Down to switch stage number, Left or Right to switch sublevel (if any) and B for switching "no damage mode" on or off. Note: some stages haven't sublevels, but cheat screen allows you to enter the sublevel number for these stages, this causes the stages to crash. In the US version cheat is totally removed.

Tiny Toon Adventures 6

(UNI) JY company's Easter egg and secret Password screen:
At the title screen, press Down, Down, Left, Up, Right, Left, Up, Down. You can enter one of following passwords to access another levels: 2418, 7449, 3065, 8914, 3185.

(UNI) Debug leftovers (added 03.04.15):
During the game, press A or B on controller 2 to disable objects handling. All sprites, including the main character will disappear.

Tiny Toon Adventures Cartoon Workshop

(UNI) Hidden credits (added 03.04.15):
At the title screen, press Up, Down, Left, Right.

(BUR) Hidden text (added 02.11.08):
Game ROM contains hidden copyright text:
Tiny Toon Adventures TM Cartoon Workshop TM
     TM AND (C) 1992 KONAMI CO., LTD.
    Cartoon Workshop TM V1.00 (920817)
  (C) 1992 NOVOTRADE INTERNATIONAL, INC.


Titan

(UNI) Suicide (added 04.04.15):
During the game, press A + B on controller 2 to commit suicide.

(UNI) Sound test:
Hold Down + A + B + Select + Start on controller 1, then press Reset.

(UNI) Extra 15 lives and Level 80:
Hold Down + A + B + Select + Start on controller 1 and A + B on controller 2 simultaneously, then press Reset and release all buttons. Beat the secret final round to obtain a secret password in addition to the regular one and see the ending.

(UNI) Extra 15 lives and Level 80 and level skip (added 04.04.15):
Do previous cheat, while still holding buttons on controller 2, release buttons on controller 1 and use it to enter sequence A, A, A, B, B, B, A, A, A, then press any other button to complete the sequence. During the game press Down + A + B + Select + Start on controller 1 to instantly win current round and see the ending.

(GEN) Secret passwords:
L1FEGAME-Unlockable password given to you after beating the final 80th round. You can play a mini-game of life.

Titan Warriors (Prototype)

(BUR) GameGenie (added 28.01.14):
NNVGPTAE-Re-enables some debug leftovers, all flag combined disables the enemies on the levels, any stage collisions and event triggers, so you will just fly through levels infinitely. Also this enables some variables display, but fonts are replaced with sprite graphics, so they can't be seen now.

TM Network - Live in Power Bowl

(GEN) Good ending (added 06.04.15):
In order to get the good ending, you must press Start when the countdown timer reaches 00. Pressning this button any other time or not pressing it lead to the bad ending.

(UNI) Sound test (added 06.04.15):
Start a new game, at the begining on the 5F in the record studio, investigate PC in the middle of the room, then enter left door. Investigate a red poster, newspaper on the right and mixer. Leave this room, use MUE access on PC, go to the left room again, use MUE on mixer and telephone. Now you can leave the room. Go to 1F in the lobby and ask the girl the second option twice and the third option once. When return back to 5F, wait for conversation is over, use MUE access on PC again. A music will be changed, skip first four dialog messages from Kine, Usi, Komuro and from the player's character. There will be a pause for about 6-5 seconds with blank dialog window before the next portion of conversations. During this pause, hold Select for a second or two to switch the game to the sound test mode. Now hold Up/Down to increase/decrease music speed, press Left or Right to play some sound effects. Hold Start, press B, A, B, A, then release Start to change the music track. Repeat this up to 11 times to listen all available tracks. After listening the last music track, or if either A, B or Select are pressed, the game will continue.

(BUR) GameGenie (added 06.04.15):
SAKKGOXV+SPKKIOXV+LAKKTOXT-Re-enables the game debugging option. Right after the power on, press A + B to enable ingame debug. Now, during the game, at the bottom-right corner of the screen will be displayed a cursor position. The cursor now will blink faster when hover above the active zones. Any time during the game, hold Start and press Up/Down to select game's scripts, including the test ones. Also any time the new script is started, its name will be displayed at the bottom-right corner of the screen.

Toki no Tabibito

(GEN) Location select (added 16.01.14):
At the title screen, hold A + B then press Start. During the game, press Select to make two digit appear. Available locations are from $00 to $38, the rest is just glitches.

Tokoro San no Mamoru mo Semeru mo

(UNI) Level select and Invincibility:
At the title screen, press Up, Down, Down, B, Right, A, Left, then hold B and press A up to 14 times to select a level or press A + Start for invincibility.

Tom & Jerry and Tuffy

(GEN) Infinite lives:
At the title screen, with "Tom & Jerry (and Tuffy)" title, press Right, Right, Up, Left, Up, Right, Down, B, A, Select. A sound will confirm correct code entry.

(GEN) Soft reset:
Press A + B + Select + Start.

Toobin'

(UNI) Level skip (added 28.01.14):
During the game, press Start to pause it. Press A + B + Select once, Up + A + B once, and Left + A + Start once in any order. If done right, on pause you can press Select to skip to the next river, or press Up to skip to the next class.

Top Gun - Dual Fighters, Top Gun - The Second Mission

(GEN) Extra 3 planes:
When the light spot shows up parts of the title screen, but before the cutscene starts, press Up, Up, Down, Down, Left, Right, Left, Right, B, A, Start on controller 2 (on controller 1 for the European version). A sound will confirm correct code entry. Whenever you reach 20000 points, you will be rewarded with three extra planes instead one.

(BUR) GameGenie (added 06.07.08):
XTKLLIAV (for the European version)
XTOUYIAV (for the US version)
XTEUZIAV (for the Japanese version)
-Enables a stage select and invulnerability cheats.
At the title screen, hold A or B or both on controller 1, then press Start to get the invulnerability or stage select or both accordingly.
Additionally in the European version hold A on controller 2, then press Start on controller 1 to enable "congratulations" screen instead of the game over screen.
ZLETETLG (for the European version)-Enables a game ending cheat.
At the title screen, press A + B + Start on controller 1.

(BUR) Hidden text (added 07.04.15):
There are hidden build date and version string in every regionsl version of this game:
M0.1910617
for the US version
0002890810
for the Japanese version
0003890816
for the European version.

Top Rider

(UNI) Change controls (added 09.03.11):
Normally game works only with a special controller "Top Rider". You can only select the menu items with normal controller. At the title screen, press A, B, Right, Down, Left, Up, Right, B, A on controller 2. The game will start immediately. From now you can control the bike with normal controllers instead of "Top Rider" special controller.

(UNI) Secret names (added 07.04.15):
Enter one of this names in GRANPRIX mode.
TAKUAN-WORLD CHAMPIONSHIP R1 GRAN PRIX YUGOSLAVIA
MISOZUKE-WORLD CHAMPIONSHIP R5 GRAN PRIZ SWEDEN
MOMIMAN-Disable obstacle collision detection, the road still slow down the speed.
TONBURI-Black and White mode.
YATUHASI-Slowdown mode.

Touch Down Fever

(UNI) Formation debug (added 29.01.14):
During the game, when in formation select mode, press Select to pause the game, then hold Select on controller 1, while holding this button, press B on controller 2 to toggle the formation index display on and off.

(UNI) Sound test (added 29.01.14):
After completing the game, when the staff roll is over, at the "PRESENTED BY KAC" screen press Up, Down, A, B, Left, Right, B, A, Select, Start. Now press Up or Down to select a music track, press A or B to start or stop playing accordingly.

Touhou Kenbun Roku

(GEN) Black & White mode (added 16.01.14):
Any time during the game, hold Up + B on controller 2.
Source: ReyVGM

(UNI) Sound test (added 22.12.12):
Hold A on controller 2, then press Reset.
Source: tcrf.net

(UNI) Ending sequence (added 08.04.15):
Hold B on controller 2, then press Reset.

Toukon Club

(UNI) Secret passwords (added 08.04.15):
3708-4871-Training mode.

(BUR) Test menu:
There are some development stage leftover, a debug menu text. There is no code to render it all.
 TEST MENU
CHR BANK DSP
OBJ DSP CHK
VS WIN
PASS WORD
WAZA CHK
SOUND CHK
STRIG WIND
DEVIDE


Tokyo Pachi Slot Adventure

(UNI) Permanent luck (added 09.04.15):
During the game, select any slot machine, insert 3 coins and before press Down to run the slots, hold A + B + Select + Start. You'll always be winner.

(UNI) Secret passwords (added 29.01.14):
のすけはねている-Continue from previously played game if you don't press Reset.

Toy Story

(UNI) Stage select:
At the title screen, press A + B + Select on controller 1.

(BUR) GameGenie:
EVUEIAEG-Re-enables a test menu screen similar to other debug menus of this developer.
Just press Reset. Right before the test menu, a small copyright screen with text "FC SYSTEM" will appear and a message "LIBRARY READY!" will flash for a couple of seconds. Under the "(C) COPYRIGHTS" string there is another sting, but it is painter the same color as background, so it's invisible: "EI-HOW YANG".

Tower of Druaga, The

(GEN) Another Druaga:
At the title screen, press Up, Up, Up, Up, Up, Up, Left, Left, Left, Left, Right, Right, Right, the title will turn green to confirm correct code entry. This cheat is unlockable after beating the game on the normal difficulty. If you beat "Another Druaga", you'll see different staff roll and congratulation message.

(UNI) Items and max level select (added 09.04.15):
Normally, the game allows you to select any stage to continue from the first one to the last where you died. But, if at the title screen, you press Up, Down, Left, Right, Down, Up, Right, Left, Left, Right, Down, Up, Right, Left, Up, Down and before pressing the last button, hold A on controller 1 and Left + B on controller 2 at the same time, then enter the "CONTINUE" option, you can not only select any level to play, but you can get any of possible items. There are two ways to add an item to your pocket: at the "FLOOR" select screen or during the game. In the first case, press Up or Down on controller 1 to change the floor number as well as the corresponding item number. In the second case, during the game press Up or Down on controller 2 to change the item number as well, but this time there is no indication what item you currently selecting. In both cases, press A or B on controller 2 to put or remove a corresponding item. If you press A on controller 2 at index 60, all possible items will be added at once.

(GEN) Special item cheats (added 09.04.15):
During the normal game, you should collect a specific items. Each level has its own unique condition to obtain this items. There are three levels and three corresponding special items, that may be obtained only via special button sequence code, entered on controller 1 while on the level. There is the list:
Level 22-Right, Right, Right, Right, Right, Right, Right, Left, Right, Right, Right, Right, Right, Right, Right-Sap drink.
Level 29-Up, Right, Down, Left, Up, Right, Down, Left, Up, Right, Down, Left-Gold pickaxe.
Level 39-Up, Up, Down, Down, Down, Down, Down-Red ring.

(BUR) GameGenie (added 09.04.15):
XTOAOAAV-Re-enables the item select number display. If item select is enabled with cheat described above, then two numbers will appear at the bottom-right corner of the screen, representing the current selected item and its status (0 - no item, 1 - item available). Also the second number will show the sword status.

(BUR) Hidden text (added 27.11.08):
The RESET routine in this game uses string
YAMAMO
to check if game was soft or hard reset. Also the ROM contains a generic Namco copyrights:
COPYRIGHT 1984 1985 NAMCO LTD


Toxic Crusaders

(UNI) Easter egg 1 (added 10.04.15):
At the Level 2, before the full moon rise, press Up + A + B on controller 2 to turn the moon on the backroung to the red color.

(UNI) Easter egg 2 (added 10.04.15):
During the third level boss Bonehead fight, on controller 2, press Up, Right, Down, Left, Up, Right, Down, Left to make a burger item to fall down. Unfortunately, it's impossible to pick this item up, so it will disappear after a while.

(FIX) Secret passwords (added 10.04.15):
There are 4 different possible passwords for each level selected randomly, but with two exceptions, the game doesn't tell you the passwords for levels 1 and 6. However, the passwords for these two levels are exists and there are only two for each, other two are filled with wrong character and cannot be used in random password generation at the end of the level, so this four passwords render secret for sure.
7969, 1061-Level 1
7871, 3276, 9562, 2258-Level 2
4092, 5401, 7525, 0263-Level 3
6971, 5080, 8956, 3815-Level 4
7011, 4843, 8698, 8248-Level 5
6154, 9182-Level 6

(BUR) GameGenie:
EESNEYAA-Re-enable a debug leftovers. After the game RESET a debug menu will appear, where you can test some game parameters. Additionally, during the game, on controller 2, hold A, then press B to add more weapons or press Down to skip level, press Left to switch the invulnerability on or off.

Treasure Master

(GEN) Secret passwords:
3HDJL9DNQV2WYTV4S91RXR86-Secret world 1
xxxxxxxxxxxxxxxxxxxxxxxx-Secret world 2 (password still unknown, ask Ste Ruddy!)

(BUR) Hidden text (added 02.11.08):
This game using for padding some info about developers.
TREASURE THINGYS.
COPYRIGHT 1990 SOFTWARE CREATIONS LTD.
! PROGRAMMER   STEPHEN RUDDY.
! ARTIST   CRAIG HOUSTON.
! MUSICIAN   TIM FOLLIN.
! SOFTWARE CREATIONS LTD.
 FIRST FLOOR      204 OXFORD ROAD
  MANCHESTER      M1 5QA
  GREAT BRITAIN
  TEL 061 236 1154
  FAX 061 236 8248
     WIGAN RUGBY LEAGUE FOOTBALL CLUB


Trolls on Treasure Island

(UNI) Level skip (added 29.01.14):
During the game, press Up + Down on controller 1 or controller 2 to instantly complete current level.

Tsuppari Wars

(UNI) Secret map (added 29.01.14):
At the Sammy logo screen, hold A + B on controller 2 and eaither A + Start or B + Select on controller 1 at the same time. A sound will confirm correct code entry. Now, select the second game mode from the title menu. You'll be able to select 8th, the secret map. Also, if B + Select is pressed on controller 1, during the first game mode, at the end of your move the cheat will alter some of your parameters, which appears to be zero at that time in range 1 to 7 randomly.

Tsuri Kichi Sanpei - Blue Marlin Hen

(UNI) Secret words:
Start the game and reach the map mode. While moving cursor upon the grid with the letters, press A on the letters in particular order to choose one of cheats described below. The buttons are added into internal buffer up to 8 letters. All secret sequences are shorter than 8 letters, the rest of string is filled with zeroes. If you missing something, you can clear buffer by pressing A off the grid, then start again if total count of pressings is divisible by 8. After entering one of the words, just press Start. Note: you can enter only one word at the time, for another cheat you should reset the console.
OWARI-Ending Sequence.
YUSYO-"Famicom International Billfish Tournament 1988" instant win, then ending sequence.
ZANNEN-"Famicom International Billfish Tournament 1988" instant fail.
SPEED-Increase timer a lot.
DEBUG-Fish area data is replacing with the complete grid of various fishing points, which can be used for debugging of various fish catch on the fishing area depending only from fishing point.

Tsuru Pika Hagemaru - Mezase! Tsuru Seko no Akashi

(UNI) Ending sequence (added 15.04.15):
Start a new game, during the initro screen hold Up + A + B on controller 2 and wait until it's over. After intro, the game will jump directly to the final game chapter. Check your house, then go to the building in the bottom-right corner to see the ending sequence.

(UNI) Sound test (added 15.04.15):
During the game, at the polar bear quiz or at the final boss battle then the girl is singing, while the game is awaiting for the player's input, on controller 2, hold A + B and press Up or Down to listen to the music, press Left or Right to listen to the sound effects. There are two more buttons is used, A and B increasing some variables, but they are unused in this game now, so must be this whole routine is a debug leftover.

TwinBee

(FIX) Extra 5 lives for 2 players (added 16.01.14):
Start a 2 players mode, then at the stage and rest display screen, on controller 2, hold B and quickly press all D-Pad buttons at least once in any order, just mash the D-Pad buttons for a short time.
Source: ReyVGM

(FIX) Extra 10 lives for 1 player (added 16.01.14):
Start a 1 player mode, then at the stage and rest display screen, on controller 1, hold Up + Right + A for a short time.
Source: ReyVGM

(BUR) Hidden text (added 16.04.15):
There are an ID, version and a build date text at the start of the ROM:
RC807
1.0
850328


TwinBee 3 - Poko Poko Dai Maou

(UNI) Music test (added 10.11.07):
At the title menu, select "SETTINGS" ("せってい") then hold Up + Left on controller 2 and press Start on controller 1. Continue holding buttons on controller 2 until the Music Test screen appears.

 

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