| Major League Baseball 2K7 (USA) | |
| Major League Baseball 2K8 - Fantasy All-Stars (USA) (En,Fr,Es) | |
| Major League Baseball 2K9 - Fantasy All-Stars (USA) (En,Fr,Es) | |
| Makai Senki Disgaea - Makai no Ouji to Akai Tsuki (Japan) | |
| Make 10 - A Journey of Numbers (Europe) (En,Fr,De,Es,It) | |
| Make-up Paradise (Korea) | |
| Makeup Princess (Korea) | |
| Malediction de Toutankhamon, La - Enigmes & Objets Caches (France) | |
| Mallangmallang Dunoegyosil (Korea) | |
| Mamegoma - Honobono Nikki (Japan) | |
| Mamegoma 2 - Uchi no Ko ga Ichiban! (Japan) | |
| Mamegoma 3 - Kawaii ga Ippai! (Japan) | |
| Manepa 1000 Mannin no FX Training (Japan) | |
| Manga-ka Debut Monogatari DS - Akogare! Manga-ka Ikusei Game (Japan) | |
| Manga-ka Debut Monogatari DS - Akogare! Manga-ka Ikusei Game (Japan) (Rev 1) | |
| Manjyeora - Made in Wario (Korea) | |
| MapleStory DS (Korea) | |
| March of the Penguins (Europe) (En,Fr,De,Es,It) | |
| March of the Penguins (USA) | |
| Margot's Bepuzzled! (Europe) (En,Fr,De,Es,It) | |
| Margot's Word Brain (Europe) (En,Fr,De,Es,It) | |
| Margot's Word Brain (USA) (En,Fr,Es) | |
| Marie & Gali no Let's Science (Japan) | |
| Marie-Antoinette and the American War of Independence - Episode 1 - The Brotherhood of the Wolf (Europe) (En,Fr,De,Es,It) | |
| Mario & Luigi - Partners in Time Hard Mode 1.0 | |
| Mario & Luigi RPG - Siganui Partner (Korea) | |
| Mario Kart 0 | |
| Mario Kart DS - CTGP Nitro 1.0.0 | |
| Mario Kart DS (Europe) (Demo) (Kiosk) | |
| Mario Kart DS N64 Circuit | |
| Mario vs. Donkey Kong - Mini-Land Mayhem! (Europe) (En,Fr,De,Es,It) (NDSi Enhanced) | |
| Mario vs. Donkey Kong - Totsugeki! Mini-Land (Japan) (NDSi Enhanced) | |
| Mariowa Sonic - Beijing Olympic (Korea) | |
| Mariowa Sonic - Vancouver Donggye-olympic (Korea) | |
| Marker Man Adventures (USA) | |
| Marl Oukoku no Ningyou Hime - Tenshi ga Kanaderu Ai no Uta (Japan) | |
| Martin Mystery (Europe) (En,Fr,De,Es,It) | |
| Maru Goukaku Shikaku Dasshu! - FP Ginou Kentei Shiken 2-kyuu, 3-kyuu (Japan) | |
| Maru Goukaku Shikaku Dasshu! - Gyouseishoshi Shiken (Japan) | |
| Maru Goukaku Shikaku Dasshu! - Hanbaishi Kentei Shiken 2-kyuu, 3-kyuu (Japan) | |
| Maru Goukaku Shikaku Dasshu! - IT Passport Shiken, Kihon Jouhou Gijutsusha Shiken, Ouyou Jouhou Gijutsusha Shiken (Japan) | |
| Maru Goukaku Shikaku Dasshu! - TAC Koumuin Shiken (Japan) | |
| Maru Kaite Don Don Oboeru - Kyoui no Tsugawa Shiki Kanji Kiokujutsu - Kiso Gakushuu Hen (Japan) | |
| Maru K | |
| aite Don Don Oboeru - Kyoui no Tsugawa Shiki Kanji Kiokujutsu (Japan) | |
| Maruhan Pachinko & Pachi-Slot Hisshou Guide Kyouryoku - The Pachinko Hall (Japan) | |
| Marvel - Ultimate Alliance 2 (Europe) | |
| Marvel - Ultimate Alliance 2 (USA) | |
| Marvel Nemesis - Rise of the Imperfects (Europe) (En,Fr,De) | |
| Marvel Nemesis - Rise of the Imperfects (USA) | |
| Marvel Super Hero Squad - The Infinity Gauntlet (Europe) (De,It) | |