| Monster Lab (Europe) (En,Fr,De,Es,It) | |
| Monster Lab (USA) (En,Fr,De,Es,It) | |
| Monster Mayhem - Build and Battle (USA) | |
| Monster Puzzle (Europe) | |
| Monster Racers (Japan) | |
| Monster Racers (USA) (En,Fr,Es) | |
| Monster Rancher DS (USA) | |
| Monster Trucks DS (Europe) (En,Fr,De) | |
| Monster Trucks DS (USA) | |
| Monsters vs Aliens (Europe) (En,Fr,Nl,Sv) | |
| Monsters vs Aliens (Europe) (Es,It) | |
| Monsters | |
| vs Aliens (Germany) | |
| Monsters vs Aliens (USA) (En,Fr) | |
| Moomin-dani no Okurimono (Japan) | |
| Moon (Europe) (En,Fr,De,Es,It) | |
| Moon (USA) | |
| Moorhuhn - Jewel of Darkness (Europe) (En,Fr,De) | |
| Moorhuhn - Star Karts (Europe) (En,Fr,De,Es,It) | |
| Moorhuhn Adventure - The Pharaoh's Treasure (Europe) (En,Fr,De,Es,It) | |
| Moorhuhn DS (Europe) (En,Fr,De,Es,It,Nl) | |
| Moorhuhn Jump'n Run - Atlantis (Europe) (En,Fr,De,Es,It) | |
| More Brain Training from Dr Kawashima - How Old Is Your Brain (Europe) (En,Fr,De,Es,It,Nl) | |
| More Super Mario Bras. | |
| More Super Mario Bras. 2 | |
| More Super Mario Bros. Hack Domain Infusion | |
| More TouchMaster (Europe) (En,Fr,De,Es,It) | |
| Mori no Cafeteria DS - Oshare na Cafe Recipe (Japan) | |
| Morinaga Takurou Kanshuu - Okane no Shin Joushiki DS Training (Japan) | |
| Moshimo! Kinen Surunara... (Japan) | |
| Moshimo! Saibanin ni Erabaretara... (Japan) | |
| Moto Racer DS - Moto GP, Traffic, Super Cross, Freestyle (Europe) (En,Fr,De,Es,It) | |
| Mots Croises (France) | |
| Mots Croises 2 (France) | |
| Motto Hayaku! Seikaku ni! - Kazu Sense, Keisanryoku Up Training - Suutore (Japan) | |
| Motto Me de Unou o Kitaeru - DS Sokudoku Jutsu (Japan) | |
| Motto TOEIC Test DS Training (Japan) | |
| Motto! Stitch! DS - Rhythm de Rakugaki Daisakusen (Japan) | |
| Mouse DS (Europe) (En,Fr,De,Es,It) | |
| Moyashimon DS - Tales of Agriculture (Japan) | |
| Mr Bean (Europe) (En,Fr,De,Es,It,Nl,Pt,Sv,No,Da,Fi) | |
| Mr. Driller - Drill Spirits (Europe) | |
| Mr. Driller - Drill Spirits (Japan) | |
| Mr. Driller - Drill Spirits (USA) | |
| Mr. Incredible - Kyouteki Underminer Toujou (Japan) | |
| Mr. Slime Jr. (Europe) (En,Fr,De,Es,It,Nl,Sv,No,Da) | |
| Mr. Slime Jr. (Germany) | |
| MTV Fan Attack (Europe) (En,Fr,De,Es,It) | |
| MTV Fan Attack (Europe) (En,Nl,Sv,No,Da) | |
| Mugen K | |
| ouro (Japan) | |