| Minna no Mahjong (J)(Rising Sun) | |
| Minna No Ojisama (J)(Rising Sun) | |
| Minna no Soft Series - Happy Trump 20 (J)(Independent) | |
| Minna no Soft Series - Minna no Shogi (J)(Caravan) | |
| Minna no Soft Series Numpla Advance (J)(Caravan) | |
| Minority Report (U)(Venom) | |
| Mirakuru! Panzou - 7 Tsuno Hosh no Kaizoku (J)(Independent) | |
| Mission Impossible - Operation Surma (E)(Rising Sun) | |
| Mission Impossible - Operation Surma (U)(TrashMan) | |
| Miteluode - Lingdian Renwu (C)(WRG) | |
| Miteluode Ronghe (C)(WRG) | |
| MLB SlugFest 20-04 (U)(Eurasia) | |
| Mobile Pro Baseball (J)(Eurasia) | |
| Model ZX in Sonic Battle | |
| Moemon Bonds | |
| Moemon Deer Version (Fire Red Hack) | |
| Moero Jaleco Collection (J)(Rising Sun) | |
| Momotarou Densetsu G - Gold Deck wo Tsukure! (J)(Independent) | |
| Momotarou Matsuri (J)(Rapid Fire) | |
| Monopoly (E)(Rising Sun) | |
| Monopoly (U)(Rising Sun) | |
| Monster Bass Fishing (E)(Independent) | |
| Monster Bass Fishing (U)(Venom) | |
| Monster Farm Advance (J)(Cezar) | |
| Monster Farm Advance 2 (J)(Chakky) | |
| Monster Force (E)(LightForce) | |
| Monster Force (U)(Eurasia) | |
| Monster Gate (J)(Independent) | |
| Monster Gate 2 - Dai Inaru Dungeon (J)(Rising Sun) | |
| Monster Guardians (J)(Rapid Fire) | |
| Monster House (E)(Rising Sun) | |
| Monster House (E)(Sir VG) | |
| Monster House (U)(Rising Sun) | |
| Monster Jam - Maximum Destruction (E)(Independent) | |
| Monster Jam - Maximum Destruction (U)(Venom) | |
| Monster Maker 4 - Flash Card (J)(Cezar) | |
| Monster Maker 4 - Kira Dice (J)(Cezar) | |
| Monster Rancher Advance (U)(Mode7) | |
| Monster Rancher Advance 2 (U)(Venom) | |
| Monster Summoner (J)(Caravan) | |
| Monster Truck Madness (U)(Mode7) | |
| Monster Trucks (U)(Rising Sun) | |
| Monster Trucks Mayhem (E)(sUppLeX) | |
| Monster Trucks Mayhem (U)(Sir VG) | |
| Monsters Inc. (E)(Patience) | |
| Monsters Inc. (E)(Rising Sun) | |
| Monsters Inc. (J)(Independent) | |
| Monsters Inc. (U)(Mode7) | |
| Moorhen 3 - Chicken Chase (E)(Venom) | |
| Morita Shogi Advance (J)(Cezar) | |