| Name | Size | DLs |
|---|
| Maboroshi Tsukiyo (Japan) | 526.31 mb | 1555 |
| Maboroshi Tsukiyo (Japan) (Taikenban) | 500.34 mb | 1308 |
| Macross M3 (Japan) | 486.47 mb | 2820 |
| Macross M3 (Japan) (Demo) | 310.08 mb | 893 |
| MagForce Racing (Europe) (En,Fr,De,Es,It) | 305.25 mb | 6928 |
| MagForce Racing (USA) (En,Fr,De,Es,It) | 420.60 mb | 6492 |
| Magic - The Gathering (Japan) | 424.67 mb | 6586 |
| Magic Pockets (USA, Japan) (Unl) | 43.71 mb | 804 |
| Mahjong Taikai II Special (Japan) | 225.96 mb | 892 |
| Majo no Ocha-kai (Japan) | 564.20 mb | 1662 |
| Maken X (Europe) (En,Fr,De,Es) | 518.04 mb | 1698 |
| Maken X (Japan) | 508.97 mb | 6246 |
| Maken X (USA) | 510.86 mb | 12086 |
| Maqiupai (USA) (Unl) | 104.63 mb | 953 |
| Margi - Marginal (Japan) | 902.70 mb | 2213 |
| Marie & Elie no Atelier - Salburg no Renkinjutsushi 1 & 2 (Japan) (Game Disc) | 478.32 mb | 1356 |
| Marie & Elie no Atelier - Salburg no Renkinjutsushi 1 & 2 (Japan) (Game Disc) (Rev A) | 478.28 mb | 1361 |
| Marie & Elie no Atelier - Salburg no Renkinjutsushi 1 & 2 (Japan) (Omake Disc) | 225.26 mb | 815 |
| Marie & Elie no Atelier - Salburg no Renkinjutsushi 1 & 2 (Japan) (Omake Disc) (Rev A) | 225.21 mb | 844 |
| Marionette Company (Japan) | 390.09 mb | 1487 |
| Marionette Company 2 Chu! (Japan) | 444.30 mb | 1513 |
| Marionette Handler (Japan) | 308.38 mb | 1032 |
| Marionette Handler 2 (Japan) | 234.73 mb | 941 |
| Mars Matrix (Japan) (En,Ja) | 299.24 mb | 1134 |
| Mars Matrix (USA) | 249.53 mb | 10179 |
| Marvel vs. Capcom - Clash of Super Heroes (Europe) | 293.53 mb | 11551 |
| Marvel vs. Capcom - Clash of Super Heroes (Japan) | 284.10 mb | 17341 |
| Marvel vs. Capcom - Clash of Super Heroes (Japan) (Tentou Taikenban) | 284.00 mb | 804 |
| Marvel vs. Capcom - Clash of Super Heroes (USA) | 283.88 mb | 19843 |
| Marvel vs. Capcom 2 - New Age of Heroes (Europe) | 159.77 mb | 2166 |
| Marvel vs. Capcom 2 - New Age of Heroes (Japan) | 153.26 mb | 1278 |
| Marvel vs. Capcom 2 (USA) | 152.97 mb | 4826 |
| Mat Hoffman's Pro BMX (USA) | 760.74 mb | 2973 |
| Max Steel - Covert Missions (USA) | 542.87 mb | 11615 |
| Maximum Pool (USA) | 335.70 mb | 7525 |
| MDK2 (Europe) (En,Fr,De,Es,It) | 739.04 mb | 8442 |
| MDK2 (USA) | 727.15 mb | 11449 |
| Mei Puru (Japan) | 679.84 mb | 2036 |
| Memories Off 2nd - Making Disc (Japan) | 645.97 mb | 1617 |
| Memories Off 2nd - Promotion Disc (Japan) | 248.22 mb | 1002 |
| Memories Off 2nd (Japan) | 831.01 mb | 2029 |
| Memories Off Complete (Japan) | 533.74 mb | 1732 |
| Mercurius Pretty - End of the Century (Japan) | 941.61 mb | 2744 |
| Metal Wolf (Japan) | 511.60 mb | 1726 |
| Microsoft WebTV Setsuzoku Kit (Japan) | 98.25 mb | 690 |
| Microsoft WebTV Setsuzoku Kit (Japan) (128bit SSL Taiouban) | 98.33 mb | 633 |
| Midway's Greatest Arcade Hits - Volume 1 (Europe) | 29.29 mb | 564 |
| Midway's Greatest Arcade Hits - Volume 1 (USA) | 29.24 mb | 923 |
| Midway's Greatest Arcade Hits - Volume 2 (USA) | 168.55 mb | 1486 |
| Milky Season (Japan) | 809.95 mb | 2400 |
| Millennium Soldier - Expendable (Europe) (En,Fr,De,Es,It) | 553.31 mb | 16971 |
| Miss Moonlight (Japan) | 660.14 mb | 1860 |
| Missing Parts - The Tantei Stories (Japan) | 599.18 mb | 6099 |
| Missing Parts 2 - The Tantei Stories (Japan) | 692.85 mb | 5974 |
| Missing Parts 3 - The Tantei Stories (Japan) | 731.35 mb | 2152 |
| Mizuiro (Japan) | 872.43 mb | 2402 |
| Moekan (Japan) | 782.86 mb | 2284 |
| Moero! Justice Gakuen (Japan) | 878.67 mb | 2595 |
| Moero! Justice Gakuen (Japan) (Demo) | 882.55 mb | 2135 |
| MoHo (Europe) (En,Fr,De) | 600.21 mb | 1643 |
| Monaco Grand Prix (USA) | 633.86 mb | 2729 |
| Monaco Grand Prix Racing Simulation 2 (Japan) | 319.70 mb | 6412 |
| Morita no Saikyou Reversi (Japan) | 54.24 mb | 496 |
| Morita no Saikyou Reversi (Japan) (Tentou Taikenban) | 54.24 mb | 503 |
| Morita no Saikyou Shougi (Japan) | 42.43 mb | 679 |
| Mortal Kombat Gold (Europe) | 594.60 mb | 9265 |
| Mortal Kombat Gold (USA) | 594.53 mb | 20579 |
| Mortal Kombat Gold (USA) (Rev 1) | 594.60 mb | 2809 |
| Motto Pro Yakyuu Team o Tsukurou! (Japan) | 437.44 mb | 1504 |
| MP3 DC - Use MP3 Audio CD's on Your Dreamcast (Europe) (Unl) | 588.71 mb | 1381 |
| MP3 DC - Use MP3 Audio CD's on Your Dreamcast (USA) (Unl) | 588.40 mb | 1665 |
| MP3 DC - Use MP3 Audio CD's on Your Dreamcast (USA) (Unl) (Pelican Accessories) | 590.11 mb | 1478 |
| Mr. Driller (Europe) (En,Fr,De,Es,It) | 363.84 mb | 5260 |
| Mr. Driller (Japan) | 379.12 mb | 7580 |
| Mr. Driller (USA) | 357.11 mb | 10049 |
| Ms. Pac-Man Maze Madness (USA) | 375.13 mb | 10592 |
| MSR - Metropolis Street Racer (Europe) (En,Fr,De,Es) | 660.42 mb | 7700 |
| MSR - Metropolis Street Racer (Europe) (En,Fr,De,Es) (Rev A) | 660.41 mb | 3845 |
| MSR - Metropolis Street Racer (Europe) (En,Fr,De,Es) (Rev B) | 660.53 mb | 9224 |
| MSR - Metropolis Street Racer (USA) (Rev A) | 654.31 mb | 3539 |
| MSR Opel Challenge (Europe) (Beta) | 116.91 mb | 651 |
| MTV Sports - Skateboarding featuring Andy Macdonald (Europe) | 253.18 mb | 3399 |
| MTV Sports - Skateboarding featuring Andy Macdonald (USA) | 235.51 mb | 5581 |
| Musapey's Choco Marker (Japan) | 51.13 mb | 568 |
| My Merry May (Japan) | 826.51 mb | 2431 |
| My Merry Maybe (Japan) (Disc 1) | 683.17 mb | 2087 |
| My Merry Maybe (Japan) (Disc 2) | 818.47 mb | 2138 |
