terpsfan101 Codes (Mostly Genesis)

[terpsfan101]

Pac-Man (USA) (Game Boy)
Pac-Man (Europe) (Game Boy)

00E-A8F-3BE Infinite Lives
007-03E-3BE Infinite Power Pill Time
05E-25F-E66 Start with 5 Lives, instead of 3
07E-25F-E66 Start with 7 Lives, instead of 4
09E-25F-E66 Start with 9 Lives, instead of 5
010641D6 Infinite Lives
01FF58D6 Infinite Power Pill Time

Pac-Man (Japan) (Game Boy)

C97-89E-A29 Invincibility
009-34E-E69 Get Fruit from Anywhere (1 of 2)
009-2EE-E69 Get Fruit from Anywhere (2 of 2)
00E-A8F-3BE Infinite Lives
007-0FE-3BE Infinite Power Pill Time
05E-25F-E66 Start with 5 Lives, instead of 3
07E-25F-E66 Start with 7 Lives, instead of 4
09E-25F-E66 Start with 9 Lives, instead of 5
010641D6 Infinite Lives
01FF58D6 Infinite Power Pill Time

credit nolberto82 for Invincibility and Fruit from Anywhere

Pac-Man (Europe) (Game Boy)

C97-7DE-A29 Invincibility
009-28E-E69 Get Fruit from Anywhere (1 of 2)
009-22E-E69 Get Fruit from Anywhere (2 of 2)

These are the same ROM addresses as the USA version.
credit nolberto82

Pac-Attack (USA) (SGB Enhanced) (Game Boy)
Pac-Panic (Europe) (SGB Enhanced) (Game Boy)
Pac-Panic (Japan) (SGB Enhanced) (Game Boy)

002-E0B-19E Infinite Rests - Puzzle Mode
010920C4 Infinite Rests - Puzzle Mode
01??A7C3 Stage Modifier (01-64, hex) - Puzzle Mode

Pac-Man - Special Color Edition (USA) (SGB Enhanced) (Game Boy Color)
Pac-Man - Special Colour Edition (Europe) (Game Boy Color)

00C-89B-3BE Pac-Man - Infinite Lives
005-77A-3BE Pac-Man - Infinite Power Pill Time
05C-06B-E66 Pac-Man - Start with 5 Lives, instead of 3
07C-06B-E66 Pac-Man - Start with 7 Lives, instead of 4
09C-06B-E66 Pac-Man - Start with 9 Lives, instead of 5
010641D6 Pac-Man - Infinite Lives
01FF58D6 Pac-Man - Infinite Power Pill Time
002-E8B-19E Pac-Attack - Infinite Rests - Puzzle Mode
010920C4 Pac-Attack - Infinite Rests - Puzzle Mode
01??A7C3 Pac-Attack - Stage Modifier (01-64, hex) - Puzzle Mode

Pac-Man - Special Colour Edition (Europe) (Game Boy Color)

031-46F-E6A Enable disabled Super Game Boy features
C96-27A-A29 Invincibility
007-D2A-E69 Get Fruit from Anywhere (1 of 2)
007-CCA-E69 Get Fruit from Anywhere (2 of 2)

These are the same ROM addresses as the USA version.
credit nolberto82 for Invincibility and Fruit from Anywhere and TCRF for the enabling SGB features code

[terpsfan101]

Bubble Bobble (USA, Europe) (Game Boy)

1AB-99D-A22 Invincible against Enemies
1A8-53A-A22 Invincible against Projectiles
008-1FF-19E Infinite Lives
00A-6CF-3BE Infinite Time
011E00DC Infinite Time
016301C2 Choose any Starting Round on the Main Menu - Normal Levels (1 of 2)
010002C2 Choose any Starting Round on the Main Menu - Normal Levels (2 of 2)
016301C2 Choose any Starting Round on the Main Menu - Expert Levels (1 of 2)
010802C2 Choose any Starting Round on the Main Menu - Expert Levels (2 of 2)

Bubble Bobble Part 2 (USA, Europe) (Game Boy)

00B-4CE-19E Invincibility (after being hit)
005-2EE-19E Infinite Lives
05B-7ED-E66 Start with 5 Hearts (Health), instead of 3 - 1st Life
07B-7ED-E66 Start with 7 Hearts (Health) - 1st Life
09B-7ED-E66 Start with 9 Hearts (Health) - 1st Life
055-5CE-E66 Start with 5 Hearts (Health) - after 1st Life
075-5CE-E66 Start with 7 Hearts (Health) - after 1st Life
095-5CE-E66 Start with 9 Hearts (Health) - after 1st Life
05B-79D-E62 Start with 5 Lives, instead of 2
09B-79D-E62 Start with 9 Lives
0FB-79D-E62 Start with 15 Lives
19B-79D-E62 Start with 25 Lives
32B-79D-E62 Start with 50 Lives
4BB-79D-E62 Start with 75 Lives
63B-79D-E62 Start with 99 Lives

[terpsfan101]

Here's a large dump of Game Boy/Game Boy color codes:

Arcade Classic No. 3 - Galaga & Galaxian (USA) (SGB Enhanced) (Game Boy)
Arcade Classic No. 3 - Galaga & Galaxian (Europe) (SGB Enhanced) (Game Boy)

C93-C4B-A29 Galaga - Invincibility (1 of 2)
184-F3B-6EA Galaga - Invincibility (2 of 2)
00F-02D-19E Galaga - Infinite Lives - Both Players
06B-DCD-E66 Galaga - Start with 6 Lives, instead of 3 - Both Players
C92-45B-809 Galaxian - Invincibility (1 of 2)
C91-98B-809 Galaxian - Invincibility (2 of 2)
007-12E-19E Galaxian - Infinite Lives - 1P Game
008-DAE-19E Galaxian - Infinite Lives - 2P Game - Both Players
010680CC Galaga - Infinite Lives - Both Players
010456CC Galaxian - Infinite Lives - Both Players

credit nolberto82 for Invincibility codes

Galaga & Galaxian (Japan) (SGB Enhanced) (Game Boy)

C93-C4B-A29 Galaga - Invincibility (1 of 2)
184-F3B-6EA Galaga - Invincibility (2 of 2)
00E-6BD-19E Galaga - Infinite Lives - Both Players
06B-45D-E66 Galaga - Start with 6 Lives, instead of 3 - Both Players
C92-45B-809 Galaxian - Invincibility (1 of 2)
C91-98B-809 Galaxian - Invincibility (2 of 2)
006-7BE-19E Galaxian - Infinite Lives - 1P Game
008-43E-19E Galaxian - Infinite Lives - 2P Game - Both Players
010680CC Galaga - Infinite Lives - Both Players
010456CC Galaxian - Infinite Lives - Both Players

credit nolberto82 for Invincibility codes

Bonk's Adventure (USA) (Game Boy)

C95-46B-A24 Invincibility

same ROM addresses as B.C. Kid (Europe)
credit Mezmorize

Bonk's Revenge (USA) (SGB Enhanced) (Game Boy)

18F-26B-6EA Invincibility (1 of 2)
00A-ABA-A22 Invincibility (2 of 2)
18D-CEA-4CA Hit Anywhere (1 of 2)
FAC-08A-D5D Hit Anywhere (2 of 2)
009-01A-19E Infinite Lives

These are the same ROM addresses as B.C. Kid 2 (Europe) (SGB Enhanced)
credit nolberto82 for Invincibility and Hit Anywhere

Castlevania II - Belmont's Revenge (USA, Europe) (Game Boy)

C95-8BB-E69 Invincibility
2A7-67C-6E2 Infinite Time
010D89CC Infinite Health
019A86CC Infinite Hearts
0199C5C8 Infinite Lives
010D82CC Infinite Time

Contra - The Alien Wars (USA) (SGB Enhanced) (Game Boy)

008-0DC-19E Infinite Lives
002-CCF-19E Infinite Continues
012-B6B-E6A Start with Flame Thrower after Dying
072-B6B-E6A Start with Crush Gun after Dying
082-B6B-E6A Start with Homing Shot after Dying
092-B6B-E6A Start with Spread Shot after Dying
017-92B-E6A Start on Stage 2
027-92B-E6A Start on Stage 3
037-92B-E6A Start on Stage 4
047-92B-E6A Start on Stage 5

01??E8C1 Weapon Modifier

00: Default Weapon
01: Flame Thrower
07: Crush Gun
08: Homing Shot
09: Spread Shot

01??D7C1 Stage Modifier (00-04)

Donkey Kong Land 2 (USA, Europe) (SGB Enhanced) (Game Boy)

C31-17A-E61 Invincibility

Donkey Kong Land III (USA, Europe) (SGB Enhanced) (Game Boy)

C31-8AA-E61 Invincibility
008-16B-E6E Infinite Time - Bonus Round
0AE-F59-F7E Start a new game with 10 Lives, instead of 5
0FE-F59-F7E Start a new game with 15 Lives
14E-F59-F7E Start a new game with 20 Lives
0114AAFF Infinite Lives
0115EDC5 Infinite Time - Bonus Round

credit Mezmorize for Invincibility

Gradius - The Interstellar Assault (USA) (Game Boy)

019980C9 Infinite Lives

Great Greed (USA) (Game Boy)

2AB-EDB-6E2 Infinite HP
2AB-8DB-6E2 Infinite MP - In Battle
1A2-B99-A22 Infinite MP - Outside Battle
004-3FF-B30 Infinite Money
01E706C2 Infinite HP - Outside Battle (1 of 2)
010307C2 Infinite HP - Outside Battle (2 of 2)
01E706D0 Infinite HP - In Battle (1 of 2)
010307D0 Infinite HP - In Battle (2 of 2)
01E70AC2 Infinite MP - Outside Battle (1 of 2)
01030BC2 Infinite MP - Outside Battle (2 of 2)
01E70AD0 Infinite MP - In Battle (1 of 2)
01030BD0 Infinite MP - In Battle (2 of 2)
013F14C2 Infinite Money (1 of 3)
014215C2 Infinite Money (2 of 3)
010F16C2 Infinite Money (3 of 3)

Hero Shuugou!! Pinball Party (Japan) (Game Boy)

008-43A-19E Infinite Balls
04F-15F-E66 Start with 3 Balls, instead of 2 - Normal Game
06F-15F-E66 Start with 5 Balls - Normal Game
08F-15F-E66 Start with 7 Balls - Normal Game
0AF-15F-E66 Start with 9 Balls - Normal Game
04B-E7E-E66 Start with 3 Balls, instead of 2 - Extra Game
06B-E7E-E66 Start with 5 Balls - Extra Game
08B-E7E-E66 Start with 7 Balls - Extra Game
0AB-E7E-E66 Start with 9 Balls - Extra Game
010A04D2 Infinite Balls

Kirby's Block Ball (USA, Europe) (SGB Enhanced) (Game Boy)

008-D5B-E6E Infinite Lives
09F-B7E-F7A Start a new game with 9 Lives, instead of 4
0FF-B7E-F7A Start a new game with 15 Lives
19F-B7E-F7A Start a new game with 25 Lives
32F-B7E-F7A Start a new game with 50 Lives
4BF-B7E-F7A Start a new game with 75 Lives
63F-B7E-F7A Start a new game with 99 Lives

Mega Man III (USA) (Game Boy)

00A-B1F-3BE Infinite Lives

Mega Man IV (USA) (Game Boy)

06C-AEF-E66 Start with 6 Lives, instead of 3 - New Game
08C-AEF-E66 Start with 8 Lives - New Game
0AC-AEF-E66 Start with 10 Lives - New Game
062-0FB-E66 Start with 6 Lives, instead of 3 - Password Game
082-0FB-E66 Start with 8 Lives - Password Game
0A2-0FB-E66 Start with 10 Lives - Password Game

Mega Man V (USA) (SGB Enhanced) (Game Boy)

010209DF Enable Debug Invincibility (Invincible to Enemies, Spikes, and Pits)
010009DF Disable Debug Invincibility
06B-EAF-E66 Start with 6 Lives, instead of 3 - New Game
08B-EAF-E66 Start with 8 Lives - New Game
0AB-EAF-E66 Start with 10 Lives - New Game
062-46B-E66 Start with 6 Lives, instead of 3 - Password Game
082-46B-E66 Start with 8 Lives - Password Game
0A2-46B-E66 Start with 10 Lives - Password Game

credit: https://tcrf.net/Mega_Man_V for Debug Invincibility

Mole Mania (USA, Europe) (SGB Enhanced) (Game Boy)

006-DF8-3BE Infinite Health

Namco Gallery Vol.1 (Japan) (SGB Enhanced) (Game Boy)

007-FDA-19E Battle City - Infinite Lives - Normal Mode
008-3FA-19E Battle City - Infinite Lives - Fix Mode
06D-4E9-E66 Battle City - Start with 6 Lives, instead of 3 (Enable on Game Selection Screen)
08D-4E9-E66 Battle City - Start with 8 Lives (Enable on Game Selection Screen)
0AD-4E9-E66 Battle City - Start with 10 Lives (Enable on Game Selection Screen)
001-F0D-19E Galaga - Infinite Lives
06E-CAE-E66 Galaga - Start with 6 Lives, instead of 3
009-CFB-19E Mappy - Infinite Lives
051-19B-E62 Mappy - Start with 5 Lives, instead of 2 (Enable on Game Selection Screen)
091-19B-E62 Mappy - Start with 9 Lives (Enable on Game Selection Screen)
0F1-19B-E62 Mappy - Start with 15 Lives (Enable on Game Selection Screen)
191-19B-E62 Mappy - Start with 25 Lives (Enable on Game Selection Screen)
321-19B-E62 Mappy - Start with 50 Lives (Enable on Game Selection Screen)
4B1-19B-E62 Mappy - Start with 75 Lives (Enable on Game Selection Screen)
631-19B-E62 Mappy - Start with 99 Lives (Enable on Game Selection Screen)
002-F7B-3BA Namco Classic - Always on same Stroke
010A93D8 Battle City - Infinite Lives
010680CC Galaga - Infinite Lives
01639ECA Mappy - Infinite Lives
010184CC Namco Classic - Always on 1st Stroke

Nemesis (USA) (Game Boy)

006-DAF-E6E Infinite Lives
019980C0 Infinite Lives

Operation C (USA) (Game Boy)

006-CBA-E6E Infinite Lives
051-82F-E62 Start with 5 Lives, instead of 2
091-82F-E62 Start with 9 Lives
151-82F-E62 Start with 15 Lives
251-82F-E62 Start with 25 Lives
501-82F-E62 Start with 50 Lives
751-82F-E62 Start with 75 Lives
991-82F-E62 Start with 99 Lives
019988C8 Infinite Lives

Pinball - Revenge of the 'Gator (USA, Europe) (Game Boy)
Pinball - 66hiki no Wani Daikoushin! (Japan) (Game Boy)

0109B0C0 P1 Infinite Balls
0109B1C0 P2 Infinite Balls

Pinball Dreams (USA, Europe) (Game Boy)

010061D1 Infinite Balls

Pinball Deluxe (Europe) (Game Boy)

007-7FF-3BA Infinite Balls
057-82F-E66 Start with 5 Balls, instead of 3
077-82F-E66 Start with 7 Balls
097-82F-E66 Start with 9 Balls
0100F1D4 Infinite Balls

Pinball Fantasies (USA, Europe) (Game Boy)

00A-5CF-3BA Infinite Balls
05A-5FF-E66 Start with 5 Balls, instead of 3
07A-5FF-E66 Start with 7 Balls
09A-5FF-E66 Start with 9 Balls
0100F1D4 Infinite Balls

Pinball Mania (Europe) (Game Boy)

00C-5CF-3BA Infinite Balls
05C-5FF-E66 Start with 5 Balls, instead of 3
07C-5FF-E66 Start with 7 Balls
09C-5FF-E66 Start with 9 Balls
0100F1D4 Infinite Balls

R-Type (USA, Europe) (Game Boy)

09B-36E-F7A Start with 9 Lives, instead of 4
0FB-36E-F7A Start with 15 Lives
19B-36E-F7A Start with 25 Lives
32B-36E-F7A Start with 50 Lives
4BB-36E-F7A Start with 75 Lives
63B-36E-F7A Start with 99 Lives
095-019-F7A Continue with 9 Lives, instead of 4
0F5-019-F7A Continue with 15 Lives
195-019-F7A Continue with 25 Lives
325-019-F7A Continue with 50 Lives
4B5-019-F7A Continue with 75 Lives
635-019-F7A Continue with 99 Lives

Side Pocket (World) (Game Boy)

007-5CE-19E Infinite Shots - Pocket Game
10C-CDF-C42 Start with 16 Shots in Pocket Game, instead of 10
18C-CDF-C42 Start with 24 Shots in Pocket Game
20C-CDF-C42 Start with 32 Shots in Pocket Game
0120AAC1 Infinite Shots - Pocket Game

Super Mario Land 2 - 6 Golden Coins (USA, Europe) (Rev B) (Game Boy)

C9E-91D-081 Invincibility (1 of 3)
49C-3BE-B3E Invincibility (2 of 3)
18C-4FE-6EA Invincibility (3 of 3)
001-43C-E6E Infinite Lives
3ED-8CA-B31 Infinite Time
18B-59F-4CA Disable Autoscroll
186-16E-6EA Multi-Jump
002-CEC-E69 Always have Fireballs
640-62C-197 Fireball Hits Anywhere (1 of 2)
4E0-4CC-197 Fireball Hits Anywhere (2 of 2)
024-5EC-E6E Mushroom turns you into Bunny Mario
034-5EC-E6E Mushroom turns you into Fire Mario
FA1-BCC-4C1 Stay Super Mario when hit
FA1-CBC-4C1 Stay Fire/Bunny Mario when hit
023-218-E6E Each defeated enemy worth 2
053-218-E6E Each defeated enemy worth 5
181-8DB-4CA Can re-enter Boss Levels
103-9A8-B32 Can always play Games of Chance
103-9A8-B32 Can always play Games of Chance for Free (1 of 2)
183-998-08A Can always play Games of Chance for Free (2 of 2)

credit:

nolberto82 for Always have Fireballs, Disable Autoscroll, Fireball Hits Anywhere, Multi-Jump
Ugetab for Can always play Games of Chance and Re-enter Boss Levels
rimsky82 for Invincibility
Galoob for Each defeated enemy worth ??, Mushroom turns you into ??, Stay Super/Fire/Bunny when hit

Wario Land - Super Mario Land 3 (World) (Game Boy)

005-F3A-E6E Infinite Lives
004-61B-E6E Infinite Time
019909A8 Infinite Lives
019965A9 Infinite Time

Donkey Kong GB - Dinky Kong & Dixie Kong (Japan) (Game Boy Color)
Donkey Kong GB - Dinky Kong & Dixie Kong (Japan) [T-En by Blaziken257 v1.2] (Game Boy Color)

C39-30A-E61 Invincibility
18A-97A-4CA Invincibility - Barrel (1 of 2)
10A-98A-A26 Invincibility - Barrel (2 of 2)
003-F6F-3BE Infinite Lives
00F-AFB-E6E Infinite Time - Bonus Round
AF8-96F-917 Multi-Jump (1 of 5)
368-95F-082 Multi-Jump (2 of 5)
3E8-75F-4CA Multi-Jump (3 of 5)
A58-8DF-7F8 Multi-Jump (4 of 5)
18B-7AF-4CA Multi-Jump (5 of 5)
3E3-D2F-4CA Press Start then Select to Beat Level (1 of 2)
182-6EA-6EA Press Start then Select to Beat Level (2 of 2)
00A-83B-3B6 Go to end Of Bonus Round to get Coin
005-CB9-802 Choose any Pair in Sheepy's Shop Memory Game
0AA-139-F7E Start a new game with 10 Lives, instead of 5
0FA-139-F7E Start a new game with 15 Lives
14A-139-F7E Start a new game with 20 Lives
0114A9FF Infinite Lives
0115EEC5 Infinite Time - Bonus Round

credit:

Mezmorize for Invincibility
nolberto82 for Start+Select Beat Level, Choose any Pair, get Bonus Round Coin, Invincibility - Barrel, and Multi-Jump

Konami GB Collection Vol.1 (Europe) (Game Boy Color)

C9F-5BA-081 Gradius (Nemesis) - Invincibility
003-129-E6E Gradius (Nemesis) - Infinite Lives
00A-56B-A29 Gradius (Nemesis) - Get Items from Anywhere
00B-B1B-A29 Gradius (Nemesis) - Hit Anywhere - Default Shot (1 of 2)
00B-A0B-A29 Gradius (Nemesis) - Hit Anywhere - Default Shot (2 of 2)
00C-6DB-A29 Gradius (Nemesis) - Hit Anywhere - Laser (1 of 2)
00C-5CB-A29 Gradius (Nemesis) - Hit Anywhere - Laser (2 of 2)
00C-DBB-A29 Gradius (Nemesis) - Hit Anywhere - Missiles (1 of 2)
00C-CAB-A29 Gradius (Nemesis) - Hit Anywhere - Missiles (2 of 2)
018-E6B-4C1 Gradius (Nemesis) - Power-up indicator doesn't reset (1 of 2)
018-EAB-4C1 Gradius (Nemesis) - Power-up indicator doesn't reset (2 of 2)
3E8-14B-081 Gradius (Nemesis) - Power-up destruction device any time (1 of 3)
058-15B-E60 Gradius (Nemesis) - Power-up destruction device any time (2 of 3)
008-16B-C4D Gradius (Nemesis) - Power-up destruction device any time (3 of 3)
3E8-14B-081 Gradius (Nemesis) - Power-up gun any time (1 of 3)
038-15B-E60 Gradius (Nemesis) - Power-up gun any time (2 of 3)
008-16B-C4D Gradius (Nemesis) - Power-up gun any time (3 of 3)
3E8-14B-081 Gradius (Nemesis) - Power-up force field any time (1 of 3)
068-15B-E60 Gradius (Nemesis) - Power-up force field any time (2 of 3)
008-16B-C4D Gradius (Nemesis) - Power-up force field any time (3 of 3)
3E8-14B-081 Gradius (Nemesis) - Power-up laser any time (1 of 3)
048-15B-E60 Gradius (Nemesis) - Power-up laser any time (2 of 3)
008-16B-C4D Gradius (Nemesis) - Power-up laser any time (3 of 3)
3E8-14B-081 Gradius (Nemesis) - Power-up missiles any time (1 of 3)
028-15B-E60 Gradius (Nemesis) - Power-up missiles any time (2 of 3)
008-16B-C4D Gradius (Nemesis) - Power-up missiles any time (3 of 3)
3E8-14B-081 Gradius (Nemesis) - Power-up speed burner any time (1 of 3)
018-15B-E60 Gradius (Nemesis) - Power-up speed burner any time (2 of 3)
008-16B-C4D Gradius (Nemesis) - Power-up speed burner any time (3 of 3)
006-9AA-E6E Probotector (Operation C) - Infinite Lives
C3B-FEE-919 Probotector (Operation C) - Hit Anywhere (1 of 3)
00B-E4E-91A Probotector (Operation C) - Hit Anywhere (2 of 3)
C6C-0FE-191 Probotector (Operation C) - Hit Anywhere (3 of 3)
E55-8EA-C4F Probotector (Operation C) - Multi-Jump (1 of 9)
005-8FA-B3F Probotector (Operation C) - Multi-Jump (2 of 9)
CD0-E5F-E6A Probotector (Operation C) - Multi-Jump (3 of 9)
290-E6F-E6A Probotector (Operation C) - Multi-Jump (4 of 9)
520-E7F-E6A Probotector (Operation C) - Multi-Jump (5 of 9)
CD0-E8F-E6A Probotector (Operation C) - Multi-Jump (6 of 9)
490-E9F-E6A Probotector (Operation C) - Multi-Jump (7 of 9)
550-EAF-E6A Probotector (Operation C) - Multi-Jump (8 of 9)
C90-EBF-E6A Probotector (Operation C) - Multi-Jump (9 of 9)
05C-C1F-E62 Probotector (Operation C) - Start with 5 Lives, instead of 2
09C-C1F-E62 Probotector (Operation C) - Start with 9 Lives
15C-C1F-E62 Probotector (Operation C) - Start with 15 Lives
25C-C1F-E62 Probotector (Operation C) - Start with 25 Lives
50C-C1F-E62 Probotector (Operation C) - Start with 50 Lives
75C-C1F-E62 Probotector (Operation C) - Start with 75 Lives
99C-C1F-E62 Probotector (Operation C) - Start with 99 Lives
019980C0 Gradius (Nemesis) - Infinite Lives
019988C8 Probotector (Operation C) - Infinite Lives

credit:

Galoob for Gradius Invincibility and Power-up codes
nolberto82 for Gradius Get Items from Anywhere and Hit Anywhere and Probotector Hit Anywhere and Multi-Jump

Konami GB Collection Vol.4 (Europe) (Game Boy Color)

EAE-9AB-081 Anarctic Adventure - Infinite Time
C95-EAB-E69 Castlevania II - Invincibility
2AE-EFE-6E2 Castlevania II - Infinite Health
008-24B-E6E Castlevania II - Infinite Hearts
008-B3A-E6E Castlevania II - Infinite Lives
2A3-CBA-6E2 Castlevania II - Infinite Time
00E-208-C4E Castlevania II - Hit Anywhere
872-A3B-E62 Castlevania II - Multi-Jump (1 of 7)
C82-A4B-E69 Castlevania II - Multi-Jump (2 of 7)
E62-A5B-19E Castlevania II - Multi-Jump (3 of 7)
102-A6B-C41 Castlevania II - Multi-Jump (4 of 7)
202-A7B-6E5 Castlevania II - Multi-Jump (5 of 7)
152-A8B-E67 Castlevania II - Multi-Jump (6 of 7)
C94-D8E-809 Castlevania II - Multi-Jump (7 of 7)
056-91E-E62 Castlevania II - Start with 5 Lives, instead of 2 (1 of 2)
EA6-95E-081 Castlevania II - Start with 5 Lives, instead of 2 (2 of 2)
096-91E-E62 Castlevania II - Start with 9 Lives (1 of 2)
EA6-95E-081 Castlevania II - Start with 9 Lives (2 of 2)
156-91E-E62 Castlevania II - Start with 15 Lives (1 of 2)
EA6-95E-081 Castlevania II - Start with 15 Lives (2 of 2)
256-91E-E62 Castlevania II - Start with 25 Lives (1 of 2)
EA6-95E-081 Castlevania II - Start with 25 Lives (2 of 2)
506-91E-E62 Castlevania II - Start with 50 Lives (1 of 2)
EA6-95E-081 Castlevania II - Start with 50 Lives (2 of 2)
756-91E-E62 Castlevania II - Start with 75 Lives (1 of 2)
EA6-95E-081 Castlevania II - Start with 75 Lives (2 of 2)
996-91E-E62 Castlevania II - Start with 99 Lives (1 of 2)
EA6-95E-081 Castlevania II - Start with 99 Lives (2 of 2)
C9A-00B-081 Gradius II - Invincibility
002-588-E6E Gradius II - Infinite Lives
FAB-3BB-4C1 Gradius II - Never Lose Powerup Space
3D3-3BB-C4B Gradius II - Hit Anywhere (1 of 4)
053-81A-E6E Gradius II - Hit Anywhere (2 of 4)
003-2EB-A29 Gradius II - Hit Anywhere (3 of 4)
003-1DB-A29 Gradius II - Hit Anywhere (4 of 4)
00E-DAB-C49 Gradius II - Autofire without pressing A (don't change control settings, leave rapid fire on)
055-F48-E62 Gradius II - Start with 5 Lives, instead of 2
095-F48-E62 Gradius II - Start with 9 Lives
155-F48-E62 Gradius II - Start with 15 Lives
255-F48-E62 Gradius II - Start with 25 Lives
505-F48-E62 Gradius II - Start with 50 Lives
755-F48-E62 Gradius II - Start with 75 Lives
995-F48-E62 Gradius II - Start with 99 Lives
025-DF8-E6E Gradius II - Start on Level 2
035-DF8-E6E Gradius II - Start on Level 3
045-DF8-E6E Gradius II - Start on Level 4
016325C5 Anarctic Adventure - Infinite Time
010D89CC Castlevania II - Infinite Health
019A86CC Castlevania II - Infinite Hearts
0199C5C8 Castlevania II - Infinite Lives
010D82CC Castlevania II - Infinite Time
019980C9 Gradius II - Infinite Lives

credit:

nolberto82 for Castlevania II Hit Anywhere and Multi-Jump and Gradius II Hit Anywhere
Galoob for Castlevania II Start with ?? Lives and Gradius II Autofire
Ugetab for Gradius II Invincibility and Never Lose Powerup Space

Legend of Zelda, The - Oracle of Ages (USA) (Game Boy Color)

006-EFB-3BE Infinite Health
001-90F-A2C Infinite Rupees

Legend of Zelda, The - Oracle of Seasons (USA) (Game Boy Color)

006-CEB-3BE Infinite Health
001-90F-A2C Infinite Rupees

Pokemon Pinball (USA) (SGB Enhanced) (Game Boy Color)

FAD-E7A-4C1 Infinite Balls
006-C5B-E6E Infinite Time

Pokemon Pinball (Europe) (En,Fr,De,Es,It) (SGB Enhanced) (Game Boy Color)

FA8-C2A-4C1 Infinite Balls
007-ECB-E6E Infinite Time

[terpsfan101]

PGA Tour Golf (USA, Europe) (v1.2)

AKPT-AA6G No penalty stroke for hitting ball in water hazard or out of bounds

PGA Tour Golf II (USA, Europe)

AKYT-AA3E No penalty stroke for hitting ball in water hazard or out of bounds

PGA European Tour (USA, Europe)

AV3T-AA82 No penalty stroke for hitting ball in water hazard or out of bounds

PGA Tour Golf III (USA, Europe)

AV6T-AA6C No penalty stroke for hitting ball in water hazard or out of bounds

PGA Tour Golf II (USA, Europe) (Game Gear)

3AA-E5E-2A2 No penalty stroke for hitting ball in water hazard or out of bounds

PGA Tour Golf (USA, Europe) (Game Gear)

3AB-7FE-2A2 No penalty stroke for hitting ball in water hazard or out of bounds

PGA Tour Golf (Europe) (Master System)

3AB-32E-2A2 No penalty stroke for hitting ball in water hazard or out of bounds

Fred Couples' Golf (USA) (Game Gear)

182-B0B-2AA No penalty stroke for hitting ball in water hazard or out of bounds

Golfamania (Europe) (Master System)

7E4-42C-3B7 No penalty stroke for hitting ball in water hazard or out of bounds

[terpsfan101]

Irem Skins Game, The (USA) (SNES)

C26A-0797 Always on same Stroke (Don't enable until after 1st stroke) (Disable for CPU)
C223-DF0D No Wind (Enable before the start of the next hole)
7E8168:01 P1 Always on 1st Stroke
7EBCEE:00 No Wind

[terpsfan101]

Street Fighter II' - Special Champion Edition (USA) (Genesis)

RYHT-A60W Disable Throws - Both Players
CMJT-DT08 No Charging required for most Special Moves
55FA-BBS2 Enable Debug Menu (Select Options on Title Screen)

Street Fighter II' Plus - Champion Edition (Asia) (Genesis)

AM9T-AA84 Infinite Time
RYHT-A60W Disable Throws - Both Players
CMKA-DTZN No Charging required for most Special Moves
55FT-BBL6 Enable Debug Menu (Select Options on Title Screen)

credit:

Chemist for Disable Throws,
Galoob for No Charging
https://tcrf.net/Street_Fighter_II:_...tion_(Genesis) for Enable Debug Menu

Super Street Fighter II (USA) (Genesis)

AM8A-AA6C Infinite Time - Time Challenge
04TT-BW8A Enable Debug Menu (Select Options on Title Screen)

Super Street Fighter II - The New Challengers (Japan) (Genesis)

AM8T-AA7W Infinite Time
RYMT-A6W8 Disable Throws - Both Players
CMPA-DTYW No Charging required for most Special Moves
7WVA-BW4N Enable Debug Menu (Select Options on Title Screen)

credit:

Chemist for Disable Throws,
Galoob for No Charging
https://tcrf.net/Super_Street_Fighte...gers_(Genesis) for Enable Debug Menu

[terpsfan101]

Super Street Fighter II (USA) (Genesis)

RHLA-E6X8 Choose Same Character up to 8 Times in Group Mode (1 of 2)
RHLT-A6X8 Choose Same Character up to 8 Times in Group Mode (2 of 2)

Super Street Fighter II - The New Challengers (Japan) (Genesis)

RHLT-E61G Choose Same Character up to 8 Times in Group Mode (1 of 2)
RHLT-A610 Choose Same Character up to 8 Times in Group Mode (2 of 2)

[terpsfan101]

Super Mario Bros. 2 (USA)

SZUPLNVK Infinite sub-space time

Super Mario Bros. 2 (USA) (Rev A)

SZUPYNVK Infinite sub-space time
NTEPPNEG POW Boxes Keep 'POW'ing
GXKAOIEY Hawkeye at end of level always open

credit:
Ugetab POW Boxes keep POWing
nolberto82 for Hawkeye always open

[terpsfan101]

Super Mario Bros. (World) (NES)

AEESVATA Invincibility (Starman effect)
SEEULGSZ Multi-Jump

8 character Game Genie codes derived from 6 character codes (All were tested and all work):

ESOOULEY Mostly No Pits
OZVLLXPK Stay Big Mario after being hit (1 of 3)
AAVLGZPA Stay Big Mario after being hit (2 of 3)
SZUIVOSE Stay Big Mario after being hit (3 of 3)
AEEENVZG High-Jump (also farther when normal running)
AEVLTGKU Moon-Jump (Hold jump to go higher, release to come back down)
APXLGGAX Super-jump from a standing start only
TPXLTKTP Super-jump from running only
GPXUAKAZ Super-jump from turbo running only
APXLGGAZ Mega-jump from a standing start only
APXLTKTP Mega-jump from running only
GAXUAKAZ Mega-jump from turbo running only
YAXULGAY Moon Gravity from a standing start
YAXUIGAT Moon Gravity from a running start
YAXUYGEP Moon Gravity from turbo running only
GISIVYAA Walk thru pipes and blocks
SNEULAVT Control Mario in entrances that lead to underground
ASVETANO Night Mode
GAVOZAZA Start with 5 lives - both players
TAVOZAZA Start with 7 lives - both players
AAVOZAZE Start with 9 lives - both players
YSEOPAEX Start on World 2 (1 of 3)
YEEOZALA Start on World 2 (2 of 3)
PEEPYENY Start on World 2 (3 of 3)
YSEOPAEX Start on World 3 (1 of 3)
YEEOZALA Start on World 3 (2 of 3)
ZEEPYENY Start on World 3 (3 of 3)
YSEOPAEX Start on World 4 (1 of 3)
YEEOZALA Start on World 4 (2 of 3)
LEEPYENY Start on World 4 (3 of 3)
YSEOPAEX Start on World 5 (1 of 3)
YEEOZALA Start on World 5 (2 of 3)
GEEPYENY Start on World 5 (3 of 3)
YSEOPAEX Start on World 6 (1 of 3)
YEEOZALA Start on World 6 (2 of 3)
IEEPYENY Start on World 6 (3 of 3)
YSEOPAEX Start on World 7 (1 of 3)
YEEOZALA Start on World 7 (2 of 3)
TEEPYENY Start on World 7 (3 of 3)
YSEOPAEX Start on World 8 (1 of 3)
YEEOZALA Start on World 8 (2 of 3)
YEEPYENY Start on World 8 (3 of 3)
YSEOPAEX Start on Minus World (1 of 3)
YEEOZALA Start on Minus World (2 of 3)
LXEPYENY Start on Minus World (3 of 3)

credit:

Rick L for No Pits
Cyperium for Night Mode
Unknown for Walk thru pipes and blocks
Tony Hedstrom for High-Jump (also farther when normal running) and Moon-Jump (Hold jump to go higher, release to come back down)
Galoob for Stay Big Mario after Hit, Super-Jump, Mega-Jump, Moon-Gravity, Start with ?? Lives, and Start on World ??

[terpsfan101]

Gradius (USA) (NES)

GKSGTPSX Invincibility (1 of 3)
KKSGYOLP Invincibility (2 of 3)
XKSKAOOG Invincibility (3 of 3)

credit: Ugetab

Note: Ugetab's Invincibility cheat in the database is for Gradius (PC10), not this version.

[terpsfan101]

Chrono Trigger (USA) (SNES)

826A-E70B Infinite Item Use

[terpsfan101]

Speedball 2 - Brutal Deluxe (USA)

92BT-AR2L Regional Lockout Bypass
RGHT-A6V8 Can't Score - Both Teams
RGDT-A6ZN Infinite Time
AVTT-AA94 Infinite Money - Both Players (1 of 2)
AVWT-AA4C Infinite Money - Both Players (2 of 2)
2T1A-AWHT Start with $2500, instead of $1100 - Both Players
VA1A-BGHT Start with $5000 - Both Players
CA1A-ARST Start with $10000 - Both Players
961A-B89T Start with $32767 - Both Players

Speedball 2 (Europe)

92BT-AN2L Regional Lockout Bypass
RGHT-A6ZC Can't Score - Both Teams
RGEA-A6TG Infinite Time
AVVA-AA3W Infinite Money - Both Players (1 of 2)
AVWT-AA54 Infinite Money - Both Players (2 of 2)
2T1A-AWH2 Start with $2500, instead of $1100 - Both Players
VA1A-BGH2 Start with $5000 - Both Players
CA1A-ARS2 Start with $10000 - Both Players
961A-B892 Start with $32767 - Both Players

Speedball 2 (Japan)

RGHT-A6ZL Can't Score - Both Teams
RGEA-A6TR Infinite Time
AVVA-AA34 Infinite Money - Both Players (1 of 2)
AVWT-AA6C Infinite Money - Both Players (2 of 2)
2T1T-AWAA Start with $2500, instead of $1100 - Both Players
VA1T-BGAA Start with $5000 - Both Players
CA1T-ARJA Start with $10000 - Both Players
961T-B82A Start with $32767 - Both Players

credit Tony Hedstrom for Regional Lockout Bypass codes

Speedball 2 - Brutal Deluxe (USA)
Speedball 2 (Europe)
Speedball 2 (Japan)

FF00FA:7FFF Infinite Money - Both Players
FF009F:005A Infinite Time
FF009E:0030 Freeze Timer
FF0DEE:0000 P1 Score Multiplier 1x
FF0DEE:0001 P1 Score Multiplier 1.5x
FF0DEE:0002 P1 Score Multiplier 2x
FF0DEF:0000 P2 Score Multiplier 1x
FF0DEF:0001 P2 Score Multiplier 1.5x
FF0DEF:0002 P2 Score Multiplier 2x
FFD5AA:0008 Electro Mode
FF0DDA:xxxx P1 Score Modifier (0000-03E7)
FF0DDC:xxxx P2 Score Modifier (0000-03E7)

[terpsfan101]

Death Race (USA) (Unl) (NES)

SLSEEXSO Infinite Money - Both Players (1 of 4)
SLSEVXSO Infinite Money - Both Players (2 of 4)
SUVASOSO Infinite Money - Both Players (3 of 4)
SUVEVOSO Infinite Money - Both Players (4 of 4)
SLEKOSVS Infinite Missiles - Both Players
SZNVOEVK Infinite Time
067E:09 Infinite Time (1 of 2)
067F:09 Infinite Time (2 of 2)

Vs. Excitebike (Japan) (FDS)

SXUAXZVT Infinite Time (Original Mode)
SXVEVNVV Never Overheat (Original Mode)

Rad Racer II (USA) (NES)

SXVVVYVG Infinite Time

Rad Racer (USA) (NES)

SZUSUTVG Infinite Time

TwinBee 3 - Poko Poko Daimaou (Japan) (NES)
TwinBee 3 - Poko Poko Daimaou (Japan) [T-En by Stardust Crusaders v1.01] (NES)

SZUOIZVS Infinite Lives - Both Players

Super Turrican (Europe) (NES)

SXEGVSVK Infinite Health
SXEGLVVK Infinite Lives

Micro Machines (USA) (Unl) (NES)

SXXYIVSE Infinite Time in Ruff Trux Time Trial

Micro Machines (USA) (Aladdin Compact Cartridge) (Unl) (NES)

SZEXISSE Infinite Time in Ruff Trux Time Trial

[terpsfan101]

Shining Force Gaiden - Final Conflict (Japan)
Shining Force Gaiden - Final Conflict (Japan) [T-En by Shining Force Central v20060707]

8C6-ABB-E60 Quick level gain
B7A-75E-3B6 Move Anywhere

credit: nolberto82's codes from Shining Force II - The Sword of Hajya

[terpsfan101]

Nangoku Shounen Papuwa-kun (Japan) (SNES)
Nangoku Shounen Papuwa-kun (Japan) [T-En by FH v1.0b] [i] (SNES)

826C-3DD9 Infinite Health
C26C-170D Infinite Lives
C26C-4DD1 Infinite Special