| Name | Size | DLs |
|---|
| Maboroshi Tsukiyo (Japan) | 526.31 mb | 82 |
| Maboroshi Tsukiyo (Japan) (Taikenban) | 500.34 mb | 52 |
| Macross M3 (Japan) | 486.47 mb | 622 |
| Macross M3 (Japan) (Demo) | 310.08 mb | 42 |
| MagForce Racing (Europe) (En,Fr,De,Es,It) | 305.25 mb | 5985 |
| MagForce Racing (USA) (En,Fr,De,Es,It) | 420.60 mb | 4931 |
| Magic - The Gathering (Japan) | 424.67 mb | 5208 |
| Magic Pockets (USA, Japan) (Unl) | 43.71 mb | 95 |
| Mahjong Taikai II Special (Japan) | 225.96 mb | 59 |
| Majo no Ocha-kai (Japan) | 564.20 mb | 67 |
| Maken X (Europe) (En,Fr,De,Es) | 518.04 mb | 102 |
| Maken X (Japan) | 508.97 mb | 4856 |
| Maken X (USA) | 510.86 mb | 9684 |
| Maqiupai (USA) (Unl) | 104.63 mb | 109 |
| Margi - Marginal (Japan) | 902.70 mb | 75 |
| Marie & Elie no Atelier - Salburg no Renkinjutsushi 1 & 2 (Japan) (Game Disc) | 478.32 mb | 72 |
| Marie & Elie no Atelier - Salburg no Renkinjutsushi 1 & 2 (Japan) (Game Disc) (Rev A) | 478.28 mb | 59 |
| Marie & Elie no Atelier - Salburg no Renkinjutsushi 1 & 2 (Japan) (Omake Disc) | 225.26 mb | 54 |
| Marie & Elie no Atelier - Salburg no Renkinjutsushi 1 & 2 (Japan) (Omake Disc) (Rev A) | 225.21 mb | 60 |
| Marionette Company (Japan) | 390.09 mb | 78 |
| Marionette Company 2 Chu! (Japan) | 444.30 mb | 83 |
| Marionette Handler (Japan) | 308.38 mb | 76 |
| Marionette Handler 2 (Japan) | 234.73 mb | 77 |
| Mars Matrix (Japan) (En,Ja) | 299.24 mb | 135 |
| Mars Matrix (USA) | 249.53 mb | 8309 |
| Marvel vs. Capcom - Clash of Super Heroes (Europe) | 293.53 mb | 9962 |
| Marvel vs. Capcom - Clash of Super Heroes (Japan) | 284.10 mb | 16174 |
| Marvel vs. Capcom - Clash of Super Heroes (Japan) (Tentou Taikenban) | 284.00 mb | 61 |
| Marvel vs. Capcom - Clash of Super Heroes (USA) | 283.88 mb | 17014 |
| Marvel vs. Capcom 2 - New Age of Heroes (Europe) | 159.77 mb | 398 |
| Marvel vs. Capcom 2 - New Age of Heroes (Japan) | 153.26 mb | 291 |
| Marvel vs. Capcom 2 (USA) | 152.97 mb | 1170 |
| Mat Hoffman's Pro BMX (USA) | 760.74 mb | 178 |
| Max Steel - Covert Missions (USA) | 542.87 mb | 9586 |
| Maximum Pool (USA) | 335.70 mb | 5900 |
| MDK2 (Europe) (En,Fr,De,Es,It) | 739.04 mb | 5791 |
| MDK2 (USA) | 727.15 mb | 8630 |
| Mei Puru (Japan) | 679.84 mb | 68 |
| Memories Off 2nd - Making Disc (Japan) | 645.97 mb | 59 |
| Memories Off 2nd - Promotion Disc (Japan) | 248.22 mb | 53 |
| Memories Off 2nd (Japan) | 831.01 mb | 72 |
| Memories Off Complete (Japan) | 533.74 mb | 74 |
| Mercurius Pretty - End of the Century (Japan) | 941.61 mb | 92 |
| Metal Wolf (Japan) | 511.60 mb | 125 |
| Microsoft WebTV Setsuzoku Kit (Japan) | 98.25 mb | 43 |
| Microsoft WebTV Setsuzoku Kit (Japan) (128bit SSL Taiouban) | 98.33 mb | 43 |
| Midway's Greatest Arcade Hits - Volume 1 (Europe) | 29.29 mb | 70 |
| Midway's Greatest Arcade Hits - Volume 1 (USA) | 29.24 mb | 133 |
| Midway's Greatest Arcade Hits - Volume 2 (USA) | 168.55 mb | 190 |
| Milky Season (Japan) | 809.95 mb | 77 |
| Millennium Soldier - Expendable (Europe) (En,Fr,De,Es,It) | 553.31 mb | 15139 |
| Miss Moonlight (Japan) | 660.14 mb | 74 |
| Missing Parts - The Tantei Stories (Japan) | 599.18 mb | 4363 |
| Missing Parts 2 - The Tantei Stories (Japan) | 692.85 mb | 4298 |
| Missing Parts 3 - The Tantei Stories (Japan) | 731.35 mb | 73 |
| Mizuiro (Japan) | 872.43 mb | 86 |
| Moekan (Japan) | 782.86 mb | 75 |
| Moero! Justice Gakuen (Japan) | 878.67 mb | 197 |
| Moero! Justice Gakuen (Japan) (Demo) | 882.55 mb | 42 |
| MoHo (Europe) (En,Fr,De) | 600.21 mb | 80 |
| Monaco Grand Prix (USA) | 633.86 mb | 175 |
| Monaco Grand Prix Racing Simulation 2 (Japan) | 319.70 mb | 5131 |
| Morita no Saikyou Reversi (Japan) | 54.24 mb | 51 |
| Morita no Saikyou Reversi (Japan) (Tentou Taikenban) | 54.24 mb | 37 |
| Morita no Saikyou Shougi (Japan) | 42.43 mb | 55 |
| Mortal Kombat Gold (Europe) | 594.60 mb | 7293 |
| Mortal Kombat Gold (USA) | 594.53 mb | 17851 |
| Mortal Kombat Gold (USA) (Rev 1) | 594.60 mb | 331 |
| Motto Pro Yakyuu Team o Tsukurou! (Japan) | 437.44 mb | 67 |
| MP3 DC - Use MP3 Audio CD's on Your Dreamcast (Europe) (Unl) | 588.71 mb | 38 |
| MP3 DC - Use MP3 Audio CD's on Your Dreamcast (USA) (Unl) | 588.40 mb | 50 |
| MP3 DC - Use MP3 Audio CD's on Your Dreamcast (USA) (Unl) (Pelican Accessories) | 590.11 mb | 43 |
| Mr. Driller (Europe) (En,Fr,De,Es,It) | 363.84 mb | 4068 |
| Mr. Driller (Japan) | 379.12 mb | 6403 |
| Mr. Driller (USA) | 357.11 mb | 8275 |
| Ms. Pac-Man Maze Madness (USA) | 375.13 mb | 8155 |
| MSR - Metropolis Street Racer (Europe) (En,Fr,De,Es) | 660.42 mb | 5190 |
| MSR - Metropolis Street Racer (Europe) (En,Fr,De,Es) (Rev A) | 660.41 mb | 2362 |
| MSR - Metropolis Street Racer (Europe) (En,Fr,De,Es) (Rev B) | 660.53 mb | 7324 |
| MSR - Metropolis Street Racer (USA) (Rev A) | 654.31 mb | 356 |
| MSR Opel Challenge (Europe) (Beta) | 116.91 mb | 61 |
| MTV Sports - Skateboarding featuring Andy Macdonald (Europe) | 253.18 mb | 2438 |
| MTV Sports - Skateboarding featuring Andy Macdonald (USA) | 235.51 mb | 4378 |
| Musapey's Choco Marker (Japan) | 51.13 mb | 76 |
| My Merry May (Japan) | 826.51 mb | 70 |
| My Merry Maybe (Japan) (Disc 1) | 683.17 mb | 58 |
| My Merry Maybe (Japan) (Disc 2) | 818.47 mb | 61 |
