| Name | Size | DLs |
|---|
| Maboroshi Tsukiyo (Japan) | 526.31 mb | 152 |
| Maboroshi Tsukiyo (Japan) (Taikenban) | 500.34 mb | 110 |
| Macross M3 (Japan) | 486.47 mb | 883 |
| Macross M3 (Japan) (Demo) | 310.08 mb | 88 |
| MagForce Racing (Europe) (En,Fr,De,Es,It) | 305.25 mb | 6045 |
| MagForce Racing (USA) (En,Fr,De,Es,It) | 420.60 mb | 5269 |
| Magic - The Gathering (Japan) | 424.67 mb | 5290 |
| Magic Pockets (USA, Japan) (Unl) | 43.71 mb | 199 |
| Mahjong Taikai II Special (Japan) | 225.96 mb | 146 |
| Majo no Ocha-kai (Japan) | 564.20 mb | 184 |
| Maken X (Europe) (En,Fr,De,Es) | 518.04 mb | 249 |
| Maken X (Japan) | 508.97 mb | 4913 |
| Maken X (USA) | 510.86 mb | 10159 |
| Maqiupai (USA) (Unl) | 104.63 mb | 201 |
| Margi - Marginal (Japan) | 902.70 mb | 143 |
| Marie & Elie no Atelier - Salburg no Renkinjutsushi 1 & 2 (Japan) (Game Disc) | 478.32 mb | 137 |
| Marie & Elie no Atelier - Salburg no Renkinjutsushi 1 & 2 (Japan) (Game Disc) (Rev A) | 478.28 mb | 128 |
| Marie & Elie no Atelier - Salburg no Renkinjutsushi 1 & 2 (Japan) (Omake Disc) | 225.26 mb | 111 |
| Marie & Elie no Atelier - Salburg no Renkinjutsushi 1 & 2 (Japan) (Omake Disc) (Rev A) | 225.21 mb | 122 |
| Marionette Company (Japan) | 390.09 mb | 157 |
| Marionette Company 2 Chu! (Japan) | 444.30 mb | 165 |
| Marionette Handler (Japan) | 308.38 mb | 156 |
| Marionette Handler 2 (Japan) | 234.73 mb | 163 |
| Mars Matrix (Japan) (En,Ja) | 299.24 mb | 265 |
| Mars Matrix (USA) | 249.53 mb | 8661 |
| Marvel vs. Capcom - Clash of Super Heroes (Europe) | 293.53 mb | 10153 |
| Marvel vs. Capcom - Clash of Super Heroes (Japan) | 284.10 mb | 16288 |
| Marvel vs. Capcom - Clash of Super Heroes (Japan) (Tentou Taikenban) | 284.00 mb | 117 |
| Marvel vs. Capcom - Clash of Super Heroes (USA) | 283.88 mb | 17613 |
| Marvel vs. Capcom 2 - New Age of Heroes (Europe) | 159.77 mb | 714 |
| Marvel vs. Capcom 2 - New Age of Heroes (Japan) | 153.26 mb | 455 |
| Marvel vs. Capcom 2 (USA) | 152.97 mb | 1951 |
| Mat Hoffman's Pro BMX (USA) | 760.74 mb | 756 |
| Max Steel - Covert Missions (USA) | 542.87 mb | 9955 |
| Maximum Pool (USA) | 335.70 mb | 6169 |
| MDK2 (Europe) (En,Fr,De,Es,It) | 739.04 mb | 6067 |
| MDK2 (USA) | 727.15 mb | 9074 |
| Mei Puru (Japan) | 679.84 mb | 159 |
| Memories Off 2nd - Making Disc (Japan) | 645.97 mb | 110 |
| Memories Off 2nd - Promotion Disc (Japan) | 248.22 mb | 90 |
| Memories Off 2nd (Japan) | 831.01 mb | 137 |
| Memories Off Complete (Japan) | 533.74 mb | 171 |
| Mercurius Pretty - End of the Century (Japan) | 941.61 mb | 161 |
| Metal Wolf (Japan) | 511.60 mb | 232 |
| Microsoft WebTV Setsuzoku Kit (Japan) | 98.25 mb | 90 |
| Microsoft WebTV Setsuzoku Kit (Japan) (128bit SSL Taiouban) | 98.33 mb | 94 |
| Midway's Greatest Arcade Hits - Volume 1 (Europe) | 29.29 mb | 155 |
| Midway's Greatest Arcade Hits - Volume 1 (USA) | 29.24 mb | 353 |
| Midway's Greatest Arcade Hits - Volume 2 (USA) | 168.55 mb | 445 |
| Milky Season (Japan) | 809.95 mb | 202 |
| Millennium Soldier - Expendable (Europe) (En,Fr,De,Es,It) | 553.31 mb | 15254 |
| Miss Moonlight (Japan) | 660.14 mb | 157 |
| Missing Parts - The Tantei Stories (Japan) | 599.18 mb | 4420 |
| Missing Parts 2 - The Tantei Stories (Japan) | 692.85 mb | 4351 |
| Missing Parts 3 - The Tantei Stories (Japan) | 731.35 mb | 189 |
| Mizuiro (Japan) | 872.43 mb | 176 |
| Moekan (Japan) | 782.86 mb | 151 |
| Moero! Justice Gakuen (Japan) | 878.67 mb | 339 |
| Moero! Justice Gakuen (Japan) (Demo) | 882.55 mb | 102 |
| MoHo (Europe) (En,Fr,De) | 600.21 mb | 169 |
| Monaco Grand Prix (USA) | 633.86 mb | 649 |
| Monaco Grand Prix Racing Simulation 2 (Japan) | 319.70 mb | 5187 |
| Morita no Saikyou Reversi (Japan) | 54.24 mb | 103 |
| Morita no Saikyou Reversi (Japan) (Tentou Taikenban) | 54.24 mb | 111 |
| Morita no Saikyou Shougi (Japan) | 42.43 mb | 105 |
| Mortal Kombat Gold (Europe) | 594.60 mb | 7429 |
| Mortal Kombat Gold (USA) | 594.53 mb | 18188 |
| Mortal Kombat Gold (USA) (Rev 1) | 594.60 mb | 834 |
| Motto Pro Yakyuu Team o Tsukurou! (Japan) | 437.44 mb | 140 |
| MP3 DC - Use MP3 Audio CD's on Your Dreamcast (Europe) (Unl) | 588.71 mb | 80 |
| MP3 DC - Use MP3 Audio CD's on Your Dreamcast (USA) (Unl) | 588.40 mb | 102 |
| MP3 DC - Use MP3 Audio CD's on Your Dreamcast (USA) (Unl) (Pelican Accessories) | 590.11 mb | 90 |
| Mr. Driller (Europe) (En,Fr,De,Es,It) | 363.84 mb | 4164 |
| Mr. Driller (Japan) | 379.12 mb | 6472 |
| Mr. Driller (USA) | 357.11 mb | 8637 |
| Ms. Pac-Man Maze Madness (USA) | 375.13 mb | 8608 |
| MSR - Metropolis Street Racer (Europe) (En,Fr,De,Es) | 660.42 mb | 5318 |
| MSR - Metropolis Street Racer (Europe) (En,Fr,De,Es) (Rev A) | 660.41 mb | 2394 |
| MSR - Metropolis Street Racer (Europe) (En,Fr,De,Es) (Rev B) | 660.53 mb | 7417 |
| MSR - Metropolis Street Racer (USA) (Rev A) | 654.31 mb | 967 |
| MSR Opel Challenge (Europe) (Beta) | 116.91 mb | 124 |
| MTV Sports - Skateboarding featuring Andy Macdonald (Europe) | 253.18 mb | 2492 |
| MTV Sports - Skateboarding featuring Andy Macdonald (USA) | 235.51 mb | 4616 |
| Musapey's Choco Marker (Japan) | 51.13 mb | 147 |
| My Merry May (Japan) | 826.51 mb | 143 |
| My Merry Maybe (Japan) (Disc 1) | 683.17 mb | 125 |
| My Merry Maybe (Japan) (Disc 2) | 818.47 mb | 130 |
