Mostly Unpublished NES Cheats ;)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.
G.I. Joe
G.I. Joe - The Atlantis Factor
Galaga
Galaxian
Galaxy 5000
Gambler Jiko Chuushin Ha - Mahjong Game
Gambler Jiko Chuushin Ha 2
Game Party
Ganbare Goemon Gaiden - Kieta Ougon Kiseru
Ganbare Goemon! - Karakuri Douchuu
Ganbare Pennant Race!
Ganso Saiyuuki - Super Monkey Daibouken
Garfield - A Week of Garfield
Gargoyle's Quest II - The Demon Darkness, Red Ariimaa 2
Gauntlet
Gegege no Kitarou - Youkai Dai Makyou, Ninja Kid
Gegege no Kitarou 2 - Youkai Gundan no Chousen
Geimos
Gekitotsu Yonku Battle
Gekitou Pro Wrestling!! - Toukon Densetsu, Tecmo World Wrestling
Gemfire, Royal Blood
Genpei Touma Den - Computer Boardgame
Getsufuu Maden
Ghostbusters II
Ghosts'n Goblins, Makai-Mura
Ghoul School
Gilligan's Island
Gimmi a Break - Shijou Saikyou no Quiz Ou Ketteisen
Gimmick!, Mr. Gimmick
Goal! 2, Goal! Two, Goal!!
Godzilla - Monster of Monsters!, Godzilla
Golf '92, The
Golf Club - Birdy Rush
Golgo 13 - Dai 1 Shou - Kamigami no Tasogare, Golgo 13 - Top Secret Episode
Golgo 13 - The Riddle of Icarus, Mafat Conspiracy - Golgo 13
Goonies, The
Goonies II, The - Fratelli Saigo no Chousen, Goonies II, The
Gorby no Pipeline Daisakusen
Gozonji - Yaji Kita Chin Douchuu
Gradius
Gradius II
Grand Master
Great Battle Cyber
Great Deal
Great Tank, Iron Tank
Great Waldo Search, The
Great Wall, The (Sachen)
Greg Norman's Golf Power
Gremlin 2 - Shinshu Tanjou, Gremlins 2 - The New Batch
Guerilla War, Guevara
Guardian Legend, The, Guardic Gaiden
Gun Nac
Gun Sight, Laser Invasion
Gun-Dec, Vice - Project Doom
Gun.Smoke
Gyrodine
Gyromite
Gyruss
Cheats summary:
| generic cheats | - | 28 |
| unique cheats | - | 41 |
| buried secrets | - | 37 |
| fixed generic cheats | - | 12 |
| unverified games | - | 0 |
| games with secrets | - | 58 |
| games with no secrets found | - | 26 |
G.I. Joe
(UNI) Secret passwords:
| ZLGMZLGMZ | - | 3 Members, Leader Duke, Maximum level |
| ZSFXZSFXZ | - | 2 Members, Leader Duke, Maximum level |
| ZKNZZLBBZ | - | 2 Members, Leader Duke, Maximum level |
| ZMSCZTSTZ | - | Sound test |
| Z1STZNDGZ | - | Ending sequence |
(BUR) GameGenie (added 02.01.08):
| PTUAOYZY | - | Replaces the Sound test mode with the CHR test mode, disabled in the final release. |
| PENEXTAA | - | Replaces the Password screen with the old debug stage select menu. |
| AEKEAAAE | - | Re-enables the in-game shorctuts. Press Right + A + B to commit suicide or press Left + A + B to skip current level. |
G.I. Joe - The Atlantis Factor
(BUR) GameGenie (added 26.12.12):
| PEEALLAA | - | Re-enables the disabled cheat code for the level skip. During the game, press Left + Select to complete the current level. |
(BUR) Unused (added 18.04.14):
Hold B, then press Reset. This will clear some internal RAM buffers, but they actually was eraced just before that by the RESET procedure itself. So this cheat does nothing. Probably, at the development stage this meant to be used to clear hi-score table, which isn't present in the final release.
(UNI) Copyright screen (added 18.04.14):
Hold A, then press Reset. This will show the Capcom logo and the copyright screen, that will be showed by the game itself at the game's boot. So, the Capcom logo will be displayed twice. One more seemingly useless cheat, like the previous one, probably intended to keep copyrights if the game was somehow hacked (ant IT IS!).
Galaga
European version:
(BUR) Hidden text (added 08.02.13):
There is a hidden copyright text at the start of the ROM:
TM AND COPYRIGHT 1981 1988 NAMCO LTD.Another one message is hidden inside the CHR graphics at the second CHR page, tile $CF:
COPYRIGHT NAMCOThe Japanese version of this game have only the CHR part of these messages.
Galaxian
(UNI) Music player (added 04.12.08):
Power the console, press Reset 44 times. Then, hold A + B on controller 2 then press Reset one more time. Screen will changes, at left side of screen will fall flashing in music rhythm tile, until it reaches bottom of the screen you can press Reset again, each 45 pressings will change music. There is total 5 melodies hidden between graphic tiles in CHR ROM. For last two melodies offset in CHR ROM shifted by 128 bytes, or 8 tiles from starting play offset, so you will hear some strange "music" while first 8 tiles with normal graphics will play. It is possible to trigger this player another way. Reset the system only 10 times after power on, then shout in microphone on controller 2 of Famicom console 4 times. This need additional 34 resetting before reaching second melody.
(BUR) Hidden text (added 04.12.08):
There is hidden copyright text in ROM:
COPR.1984 NAMCO HARUHISA UDAGAWA
Galaxy 5000
(GEN) Credits:
Press Left, Up, B, Left, Up, B at the game over screen after using all continues.
(GEN) Cheat menu:
At the title screen, after first alien appear on the screen, press B, Left, Up, Right, B. Start 1 Player game, select controls and press Start. A secret "DR DAVES CHEAT SCREEN" will appear.
(BUR) Hidden text (added 09.07.09):
There is a hidden copyright text at end of ROM file:
(c)1991 Activision. 01/21/91 David J. Rossfor the European version and
(c)1990 Activision. 06/28/90 David J. Rossfor the US version.
Gambler Jiko Chuushin Ha - Mahjong Game
(FIX) Multiple Harutans:
At the game mode screen, select Free Mode. Then at the character selection screen, on controller 2, press Up + B, Up, Right + B, Down, Right, Up, A + B, Left. If done right, a sound will be heard. Now you can pick the Blue Monster (Harutan) from the second players page and pick him as your 2nd and 3rd option too.
Source: ReyVGM
(UNI) Autoplay menu (added 18.04.14):
Normally during the game, only in the Free play mode you could enter the in-game menu by press Select and select either to open all players tiles or enable autoplay. However, you can open the same menu in any other mode if hold Up + Down + Right on controller 1 before pressing Select.
(BUR) Hidden text (added 09.07.09):
There is a hidden version text in ROM:
Thu Jul 28 00:19:00 1988
Gambler Jiko Chuushin Ha 2
(GEN) Multiple Harutans:
At the game mode screen, select Free Mode. Then at the character selection screen, pick the Blue Monster (Harutan) from the second players page. Now, start yelling on the Famicom's microphone while you hit A to pick him as your 2nd and 3rd option too.
Source: ReyVGM
(UNI) Autoplay menu (added 19.04.14):
Normally during the game, only in the Free play mode you can see the opponent tiles using the menu by press Select. In any other mode, however, you can enable this option too, using the 4-Player adaptor for the Famicom. During the game, enable the autoplay mode, then hold for a short time Up + Down + B on Controller 3, to enable the rest of the menu options. Now, you can disable the autoplay mode and open your opponent's tiles.
(BUR) Hidden text (added 09.07.09):
There is a hidden version text in ROM:
ASM-2J 90/09/20=1.02R1
Game Party
(UNI) Cheat controls (added 21.04.14):
Hold A on controller 1 and B on controller 2 at the same time, then press Reset. During any game, except "MIND Q", press Select on controller 1 to enable cheat controls, using D-Pad on controller 2 move the ball in any place, additionally while holding A or B on controller 2 you can move also the player 1 or player 2 rackets in the "AIR HOCKEY" game or lift up or down the ball in the "BASKETBALL" game. Press Start to return controls to normal state and continue playing. If you press Select at the main game menu, the cheat controls will be disabled. Was actually a part of this cheat, involving the additional key press after the game selection, when some flag is displayed, but for some reason isn't used.
Ganbare Goemon Gaiden - Kieta Ougon Kiseru
(FIX) Easter egg (added 21.04.14):
After beating the last boss, at the image where all 4 characters are standing looking to the left, press A, B, A, B, A, B, A, B, A, B, A, B, A, B, A, B, A, B, A, B and you'll see Yae in a Bikini instead of her usual clothes.
Source: ReyVGM
Ganbare Goemon! - Karakuri Douchuu
(GEN) Contine:
At the game over screen, hold A + B then press Start. If done right, you'll continue on the same stage you were in and you'll keep your energy bar, but half the money.
Source: ReyVGM
(GEN) Map screen (added 21.04.14):
During the first person events, press A + B to see the map.
(UNI) CRC test (added 30.10.07):
Hold A + B, then press Reset. After some time message "ごえもん １ばん" and "こなみ １ばん" appears. First one is results for PRG CRC test, second one for CHR CRC test. If test fails, then message will be "２ばん".
Ganbare Pennant Race!
(UNI) Secret passwords:
| S | - | Sound test |
| ふらの | - | Ending sequence |
Ganso Saiyuuki - Super Monkey Daibouken
(GEN) Level select (added 24.04.07):
At the title screen, by pressing combinations of A or A + B you may select game area then press Start to enter it. Some of this codes are unlockable passwords in game.
| A + B | - | Area 1 |
| A + B, A | - | Area 2 |
| A + B, A + B | - | Area 3 |
| A + B, A, A | - | Area 4 |
| A + B, A, A + B | - | Area 5 |
| A + B, A + B, A | - | Area 6 |
| A + B, A + B, A + B | - | Area 7 |
| A + B, A, A, A | - | Area 8 |
| A + B, A, A, A + B | - | Area 9 |
| A + B, A, A + B, A | - | Area 10 |
| A + B, A, A + B, A + B | - | Area 11 |
| A + B, A + B, A, A | - | Area 12 |
| A + B, A + B, A, A + B | - | Area 13 |
| A + B, A + B, A + B, A | - | Area 14 |
| A + B, A + B, A + B, A + B | - | Area 15 |
Garfield - A Week of Garfield
(UNI) Level select (added 22.04.14):
At the title screen, press Up + Left + B on controller 2 to increase the starting level number up to 8, press Start to play from the selected level.
(BUR) Hidden text (added 10.07.09):
There is a hidden copyright text in ROM:
Written by Masashi Itoi. (c) Copyright MARS Corporation. 1988
Gargoyle's Quest II - The Demon Darkness, Red Ariimaa 2
(UNI) Secret passwords (added 26.07.13):
| 14142135-1732050 | - | Start a game with extra 9 lives and all magic available. |
Gauntlet
(GEN) Soft reset:
During game, press A + B + Select + Start.
Gegege no Kitarou - Youkai Dai Makyou, Ninja Kid
(UNI) CRC test (added 26.07.13):
Hold any button on controller 2 then press Reset. The game will test PRG and CHR ROMs consistency with 16-bit checksum. If the PRG test fails, then screen will locked with the red color. If the CHR test fails, then screen will be blue. If all is ok, then game will continue as usual. The US version has the checksums from the Japanese version, so PRG test don't pass.
(UNI) Unlimited lives (added 26.07.13):
Hold on controller 1 Left + B, press Reset, release the buttons.
Hold Right + B, press Reset, release the buttons.
Hold Up + Down + Left + B, press Reset, release the buttons.
Hold Down + B, press Reset, release the buttons.
Hold Right + B, press Reset, release the buttons.
Hold Up + Right + B, press Reset, release the buttons.
If all done right, the live counter won't be decreasing after death. Note, if you write down the button codes for this cheat: 42 41 4E 44 41 49 in ASCII, you'll get the string "BANDAI".
Gegege no Kitarou 2 - Youkai Gundan no Chousen
(BUR) GameGenie (added 22.04.14):
| PAKKXTAA | - | Re-enables debug HP refill. During the game hold A on controller 2 for some time. |
Geimos
(BUR) GameGenie (added 26.12.12):
| AEEIXKNY | - | Enable debug feature to record replay for the demo sequence. Since offsets are set for the ROM data, you cannot actually record something. |
Gekitotsu Yonku Battle
(BUR) Hidden text (added 08.02.13):
There is an unused text sting at the end of some PRG banks:
JECT DMA ADDRESS 2E4HAdditionally, this game contains a few of source code lines, used as padding:
24,$24,$24,$24,$24,$24 ;COKL5 .BYTE $24,$24,$24,$24,$24,$24,$24,$24,$24,$24,$24,$24,$24,$24,$24,$24 ; .BYTE $24,$24,$24,$24,$2and
STA WORK1 TYA AND #$FE ASL A ROL TEMP1 ASL A ROL TEMP1 ASL A R
Gekitou Pro Wrestling!! - Toukon Densetsu, Tecmo World Wrestling
(GEN) Sound test:
At the title screen, press Up + Left + A + B + Select.
Gemfire, Royal Blood
Japanese version:
(BUR) GameGenie (added 20.07.17):
| IGKXEGGG | - | Adds an additional menu option to the "SAVE/LOAD" game menu: "DEBUG". When used, allows you to adjust any parameters for selected tow and continue the game. |
Genpei Touma Den - Computer Boardgame
(GEN) Flashing Attacks (added 26.07.13):
At the title screen, hold Select then press Start. If done right, the attacks during battle will be flashier.
Source: ReyVGM
Getsufuu Maden
(BUR) All items (added 07.10.07):
The game still performs a check for A held at the game start. In this case it sets up $7D9 and $7DA variables corresponding to the inventory items to $FF. But before game starts this variables are rewritten with $01, so cheat is discarded. Probably this was quick lazy debug feature.
(BUR) GameGenie (added 25.06.08):
| SUUSUOKN | - | Enables some debug features. In map mode you can press at the same time A + B + Select to clear internal map data for current screen location and will be able to move any position in that region. In game hold Up + A + B then press Select to cycle through game modes. |
Ghostbusters II
(BUR) GameGenie (added 22.04.14):
| SEEVLKXT+PKEVGKXT | - | Re-enables the Stage skip cheat. During the game demo and title sequences, before the player select menu, on controller 2 hold Right + Select and press A, A, A. Release all buttons. During the game, press Select on controller 2 to skip current level till the ending sequence. |
Ghosts'n Goblins, Makai-Mura
Japanese version:
(GEN) Continue:
After the game over screen at the title screen, hold Right and press A or B three times, then press Start.
All versions:
(FIX) Level select (added 22.10.07):
At the title screen, hold Right and press A or B three times. Release Right and press Up, B, B, B, Left, B, B, B, Down, B, B, B, Start. After player screen, a number and letter will appear. Press A or B to select starting level and press Start to begin from the selected level.
(FIX) Credits message (added 22.10.07):
Complete both quests, then at the "...CHALLENGE AGAIN!" screen press A, B, Up, Down, A, B, Left, Right and wait for "GAME OVER" message.
Ghoul School
(UNI) Debug mode (added 09.12.07):
At the "Electro Brain presents" screen press quickly B, Up, B, B, Left, Select. You can select any game screen or level to start, play sound or game music, and after start you will have all items in inventory.
Gilligan's Island
(UNI) Episode select (added 26.07.13):
At the episode number screen, hold Down + Right + B on controller 2, then press Down on controller 1 to increase the episode number from 1 to 4.
Gimmi a Break - Shijou Saikyou no Quiz Ou Ketteisen
(GEN) Player select (added 23.04.14):
Start a game with the regular controllers, don't plug the special quiz buzzers controller. Before the second round of the Quiz game, you should select the player who will play agains the Quiz King. Press Up + B to select the left player instead of the King, and press Down + B to select the right player. You can select the same opponents. Press A to play this round with selected players. This is an unlockable, the game will tell this secret to you after you beat two rounds normally.
Gimmick!, Mr. Gimmick
All versions:
(GEN) Music sampler:
At the title screen, hold Select and press Start.
Japanese version:
(BUR) GameGenie (added 24.04.14):
| ZEETLZPS+ZEETLZPS | - | Re-enables the debug cheats. During the game press Select on controller 1 to refill HP. On controller 2, press A + B to increase lives. Use the D-Pad buttons will warp to one of the four level's checkpoints instantly. Press B to win current level and return back to the map with bad ending. To enable the good ending hold additionally A. |
European version:
(BUR) GameGenie (added 24.04.14):
| PAVVTZAA | - | Re-enables the debug cheats. On controller 2, press press A to refill all items and HP. Use the D-Pad buttons will warp to one of the four level's checkpoints instantly. Press B to win current level and return back to the map with bad ending. To enable the good ending hold additionally A. |
Goal! 2, Goal! Two, Goal!!
(UNI) Hard mode:
Hold Up + A + B + Select + Start on controller 1 and press Reset. Title name color will change to blue for the Japanese version, or Title background color will changed to dark blue for the US version.
(UNI) Music test:
Hold A + B on controller 2 and press Reset.
(BUR) Hidden text (added 25.04.14):
The RESET routine in this game uses string
GOAL2.JALECO.'92to check if game was soft or hard reset.
Godzilla - Monster of Monsters!, Godzilla
(FIX) Secret passwords (added 06.01.08):
Note: the passwords uses the number "0", but 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 | - | Ending sequences |
| M0NSTER 0 | - | Ghidora fight |
(UNI) Password generator (added 03.04.17):
Note, there are a lot of redundancy in this password system. Most of parameters can be invalid (valid stages are from 0 to 7, valid locations not higher than 64, etc...), there are two unused Monsters slots for unused player characters (see tcrf.net). It is possible to generate malformed password without valid structure with almost any data inside, so passwords like "GH1D0RA" are possble (can be generated using the "Hack" option).
Golf '92, The
(UNI) Hole select (added 27.07.13):
Hold Down + Left + A + B + Select on controller 1, then press Reset. During the game press Select to switch to the hole select screen.
(UNI) Autoplay mode (added 27.07.13):
Hold Up + Right + A + B + Select on controller 1, then press Reset. Now both players will be CPU controlled.
Golf Club - Birdy Rush
(BUR) Hidden text (added 08.02.13):
There is a hidden copyright message inside the ROM:
copyright (c) 1987 DATA EAST corporation All rights reserved
Golgo 13 - Dai 1 Shou - Kamigami no Tasogare, Golgo 13 - Top Secret Episode
All versions:
(GEN) Stage Select:
To enable this cheat you must wait until the helicopter demo ends, and wait untli Duke's eyes show up. Press Start to skip to the title screen before the text appears. At the title screen hold Up + A + B on controller 1 and Up + Left + A + B on controller 2, tehn press Start on controller 1. Codes of the levels are in following table:
| 00 | - | Level 1 |
| 02 | - | Level 1a |
| 08 | - | Level 2 |
| 0A | - | Level 3 |
| 0E | - | Level 3a |
| 12 | - | Level 4 |
| 1A | - | Level 4a |
| 1E | - | Level 5 |
| 32 | - | Level 7 |
| 38 | - | Level 8 |
| 3B | - | Level 9 |
| 40 | - | Level 10 |
| 49 | - | Level 13 |
Japanese version:
(UNI) Lyrics easter (added 28.04.14):
During the game, press Start to pause it. While lyrics is displaying, sing into the microphine on controller 2. If you sing long enough, after the lyrics is over, the game will display your score from 10 to 100.
US version:
(BUR) GameGenie (added 28.04.14):
| XTKATPAV+XVUEAIAV | - | Re-enables the Lyrics easter. Unfortunately, the fonts for this screen were completely rewritten, and since the lyrics and other text are still in Japanese, there is nothing to read, actually. |
Golgo 13 - The Riddle of Icarus, Mafat Conspiracy - Golgo 13
Japanese version:
(UNI) Debug menu (added 03.01.08):
Any time during the game, hold Select on controller 1, then quickly press A, B, A, B, A, B, A, B, A, B, A, B, A, B, A, B on controller 2. You will be able to select any plot animation or level, also use the D-Pad buttons on controller 2 controls to play music and sound effects.
US version:
(BUR) GameGenie:
| IAUKZLYA | - | Re-enables the debug menu disabled in the final US release. Just reset the console after applying the code. |
Goonies, The
(GEN) Continue (added 16.01.14):
At the game over screen, hold Up + A and press Start.
Source: ReyVGM
(BUR) Hidden text (added 08.02.13):
There is a hidden serial and version string at the start of the PRG ROM:
RC809 1,0 860107for the Console version
RC001 1,0 861128for the Arcade version.
Goonies II, The - Fratelli Saigo no Chousen, Goonies II, The
Release versions:
(UNI) CRC test (added 30.10.07):
Hold A + B on controller 1, then press Reset. After some time, the message "GOONIES2 ONE" will appear if the PRG CRC test is OK, or "GOONIES2 TEN" if the CRC test fails. The European version of the ROM has the "TEN" message.
(BUR) Secret messages (added 29.04.14):
The Prototype version of this game has the secret message in "TRANSCEIVER" tool, but after the program was redesigned, the player 2 controls merged with the player 1 controls and cheat just isn't available. To enable this in the Japanese version, set the RAM variable $09 to value $07. Unfortunately, not only the controls are unavailable in the US version of this game, but all messages are dummied out. There is only message left in the strings table: "WE'RE SORRY. THE CONTENT HAVE BEEN TAKEN OUT.", but its actually isn't used anymore.
Prototype version:
(UNI) Secret messages (added 29.04.14):
During the game, when you find the "TRANSCEIVER", enter any door, from the menu select the "TOOLS" option, highligh the "TRANSCEIVER" in the tools list, hold Down + A + B on controller 2, then press A on controller 1. One of the 12 secret "KONAMI STAFF!" messages will appear randomly each time you press A, while holding the buttons on controller 2.
Gorby no Pipeline Daisakusen
(UNI) Higher bonus probability (added 28.09.17):
At the Level select menu of the "RECORD TABLE" screen, press Left 64 to 67 times. Do it quickly before the title screen appear again. Select any desired level with any other buttons, then hold Select and press either A/B or Start to begin a game. Now during the game, the bonus probability test will be performed every single tile as against every 30th tile in normal game.
(UNI) Credits (added 28.09.17):
Play the game. Score enough points to be sure to get to the 2nd place for both "SCORE" and "STAGE" rankings of "RECORD TABLE". Finish the game before you get to the 1st place lol. You'll be asked for a name. Enter "STF". Press Start, then on the Level select menu, press Left exactly 29 times. Press either A/B or Start to see the Staff screen not shown anywhere else during the game.
(UNI) Sound test (added 28.09.17):
Play the game. Score enought points to get to the 1st place for both "SCORE" and "STAGE" rankings of "RECORD TABLE". When asked for a name, enter "SDT". Press Start, then on the Level select menu, highlight the "LEVEL 2" option and press either A/B or Start to get to the "SOUND TEST" screen.
Gozonji - Yaji Kita Chin Douchuu
(GEN) Secret password (added 22.12.12):
| へゆたむき かはづとびこむ こらはへた | - | Sound test. |
Gradius
(GEN) Full power-up:
Pause the game and press Up, Up, Down, Down, Left, Right, Left, Right, B, A, Start. This may only be done once per level.
(GEN) Continue:
Quickly press Down, Up, B, A, B, A, B, A, B, A after losing the last ship on level two or higher.
(FIX) CRC test:
Hold A + B, 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 pass the CHR test.
(BUR) Hidden text (added 08.02.13):
There is a hidden serial and version string inside the ROM:
NC810 1,0 860917for the US version
RC810 1,0 860219for the Japanese version
NC810 1,0 860917for the European version.
Gradius II
(GEN) Extra 30 lives:
At the title screen, press Up, Up, Down, Down, Left, Right, Left, Right, B, A.
(GEN) Sound test:
At the title screen, hold A + B, then press Start.
Grand Master
(BUR) Hidden text (added 17.06.09):
There is a hidden copyright text for sound driver inside ROM:
GAME SOUND(C) 1990-09-10 SOFT MACHINE INC
Great Battle Cyber
(UNI) Ending sequence:
Press Up, Down, B, Right, Down, Up, Up, B at the title screen, then select player and start the game.
(UNI) Extra 9 lives (added 10.01.09):
Press B, Left, Left, Up, Down, A, Right, Up at the title screen, then select player and start the game.
Great Deal
(UNI) Level select (added 28.07.13):
At the stage number screen, press A + B on controller 2 to increase the current game's level.
Great Tank, Iron Tank
(UNI) Password generator (added 29.03.08):
(BUR) Hidden text (added 10.07.09):
There is hidden message inside ROM:
PROG. NO KNT DESU.NINTENDO NO BOKE AHO-KASU SHINE TSUBURERO-FAMICOM NANKA KIRAIDA-!Aho no Mr.T!! Koroshitannen!"Which means: "KNT's program. Nintendo is a bunch of shitty old fools who should die and go bankrupt. The hell is this Famicom?! I HATE IT! That retard, Mr. T!! I'll kill him!"
Translated by RahanAkero
Great Waldo Search, The
(UNI) Soft reset (added 30.04.14):
During the game, press Select + Start.
(FIX) Stop time (added 30.04.14):
During the game, press B on controller 2 to toggle the timer stop and run again.
(UNI) Search hint (added 30.04.14):
During the game, hold A on controller 2 to scroll to the next hidden object on the screen automatically.
Great Wall, The (Sachen)
(UNI) Sound test (added 30.04.14):
At the title screen, press A on controller 1, then select the music with Left or Right.
(UNI) Extra pts. (added 10.04.10):
During the game, press A + B + Select to add 500 pts to your score.
(UNI) Easter egg (added 10.04.10):
Before the title screen appears, hold A + B + Select. When screen turns black, release the buttons and enter A + Select, B + Select, Select + Start, A + Select, B + Select, Select + Start. Message "SACHEN" will appear on the screen.
Greg Norman's Golf Power
(BUR) Hidden text (added 10.07.09):
There is a hidden copyright text in ROM:
COURSE DESIGNER CONCEPT AND PROGRAM BY SCOTT GUEST 080391
Gremlin 2 - Shinshu Tanjou, Gremlins 2 - The New Batch
Japanese version:
(GEN) Sound test:
At the title screen, press A + Start.
Source: ReyVGM
Guerilla War, Guevara
All versions:
(GEN) Level and difficulty select:
Select a one or two player game, then hold A or B and press Start.
(BUR) Hidden text (added 08.02.10):
The RESET routine in this game uses string
KNTto check if game was soft or hard reset. Also, there is more hidden texts inside the ROM:
APO? mess DaDi DaDaDa DaDi ATHENA ikima--su MARIchan muzukas hikute wakanna-i Ganbarima-----su Ti-----me Girl!! Fight ! Fight !! HoHoHoHoHoHoHoHo Knt mess NIKAGETSU DE TSU KKUTTAN DAZO- HOMETE HOMETE 3/9/88 20:0 BUG GA DEMASSEN YOUNI ....Which means: "ATHENA let's GO! Mari-cutey is so difficult I cannae understand. Good luck! Finished it in two months. Impressive, impressive. It looks bugless...".
Japanese version:
(UNI) Hidden game (added 28.06.12):
Enter the Level select mode as described above. Select 5th level, then hold Up + A + B on both controllers at the same time and press Start on controller 1. Minigame "Sasuke vs. Commander", an early game by SNK, will appear.
Source: tcrf.net
Guardian Legend, The, Guardic Gaiden
(GEN) Sound test:
Hold A + B, then press Reset.
(GEN) Messages debug:
At any generic message/hint displaying room, press Select to enter the map/weapons menu, then press Select to exit back to the game, but do not release the button. While holding it, you still can skip the current message line when cursor is blinking with B, but when the last line of the message is displayed and no cursor is blinking, additionally you may press A or B to skip to the next message. The Japanese version version of this game has no range checking for the message index and the game will crash after the last one in library. The US version has this fixed and messages will wrap from the last to the first one.
(GEN) Secret passwords (added 06.05.14):
| TGL (for the US version) えいえるじい (for the Japanese version) | - | No action sequences (Unlockable) |
(UNI) Password generator (added 01.02.16):
Gun Nac
All versions:
(GEN) Level select:
Enter the "GUN-NAC CONTROL ROOM" mode and set "SOUND" index to "05". Now you can set any level including hidden Level 0.
(GEN) Quick configuration:
Hold A + B, then press Reset.
(FIX) Extra money (added 27.05.11):
After the game start, at the Shop, hold Left + Select, then press A or B to exit it. Instead you'll obtain an extra 10$ and this allows you to buy weapons before the first level. If the Debug mode enabled, this will give you extra 30$.
(FIX) Money to bombs (added 07.05.14):
In the shops during the game, point the menu cursor at the "END" option, then press Right + Start. Instead of exit, the shopkeeper gives you an extra ability to convert every 10$ found during the game into extra bomb. This ability can be bought also during normal game.
(BUR) GameGenie:
| PENNOYAA | - | Re-enables the debug mode. In debug mode you cannot get the good ending, or enable extra ending pictures. At the game boot, at the "NAXAT" logo screen, hold Up then press Start to view ending sequence. In configuration menu, you will be able to select any level by default, a lot mode extra configuration options are available, like weapon and bomb type selection, invulnerability switch. During the game, press Start to pause it, then hold A and press Select to request blue enemy with bomb inside instantly, hold B and press Select to request the same but with weapon inside. |
US version:
(UNI) Invulnerability (added 10.11.08):
Wait until the starting cut scene sequence is about to end and hold A + B at controller 1. Demo sequence will continue with additional graphics from the Japanese version removed from the US version and messages "DEATH & NON-DEATH FREE SELECT MODE OK!" (this will enable "Invulnerability" option in configuration menu) and "OPTION DEMO" will appear.
(UNI) Extra ending (added 10.11.08):
After game completion, when the first demo sequence is about to end, but before the credits roll, hold A + B on controller 1 to view ending sequence from the Japanese version removed in the US version. This will enable "Invulnerability" option in configuration menu as well.
(BUR) Hidden text (added 11.07.09):
There is a hidden texts inside ROM:
1990-12-17 USA SSS EEE EEE S E E SSS EEE EEE S E E SSS EEE EEE Y Y OOO U U Y Y O O U U Y O O U U Y O O U U Y OOO UUU AGAIN!
Japanese version:
(BUR) Hidden text (added 11.07.09):
There is a hidden texts inside ROM:
1990-06-21 MOU JIKI MASTER-UP, KOREGA FC SAIGO NO SIGOTONI NARU NDA ROUNA,TABUN. 4KAGETUNO KIKAN DAKARA,KORE! TO IU SUGOI TOKORO HA NAIKEDO,ASOBE RU YOUNA DEKINI HA NATTATO OMOU KARA,MAA,YOSITO SIMASYO. KONDOHA DOKODE ANATATO DEAERU KANA?Which means: "Soon will be promotion. It seems this was my last work for FC. In April I will be moved to another place, not so good as old one. Hope I will be able to play there too. I'm curious where we meet again?".
Gun Sight, Laser Invasion
All versions:
(BUR) Copyrights check (added 05.10.07):
As most games by Konami made after 1991 year all versions of this game contains copyrights check which tests for CHR copyright data presence, copyright title screen text and code for checking the title screen text. If tests fails, the super hard "one-touch" death mode enabled, you will die even by machine gun bullets. The US version of game doing this check, but don't enables protection feature and game continues to work normally.
US version:
(FIX) Extra 9 players:
Highlight "players 3" at the "option" screen. Now you can press any of A, B, Right or Left in any sequence but summary you should press buttons 50 times. With 50th pressing you will hear the sound and number "9" next to "players" will appear. If you miss 50th pressing, try again one more time carefully.
(BUR) GameGenie (added 07.05.14):
| AEKVLZPA | - | Switches the US version to the Japanese version. This changes the options game menu, adding a password option, but removing the scope test and the lives select options. Unfortunately password didn't work in this version at all. This flag doesn't affect the game language. |
Japanese version:
(UNI) Secret passwords:
| HARD | - | Hard "one-touch" mode |
| 9PLY | - | Extra 9 players |
(BUR) GameGenie (added 07.05.14):
| PEKTTZAA | - | Switches the Japanese version to the US version. This changes the options game menu, removig a password option, but adding the scope test and the lives select options, where you can use the player lives cheat from the US version. This flag doesn't affect the game language. |
Gun-Dec, Vice - Project Doom
(FIX) Debug mode:
Hold A, then press Reset. Any time during the game, press A on controller 2 to enter the stage select / sound test mode. While selecting a stage, the music will change too. Press B on controller 2 to enter the scene test mode. During the game play press Left or Right on controller 2 to decrease or increase the game speed.
Gun.Smoke
(UNI) Change controls:
At the title screen, press quickly A, B, B, Right, Right, Right, Left, Left, Left, Left, Up, Up, Up, Up, Up, Down, Down, Down, Down, Down, Down, Start. You can control the fire direction with D-Pad, instead A or B or A + B.
(FIX) Machine Gun:
At the title screen, press A, A, A, A, Select, Select, Select, Select, Right, Right, Start, after the game start you'll get the Machine Gun with 300 ammo.
(BUR) GameGenie (added 12.12.12):
| PUULPANG+KZKLGPVV (for the US version) | - | Enables Stage Select mode at the title screen. Additionally, hold Up + Select, then press Start to switch to D-Pad control mode, mentioned above. |
Gyrodine
(GEN) Invulnerability:
As soon as the title screen is starting to appear, press quickly Up, Down, Down, Down, Down, Down, Down, Down, Down, Down, Left, Left, Left, Left, Left, Left, Left, Left, Right, Right, Right, Right, Right, Right, Up, Up, Down, Down, Down, Down, Down, Down, Down, Down, Down.
Source: ReyVGM
Gyromite
(BUR) Hidden text:
There is hidden copyright text in ROM:
ROBOT SOUND 5/5 1985 HIROKAZU.TANAKA
Gyruss
(GEN) Extra 30 lives:
At the title screen press A, B, Right, Left, Right, Left, Down, Down, Up, Up then start the game.