| Magi Nation (USA) | |
| Magical Chase GB - Minarai Mahoutsukai Kenja no Tani e (Japan) | |
| Magical Chase GB - Minarai Mahoutsukai Kenja no Tani e (Japan) [En by Gaijin v1.0] | |
| Magical Drop (Europe) (En,Fr,De) | |
| Magical Drop (USA) | |
| Magical Tetris Challenge (Europe) (En,Fr,De,Es,It,Nl,Sv) | |
| Magical Tetris Challenge (Europe) (En,Fr,De,Es,It,Nl,Sv) (Rev A) | |
| Magical Tetris Challenge (USA) | |
| Mahjong Joou (Japan) | |
| Mahjong Quest (Japan) | |
| Majokko Mari-chan no Kisekae Monogatari (Japan) | |
| Marble Madness (USA) | |
| Marie no Atelier GB (Japan) | |
| Marvin Strikes Back! (USA) (En,Fr,Es) | |
| Mary-Kate & Ashley - Get a Clue! (USA, Europe) | |
| Mary-Kate and Ashley - Crush Course (USA) | |
| Mary-Kate and Ashley - Pocket Planner (USA) | |
| Mary-Kate and Ashley - Winners Circle (USA) | |
| Mask of Zorro, The (Europe) | |
| Mask of Zorro, The (USA) | |
| Mat Hoffman's Pro BMX (USA) | |
| Matchbox Emergency Patrol (USA) | |
| Maus, Die - Verrueckte Olympiade (Germany) | |
| Maus, Die (Europe) (En,Fr,De,Es) | |
| Maya the Bee - Garden Adventures (Europe) (En,Fr,De,Es) | |
| Maya the Bee & Her Friends (Europe) (En,Fr,De,Es) | |
| McDonald's Monogatari - Honobono Tenchou Ikusei Game (Japan) | |
| Medarot 2 - Kabuto Version (Japan) | |
| Medarot 2 - Kuwagata Version (Japan) | |
| Medarot 2 - Parts Collection (Japan) | |
| Medarot 3 - Kabuto Version (Japan) | |
| Medarot 3 - Kuwagata Version (Japan) | |
| Medarot 3 - Parts Collection - Z Kara no Chousenjou (Japan) | |
| Medarot 4 - Kabuto Version (Japan) | |
| Medarot 4 - Kuwagata Version (Japan) | |
| Medarot 5 - Susutake Mura no Tenkousei - Kabuto Version (Japan) | |
| Medarot 5 - Susutake Mura no Tenkousei - Kuwagata Version (Japan) | |
| Medarot Cardrobottle - Kabuto Version (Japan) | |
| Medarot Cardrobottle - Kuwagata Version (Japan) | |
| Mega Man World: Dr. Wily's Revenge GBC | |
| Mega Man Xtreme 2 - Refill Weapon after Death | |
| Mega Man Xtreme 2 - Shared Health Upgrades | |
| Mega Man Xtreme 2 - Shared Weapon Unlocks | |
| Mega Man Xtreme 2 - Xtreme Mode | |
| Megaman Xtreme (USA) | |
| Megaman Xtreme 2 (USA, Europe) | |
| Megami Tensei Gaiden - Last Bible (Japan) | |
| Megami Tensei Gaiden - Last Bible II (Japan) | |
| Megami Tensei Gaiden - Last Bible II (Japan) [En by EsperKnight v1.0] | |
| Meitantei Conan - Karakuri Jiin Satsujin Jiken (Japan) | |