Mostly Unpublished Cheats ;)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.

  Abarenbou Tengu, Zombie Nation
  Adventures of Dino Riki, The, Shin Jinrui - The New Type
  Adventures of Lolo (J), Adventures of Lolo 2 (U)
  After Burner, After Burner II
  Akumajou Densetsu, Castlevania III - Dracula's Curse
  Arkanoid (J)
  Bad Dudes (U), Bad Dudes vs Dragon Ninja, Dragon Ninja
  Battle Formula, Super Spy Hunter
  Battletoads & Double Dragon - The Ultimate Team
  Blue Shadow, Kage, Shadow of the Ninja
  Bomberman II, Dynablaster
  Captain Skyhawk
  Chiki Chiki Machine Mou Race, Wacky Races
  Commando, Senjou no Ookami
  Crystalis, God Slayer - Haruka Tenkuu no Sonata
  Dash Galaxy in the Alien Asylum
  Demon Sword, Fudou Myouou Den
  Destination Earthstar
  Dirty Harry
  Dragon Spirit - Aratanaru Densetsu, Dragon Spirit - The New Legend
  Dynowarz - Destruction of Spondylus
  F-117A Stealth Fighter
  Family Computer - Othello, Othello (U)
  Family Pinball, Rock 'n' Ball
  Faria - A World of Mystery and Danger!, Faria (J)
  Ghosts'n Goblins, Makai-Mura
  Godzilla - Monster of Monsters!, Godzilla (J)
  Gradius (J)
  Gun Sight, Laser Invasion
  Gun-Dec, Vice - Project Doom
  Gun.Smoke
  Heavy Barrel
  Heavy Shreddin'
  Hunt for Red October, The
  Ikari (J), Ikari Warriors
  Ikari II - Dogosoken, Ikari Warriors II - Victory Road
  Image Fight
  Infiltrator
  Jackie Chan (J), Jackie Chan's Action Kung Fu
  James Bond Jr
  Jurassic Park
  Kage no Densetsu, Legend of Kage, The
  Kaiketsu Yanchamaru (J), Kid Niki - Radical Ninja
  Knight Rider
  Kung-Fu Heroes, Super Chinese (J)
  Lifeforce, Salamander
  Little Ninja Brothers, Super Chinese 2 - Dragon Kid
  Lode Runner
  Low G Man
  Mad Max
  Magician
  Mega Man 2, Rockman 2 - Dr. Wily no Nazo
  MiG 29 - Soviet Fighter
  Mike Tyson's Punch-Out!!, Punch-Out!!
  NARC
  Nekketsu Kakutou Densetsu
  Ninja Gaiden (U), Ninja Ryukenden (J), Shadow Warriors
  Power Blade (U), Power Blazer
  Probotector II - Return of the Evil Forces, Super C, Super Contra (J)
  Punisher, The
  Rad Racer 2
  Rush'n Attack
  Silver Surfer
  Sky Kid, Super Sky Kid
  Smash T.V.
  Star Soldier
  Star Wars - The Empire Strikes Back
  Summer Carnival '92 - Recca
  Sword Master
  Teenage Mutant Ninja Turtles II - The Arcade Game (J), Teenage Mutant Ninja Turtles III - The Manhattan Project (U)
  Tetris (Unl)
  Thunderbirds
  Tiny Toon Adventures (U)
  Zanac

Summary:
fixed generic cheats-102
totally games-74

Abarenbou Tengu, Zombie Nation

Japan version:

(FIX) Sound test:
Press and hold Up + A + B at the copyright screen on first controller and wait for the next screen. Japanese version haven't the copyright screen at the game start, so you must hold that buttons before the reset or power up the console.

Adventures of Dino Riki, The, Shin Jinrui - The New Type

English versions:

(FIX) Continue:
At the game over screen hold any direction button then press Start.

Adventures of Lolo (J), Adventures of Lolo 2 (U)

(FIX) Secret passwords:
CSTM-Customize control settings
PROA-Pro level A
PROB-Pro level B
PROC-Pro level C
PROD-Pro level D

After Burner, After Burner II

US version:

(FIX) Sound test:
Hold B button before title screen appears (at the console power up or after game over screen).

Akumajou Densetsu, Castlevania III - Dracula's Curse

Japan versions:

(FIX) Sound test:
At the title screen hold A or B or both buttons then press Start.

Arkanoid (J)

Japan version:

(FIX) Skip Level:
Any time you want, during the game press and hold A + Start to advance to another level. This cheat only works up to 16th level.

Bad Dudes (U), Bad Dudes vs Dragon Ninja, Dragon Ninja

(FIX) Extra 64 lives:
Press A, B, Down, Up, Down, Up on second controller at the title screen, then press Start on first controller.

(FIX) Extra punch power:
Enter "64 lives" cheat but don't press Start, now press Up, Up, Down, Down, Left, Right, Left, Right, A, B on second controller, then press Start on first controller. Your punch power two times increased.

Battle Formula, Super Spy Hunter

Arcade version:

(FIX) Full equipment:
Pause game then press Up, Up, B, Right, Right, B, Down, B, Down, B, Left, Left, A.

Battletoads & Double Dragon - The Ultimate Team

(FIX) Extra lives:
Hold Up + A + B and press Start at the player selection screen. Note: This code may also be re-activated at the game continue screen.

Blue Shadow, Kage, Shadow of the Ninja

Prototype version:

(FIX) Cheat mode:
Press A, A, A, A, B, B, B, B, A, B, A, B, A, B, A, B after selecting the number of players at the title screen. A sound will confirm correct code entry. Enter one of the following codes, then press Start on first controller. To start with invulnerability, hold Down on second controller in addition to the other buttons.
B on second controller-Level 1-2
A on second controller-Level 1-3
A + B on second controller-Level 1-4
B on first controller-Level 2-1
B on first controller, B on second controller-Level 2-2
B on first controller, A on second controller-Level 2-3
B on first controller, A + B on second controller-Level 3-1
A on first controller-Level 3-2
A on first controller, B on second controller-Level 3-3
A on first controller, A on second controller-Level 4-1
A on first controller, A + B on second controller-Level 4-2
A + B on first controller-Level 4-3
A + B on first controller, B on second controller-Level 5-1
A + B on first controller, A on second controller-Level 5-2
A + B on controllers one and two-Sound Test

Bomberman II, Dynablaster

US version:

(FIX) Secret passwords:
K3456712-Sound Test
K138BHDJ-Manual detonator
K1HB3G1H-Semi manual detonator
KJH5C13D-Bonus stage
K2JG2135-Small primer time
K2JG2G1H-Normal primer time
K2JG2JF4-Long primer time

Japan version:

(FIX) Secret passwords:
PCDEFGAB-Sound Test
PACHINKO-Manual detonator
PANICMAN-Semi manual detonator
PONEJACK-Bonus stage
PBOMBACE-Small primer time
PBOMBMAN-Normal primer time
PBOMBOLD-Long primer time

Captain Skyhawk

European version:

(FIX) Nine lives, all weapons:
At the title screen press Start and wait until the second title screen appears. Before screen disappears, hold Down + A buttons.

(FIX) Level skip:
Press Up + B on second controller during the game.

Chiki Chiki Machine Mou Race, Wacky Races

Both versions:

(FIX) Only Bosses:
Press A, B, Left, Right, Left, Right, Down, Down, Up at the title screen after "PUSH START BUTTON" message appears. This cheat also enables debug mode. To use it, pause the game, press and hold Select and press Right to select weapon, or press Up to restore hearts. Or press and hold A + B then unpause the game to skip to the next boss.

Commando, Senjou no Ookami

All versions:

(FIX) Secret passages:
At the title screen press Left, Left, Left, B, B, A, A, A, A on second controller then press Start on first controller. From nou you will see underground passages on level.

(FIX) Level select:
At the title screen press Left, Right, A, B, A, Down, Up on second controller then hold A on first controller and by pressing Select button select desired level.

Crystalis, God Slayer - Haruka Tenkuu no Sonata

Japan version:

(FIX) Level warp:
During game hold A + B on first controller then by pressing A on second controller you can cycle through 16 places of game.

Dash Galaxy in the Alien Asylum

(FIX) Level select:
Press Up + Left + B + Select at the title screen. Press Up or Down to change the level number. Press Start to begin the game.

Demon Sword, Fudou Myouou Den

Japan version:

(FIX) Password screen:
At the title screen hold Up then press A, B, A, B on first controller. Password code have internal abuse filter, passwords with words "FUCK" or "SEX" at any position always fail.

Destination Earthstar

(FIX) Level skip:
Hold Down + Select and press B, B, B on second controller during game play, release these buttons and you will hear a sound confirm correct code entry. Then press Right + A + Start on second controller to advance next level.

Dirty Harry

(FIX) Secret passwords:
MYSTY-Level 2
BYRD-Level 3
CLYDE-Invulnerability

Dragon Spirit - Aratanaru Densetsu, Dragon Spirit - The New Legend

US version:

(FIX) Level select:
Enter "Sound test" cheat. Then, press Up, Up, B, Down, Down, B on second controller. Use second controller to select a new starting level.

(FIX) Extra 20 dragons:
Skip first training game level, after some plot animation when you return to title screen with one of three dragons obtained accordingly to results of first training stage, hold A + B buttons on second controller then press Start on first controller to start new game with extra 20 dragons.

Dynowarz - Destruction of Spondylus

Japan ane European versions:

(FIX) Secret passwords:
0916-Level Select
By pressing Up level increased, by pressing Down decreased.
For Level 2 press 5 times, 3 -> 9, 4 -> 13, 5 -> 17, 6 -> 21, 7 -> 29, values between means sublevels.
1965-Sound Test
By pressing B button selecting song, by pressing A button play song.
7777-Enemy Viewer
Press Up or Down and you'll see the enemy on the right side of the titlescreen change. Press Start again to return to title screen.
8708-Weapon select.
Additionally, in Man-Mode, pause the game and press Up for "Gun 1", press Up, Up for "Gun 2", in Dino-Mode, pause the game and press Down to select a weapon.
9425-Ending

F-117A Stealth Fighter

(FIX) Secert passwords:
Select "saved..." game mode, enter player name then enter:
4093CB1#-Now you can select any mission in "Theater" menu and invulnerability will be enabled.
#1BC3904-Message "USAF regulations do not permit save codes taken from game manuals.".

Family Computer - Othello, Othello (U)

US version:

(FIX) Slot machine mode:
At player selection screen hold Select and press A or Start to enable slot machine for player 1 or B to enable slot machine for player 2. Mode name will change to "Slot". A slot machine will appear corresponding player will loose and randomly change some tokens to make possible to this player to win anyway. Only two player mode for slot machine is available.

Japan version:

(FIX) Slot machine mode:
At mode selection screen hold Select and press A or Start to enable slot machine type 1 or B to enable slot machine type 2. Mode name will change to "Slot". Only two player mode for slot machine is available. This mode is different from US one, there will be just the same game othello as usual but player may put tokens only at random places according to slot machine choise or dice roll.

Family Pinball, Rock 'n' Ball

(FIX) Battle flipper controls both flippers:
Press at the title screen Up, A, Right, B, Down, Left on second controller.

(FIX) Extra 5 balls:
Press at the title screen Left, Right, A, Down, B, Up on second controller.

(FIX) Extra 10 balls:
Press at the title screen B, Left, Right, A, Up, Down on second controller.

(FIX) Use flipper with highest rebound:
Press at the title screen Down, B, Left, Right, Up, A on second controller.

(FIX) Alternate vertical flipper control:
Press at the title screen Right, Up, B, Left, A, Down on second controller. In pinball, first controller will control the bottom flipper and second controller will control the top flipper.

(FIX) Alternate horizontal flipper control:
Press at the title screen A, Down, Up, Right, Left, B on second controller. In pinball, first controller will control the bottom flipper and second controller will control the top flipper.

Faria - A World of Mystery and Danger!, Faria (J)

US version:

(FIX) Secret words:
Enter one of following words as player name:
GaoGao-Begin game play with invulnerability, unlimited gold and other bonuses.
ENDING-Begin game play with all quests completed.

Ghosts'n Goblins, Makai-Mura

US version:

(FIX) Level select:
Hold Right and press any of A or B or both buttons three times total. Release Right and press Up, B, B, B, Left, B, B, B, Down, B, B, B, Start. A number and letter will be displayed. Press A or B to select a new starting level and press Start to begin game play.

(FIX) Credits message:
Complete both quests, then at ending screen press A, B, Up, Down, A, B, Left, Right.

Godzilla - Monster of Monsters!, Godzilla (J)

(FIX) Secret passwords:
Note: the passwords uses the number "0", and not the letter "O".
S0UND-Sound test
DESTR0Y ALL M0NSTERS-Boss fight
MAR-Mars level
JUP-Jupiter level
SAT-Saturn level
URA-Uranus level
PLU-Pluto level
NEP-Neptun level
X STAR-X-Star level
START-Game start
START T0 END-View opening and ending sequences
M0NSTER 0-Ghidora fight

Gradius (J)

US version:

(FIX) CRC test:
Hold A + B buttons then press Reset. Game performs self CRC test, if PRG match internal CRC then displays text "KONAMI ONE", otherwise "KONAMI TEN", if CHR match internal CRC, then displays text "GRADIUS ONE", otherwise "GRADIUS TEN". Known European version do not match CHR test.

Gun Sight, Laser Invasion

US version:

(FIX) Extra 9 players:
Highlight "players 3" on the "option" screen. Now you can press any of A, B, Right or Left buttons in any sequence but summary you should press buttons 50 times. With 50th pressing you will hear the sound and number "9" next to "playes" will appears. If you miss 50th pressing, try again one more time carefully. ;)

Gun-Dec, Vice - Project Doom

All versions:

(FIX) Stage select:
Hold the A button and press the Reset button. Press A on second controller.

(FIX) Sound test:
Hold the A button and press the Reset button. Press B on second controller.

Gun.Smoke

(FIX) Machine Gun:
Press A, A, A, A, Select, Select, Select, Select, Right, Right at the title screen, start the game and you'll get Machine Gun with 300 ammo.

Heavy Barrel

Japan version:

(FIX) Level select:
At the title screen hold on second controller one of the following codes then press Start on first controller.
Up + Right-Level 2
Right-Level 3
Down + Right-Level 4
Down-Level 5
Down + Left-Level 6
Left-Level 7
Up + Left-Level 8

Heavy Shreddin'

(FIX) Extra 99 lives and level select:
Hold Left + A + B and press Start at the title screen. Now you will be able to select any level by pressing A and extra 9 lives.

Hunt for Red October, The

US version:

(FIX) All weapons:
Pause game play then press A, B, Select, A, B, Select, A, B, Select, A, B, Select, A, B, Select, A, B, B, A bottom of screen will turn green. Note: this code may only be enabled once per game.

Ikari (J), Ikari Warriors

Special version:

(FIX) Level select:
At the title screen quickly press Up, Down, A, A, B, Left, Right, A, B, Up, A, Down, Right, Right, Left, B, Up, Left, A, Right, B, Left, Right, A, Left, Up, A, Down, A, Right, Left, B, Start. Level select menu appears after airplane landing.

Ikari II - Dogosoken, Ikari Warriors II - Victory Road

(FIX) Continue:
Press A, B, B, A, A, A, A, A, A, B after losing game, but before game over screen appears. Note: this also can be done on second controller at any time for a second player to enter the game and this code may not be enabled during the last level of the game.

Image Fight

(FIX) Level select:
At the title screen hold A + B on both controllers and just press Start.

Infiltrator

(FIX) Secret passwords:
NERV-Begin Flying mission 2
HOOT-Start at Enemy base 2
GUMP-Begin Flying mission 3
BOMB-Start at Enemy base 3

Jackie Chan (J), Jackie Chan's Action Kung Fu

(FIX) Level select:
Press Up, Up, Down, Down, Up, Down, B, A at the title screen, then simply press Start.

(FIX) Extra 99 continue:
Press B button once on second controller while in Level Select mode.

James Bond Jr

(FIX) Secret passwords:
012345-Sound Test
888888-View credits
181287-Grenades, unlimited time, ammo and extra 99 lives
170167-Grenades, Glow, unlimited time and ammo
200888-Grenades, unlimited time and ammo

Jurassic Park

European version:

(FIX) Level Skip:
At the title screen press Down, Right, Left, Down, Right, Left, Down, Right, Left, Down, Right, Left. A sound will confirm correct code entry. Pause game any time and press Select to skip level.

Kage no Densetsu, Legend of Kage, The

US version:

(FIX) Ten lives:
Hold A + B + Select + Start on first controller and A + B on second controller then press Reset. Release buttons when title screen starts rolling from bottom of the screen and while it scrolling, press at the same time A button on first controller and B on second controller. When you start the game you will have extra 10 lives.

Kaiketsu Yanchamaru (J), Kid Niki - Radical Ninja

(FIX) Extra live:
Every time you kill a boss, a scroll appears. If you hit this scroll when number of seconds is divided on 12 then scroll will turn into extra live.

Knight Rider

(FIX) Level select:
Hold B, press Reset, release both buttons, then at the briefing screen with Devon you will be able to select the starting level. Press Start to begin game play.

Kung-Fu Heroes, Super Chinese (J)

Japan version:

(FIX) Continue:
To continue game after game over hold A then press Start at the title screen.

Lifeforce, Salamander

Japan version:

(FIX) Extra 30 lives:
Press Up, Up, Down, Down, B, A at the title screen.

US version:

(FIX) Extra 10 lives:
Press Up, Up, Down, Down, B, A at the title screen.

Little Ninja Brothers, Super Chinese 2 - Dragon Kid

US version:

(FIX) Secret passwords:
SOUND-Sound test
FULL-Full equip at start
ENDING-Ending sequence

Lode Runner

US version:

(FIX) Level select:
Any time in game or at level and score info screen press Select then press A or B to select level then press Start.

(FIX) Game speed:
At level select screen hold Select then press A to increase speed or B to decreage sped of game then press Start to play corresponding level with corresponding speed. Note: default speed delay is 35, pressinf A button you decreasing it or increasing be pressing B to 1. Speed delay value wrapped from 255 to 0, so if you press A 35 times you'll get maximum game speed, but if you press A one more time, you'll get maximum delay, and sowest game speed. The same in reverse will happen if you press B 221 times.

Low G Man

(FIX) Secret passwords:
Complete list of secret and generic passwords.
matt-1-2
hnry-1-3
mich-2-1
danm-2-2
jimg-2-3
elle-
malz-
hisa-
etsu-
isac-
kuni-
kawa-
bill-
ishi-
aman-
ino♥-Bonus Level
shio-Bonus Level
naka-3-0
gata-Bonus Level
kid♥-Ending
teru-
mie♥-
kado-
same-
irie-
maru-
sima-
higu-
ogaw-
iizu-
shot-Full weapons and ammo
lobb-9 lives
song-Sound test
say♥-Ending
yes♥-Ending

Mad Max

(FIX) Secret passwords:
MMAX-Start at Arena 1
WAST-Begin Road war 2
BLAS-Start at Arena 2
MAEL-Begin Road war 3
HUMU-Start at Arena 3

Magician

(FIX) Spells:
PHOLRA-Razor
PHRAST-Axor
PHNAHU-Boomeraxe
PHRANA-Boulder
PHOLMIRA-Spear
VENAHUNARA-Ven
FISTMIRA-Fireball
FIRANAOLHU-Firestorm
FIOLNARAST-Fire ring
FIOLHUNARA-Fire spray
POHUNAST-Dispell
PONASTRANA-Lightning
POOLMISTNA-Repellent
POHURANAHU-Exorcise
POSTRAMIST-Death ring
PORAOLHUST-Psychic
MIOL-Help
MIFISTHURA-Meditate
MIRANARAST-Fly
MIRAHUFINA-Jump
PHRANARAHU-Phys Shield
VERANAMIST-Ven Shield
FIRANAHUNA-Fire Shield
PORANASTRA-Pow Shield
MINARA-Reveal
MIMIFINAST-Fleet Foot
MIMIRAHUNA-Slowmo
MISTRAOL-Featherlite
MISTNAST-Iron Boots
MINASTOL-Wakey Wakey
MIOLST-Light
MIRAHUOL-Translate
MINAOLNA-Twin
NAHUMISTMI-Sound test (sound test)
HUHUMIHUHU-Who's Who (game credits)

Mega Man 2, Rockman 2 - Dr. Wily no Nazo

YOKO version:

(FIX) Turn Stars Into Birds:
At the Stage select screen, hold down the A button and choose a boss. When the next screen comes up that displays the boss and his name, the stars in the background will turn into birds.

MiG 29 - Soviet Fighter

US version:

(FIX) Secret words:
Enter one of following words as player name for the hi-score table:
"PETE...."-Bonus Life
"TOBY...."-Bonus Weapons
"LINUS..."-Multi Bonus
"PREVIEW."-Level Five Preview
"GLIMPSE."-Last Level Glimpse

Mike Tyson's Punch-Out!!, Punch-Out!!

Aladdin version:

(FIX) Secret passwords:
075-541-6113-"Busy signal".
800-422-2602-"Busy signal" of Nintendo's customer service phone number.
206-882-2040-"Busy signal".
135-792-4680-"Another World Circuit" access. To enable this password hold Select and press A + B when you entered it.
106-113-0120-"Credits". To enable this password hold Select and press A + B when you entered it.
007-373-5963-"Dream Fight" with Mike Tyson.

NARC

(FIX) Continue:
Hold Up + A + B + Select + Start at the title screen. A countdown timer will appear in the life power window after all lives have been used. Press Start to continue game play at the current location.

Nekketsu Kakutou Densetsu

(FIX) Fight as Toraji:
Select "BATTLE MODE" then select "NO CHARACTER EDIT" mode. At team member select screen hold Right + Select then press A.

(FIX) Fight as Toraichi:
Select "BATTLE MODE" then select "NO CHARACTER EDIT" mode. At team member select screen hold Left + Select then press A.

Ninja Gaiden (U), Ninja Ryukenden (J), Shadow Warriors

Japan version:

(FIX) Sound test:
Hold Down + Left + A + B + Select then press Start when the phrase "Tecmo Presents 1989" appears.

Power Blade (U), Power Blazer

Both versions:

(FIX) Sound mode:
At the title screen hold Left + A + B on second controller then press Start button on first controller.

Probotector II - Return of the Evil Forces, Super C, Super Contra (J)

Japan version:

(FIX) Extra 30 lives:
Press Right, Left, Down, Up, A, B at the title screen.

US version:

(FIX) Extra 10 lives:
Press Right, Left, Down, Up, A, B at the title screen.

Punisher, The

(FIX) Extra 999 submachine gun rounds:
At the any mission selection screen press on second controller Right, A, B, B, B, A, Left, A. A sound will confirm correct code entry. You can enter code only two times during the game before any new mission. Code can be combined with any other codes.

(FIX) Extra 25 bazooka rounds:
At the any mission selection screen press on second controller A, B, B, Up, Up, Left, Down, A. A sound will confirm correct code entry. You can enter code only two times during the game before any new mission. Code can be combined with any other codes.

(FIX) Extra 999 assault rifle rounds:
At the any mission selection screen press on second controller Up, A, A, A, A, Left, Left, Down. A sound will confirm correct code entry. You can enter code only two times during the game before any new mission. Code can be combined with any other codes.

(FIX) Skip level:
At the any mission selection screen press on second controller Down, B, A, B, Up, Down, Down, Right. A sound will confirm correct code entry. Now you can press Select during the game to skip current level. You can enter this code only once, but effect is permanent for all missions. Code can be combined with any other codes.

Rad Racer 2

C.J's Elephant Antics game:

(FIX) Level select:
At the title screen press B one less time than the desired level. Hold Up + Left and press Start to begin game play. Level counter wrapped from 15 to 0. Note: game have some "bug", if you press B more or equal than 8 times and just press Start road will be missed, only black screen and some stuff will be visible.

Rush'n Attack

Japan version:

(FIX) Glitch:
Hold Start or Select buttons then press Reset. Release it after title screen appears. From now all demo sequences will have music along with the sounds.

Silver Surfer

Japan version:

(FIX) Secret passwords:
Press Up on both controllers to display the password screen.
FPNFR7-Possessor 1
9KY3FG-Possessor 2
GDXK4F-Level skip
2SKSKQ-
B73MSK-
PL3ZZ5-
MJXT8H-
J3PS67-
RNHWDF-
5QRXD6-
CMN17D-
TGQ2JT-
NSLWDF-
LNQ283-
1X1ZTS-
JMDFWK-
H6N7D4-
WVL3R9-
KJTTJK-Invulnerability
CKWJT4-Full weapons
KCHDR4-Second quest
S4FHFB-Third quest
68VKG9-
J8SCL9-Two extra continues
SJM333-Unlimited continues

Sky Kid, Super Sky Kid

(FIX) Continue:
At the title screen after game over hold Down + Left on second controller then press Start on first controller.

Smash T.V.

(FIX) Circuit warp:
At the player number selection menu hold at least one B button on any controller along with at least one Right button on any controller then press but not hold Start button.

Star Soldier

Japan version:

(FIX) Full weapons:
If you using Famicom with internal microphone in second controller, be quiet, cheat not working if microphone detected loud sound. ;) Press Select 10 times at the title screen. Then, hold following combination Up + Down + Left + Right + A + B using both controllers then press Start on first controller once for enable cheat. Press one more time Start while continue holding all buttons pressed before to disable it back. Note: you can hold any buttons on any controllers to set full combination, but you can't press on one controller Left + Right or Up + Down simultaneously, so press opposite direction buttons on separate controllers. Release buttons and press Start to start the game. By pressing Select during the game you can switch between regular shot and laser.

Star Wars - The Empire Strikes Back

(FIX) Cheat mode:
Press Start during game play, press Select then within 2 seconds after that press Right + A + B + Select + Start, now game is waiting for entering cheat code. Press B, B, Start, A, B, Start, B, B. Only 8 button pressings allowed, so be accurate. ;) Now, you can press one of the following buttons to complete the code.
Select-Skip current level
Start-Gives all forces

Summer Carnival '92 - Recca

(FIX) Change score limit:
Hold Select button before title screen appears. Change number using d-pad buttons, then press Start to continue game. Resulting number using in "time attack" game mode. When your score exceed limit value, game is permanently over. Normally "time attack" mode ends when you get 10000 score points, but with this cheat you can change this limit up to 9000000 points.

(FIX) Sound test:
At the title screen press Start when "normal game" is selected then quickly hold Select while cursor is blinking.

(FIX) Zanki Attack:
At the title screen press and hold Up + A + B + Select then press Start. Game will start with 50 lives, enemies release after suicide many small bullets, score is ranked by remaining lives.

Sword Master

US version:

(FIX) Warp to level 7:
Hold Up + Select then press Start at the title screen.

(FIX) Continue:
Hold Down + Select then press Start at the title screen. At the "continue" screen instead "continue xx" message, "free play" message appears.

Teenage Mutant Ninja Turtles II - The Arcade Game (J), Teenage Mutant Ninja Turtles III - The Manhattan Project (U)

US version:

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

Japan 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.

Tetris (Unl)

(FIX) Free `stick` block:
Press Down, Down, Left, Right, Left, Right, B, A during game pause, you will obtain one "stick" figure for free. Works once per game.

Thunderbirds

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

Tiny Toon Adventures (U)

All versions:

(FIX) Extra 3 lives:
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.

Zanac

Japan version:

(FIX) Sound test:
Hold A + B buttons on first controller then press Reset.

(FIX) Level select:
Press Reset 13 times. Press Start to go in main game menu. Press Left or Right to choose level then choose "continue" option and press Start. To start with 11 or 12 level hold additionally Up on the second controller. Do the same if you want to continue game after 10th level.

 

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