| Matantei Loki Ragnarok (J)(Rising Sun) | |
| Matchbox - Cross Town Heroes (E)(Patientz) | |
| Matchbox - Cross Town Heroes (U)(Venom) | |
| Math Patrol - The Kleptoid Threat (U)(Sir VG) | |
| Mawaru Made in Wario (J)(WRG) | |
| Max Payne (U)(Mode7) | |
| Max Payne Advance (E)(Rising Sun) | |
| Maya the Bee - The Great Adventure (E)(Venom) | |
| Maya The Bee (E)(Endless Piracy) | |
| Mazes of Fate (U)(Rising Sun) | |
| Mech Platoon (E)(Eurasia) | |
| Mech Platoon (U)(Dumper) | |
| Medabots - Metabee Version (E)(GBATemp) | |
| Medabots - Metabee Version (U)(Oldskool) | |
| Medabots - Rokusho Version (E)(GBATemp) | |
| Medabots - Rokusho Version (U)(Independent) | |
| Medabots AX - Metabee Version (E)(Rising Sun) | |
| Medabots AX - Metabee Version (U)(Venom) | |
| Medabots AX - Rokusho Version (E)(Patience) | |
| Medabots AX - Rokusho Version (U)(Venom) | |
| Medal of Honor - Infiltrator (J)(Rising Sun) | |
| Medal of Honor - Infiltrator (U)(Venom) | |
| Medal of Honor - Underground (E)(Patience) | |
| Medal of Honor - Underground (E)(Sir VG) | |
| Medal of Honor - Underground (U)(Mode7) | |
| Medarot 2 Core - Kuwagata Version (J)(Mugs) | |
| Medarot 2 Core Kabuto Version (J)(Mugs) | |
| Medarot G - Kabuto Version (J)(Chakky) | |
| Medarot G - Kuwagata Version (J)(Independent) | |
| Medarot Navi - Kabuto Version (J)(Eurasia) | |
| Medarot Navi - Kuwagata Version (J)(Eurasia) | |
| Meet the Robinsons (E)(sUppLeX) | |
| Meet the Robinsons (U)(Rising Sun) | |
| Mega Man Battle Chip Challenge (Virtual Console) | |
| Mega Man Battle Network (Virtual Console) | |
| Mega Man Battle Network 2 (Virtual Console) | |
| Mega Man Battle Network 3 Blue Version (Virtual Console) | |
| Mega Man Battle Network 3 White Version (Virtual Console) | |
| Mega Man Battle Network 4 Blue Moon (Virtual Console) | |
| Mega Man Battle Network 4 Red Sun (Virtual Console) | |
| Mega Man Battle Network 5 Team Colonel (Virtual Console) | |
| Mega Man Battle Network 5 Tea | |
| m ProtoMan (Virtual Console) | |
| Mega Man Battle Network 6 Cybeast Falzar (Virtual Console) | |
| Mega Man Battle Network 6 Cybeast Gregar (Virtual Console) | |
| Mega Man in Sonic Battle | |
| Mega Man X in Sonic Battle | |
| Mega Man Zero 2 Restoration | |
| Mega Man Zero 2 Revisited (antigrind) | |
| Mega Man Zero 2 Revisited (easyexskill) | |
| Mega Man Zero 2 Revisited (elf penalty) | |