Game Boy

Milon's Secret Castle (USA, Europe) · 16 cheats

Miner 2049er Starring Bounty BobUSA · 17 cheats

Minesweeper - SoukaiteiJAP · 2 cheats

Mini 4 Boy II (SGB Enhanced)JAP · 3 cheats

Mini-PuttJAP · 1 cheats

Missile Command (USA, Europe) · 19 cheats

Missile Command (USA, Europe) (Xploder) · 2 cheats

Mogura de Pon!JAP · 19 cheats

Mole Mania (USA, Europe) · 10 cheats

Mole Mania (USA, Europe) (SGB Enhanced) · 20 cheats

Momotarou Collection (SGB Enhanced)JAP · 1 cheats

Momotarou DengekiJAP · 2 cheats

Momotarou Dengeki (J) [T+Eng0.91_Toma]JAP · 2 cheats

Momotarou Dengeki 2 (SGB Enhanced)JAP · 2 cheats

MonopolyUSA · 5 cheats

Monster Max (En,Fr,De,Es,It,Nl)EUR · 5 cheats

Monster Rancher ExplorerUSA · 3 cheats

Monster Rancher Explorer (Xploder)USA · 6 cheats

Monster Truck Wars (USA, Europe) · 1 cheats

Montezuma's Return! (En,Fr,De,Es,It)EUR · 5 cheats

Montezuma's Return! (Xploder)EUR · 1 cheats

Mortal Kombat · 51 cheats

Mortal Kombat (USA, Europe) · 69 cheats

Mortal Kombat 3USA · 40 cheats

Mortal Kombat 3 (USA, Europe) · 12 cheats

Mortal Kombat II (USA, Europe) · 105 cheats

Motocross ManiacsUSA · 25 cheats

Motocross Maniacs (Xploder) · 2 cheats

Mouse Trap HotelUSA · 11 cheats

Mr. Chin's Gourmet ParadiseUSA · 12 cheats

Mr. Do!USA · 8 cheats

Mr. Do! (USA, Europe) · 6 cheats

Mr. NutzEUR · 5 cheats

Ms. Pac-ManEUR · 17 cheats

Ms. Pac-Man (USA, Europe) · 1 cheats

MT

MTV Sports - Skateboarding featuring Andy MacDonald (USA, Europe) · 4 cheats

Mulan (USA, Europe) · 3 cheats

Mu

Mulan (USA, Europe) (SGB Enhanced) · 8 cheats

MysteriumUSA · 7 cheats

Mysterium (USA, Japan) · 6 cheats

Mystic QuestEUR · 2 cheats

Mystical Ninja Starring Goemon (SGB Enhanced)USA · 10 cheats

Mystical Ninja Starring Goemon (USA, Europe) · 6 cheats

Nail 'n Scale (USA, Europe) · 11 cheats

Na

Namco Gallery Vol.1 (SGB Enhanced)JAP · 18 cheats

Namco Gallery Vol.2 (SGB Enhanced)JAP · 6 cheats

Navy SEALs (USA, Europe) · 33 cheats

NBA All Star Challenge 2 · 6 cheats