Region | Title | System | Version | Edition | Languages | Serial | Status |
| Maximum CD: August 2003 | PC | | | | | |
| Mystery Masters: Supernatural Stories (Disc 1) Mystery Masters: Supernatural Stories Collection | PC | | Collector's Edition | | 38800_DVD1 | |
| Mystery Masters: Supernatural Stories (Disc 2) Mystery Masters: Supernatural Stories Collection | PC | | Collector's Edition | | 38800_DVD2 | |
| Myst III: Exile | PC | 1.27 | Limited Edition, 10th Anniversary DVD Edition, Myst IV: Revelation Limited Edition | | 651116-DVD3 | |
| Myst IV: Revelation (Disc 1) | PC | | Original, Limited Edition, Myst: The Collection, Ubisoft eXclusive | | 5004445-1, 681632-DVD1 | |
| Myst IV: Revelation (Disc 2) | PC | | Original, Limited Edition, Myst: The Collection, Ubisoft eXclusive | | 5004445-2, 681632-DVD2 | |
| MacCubed³ (Disc 3) (Kids' Games / Card, Board & Puzzle Games) | MAC | | Original | | CD-01483/A | |
| Magic & Mayhem for Heretic | PC | | Original | | | |
| Magic: The Gathering: Trading Card Game | PC | | Demo | | | |
| The Magician's Handbook: Cursed Valley | PC | | Original | | P/N: 116927 | |
| Magicom Collection featuring Armageddon | PC | 2.1 | Original | | | |
| Magicom Collection featuring Delirium | PC | 2.1 | Original | | | |
| Magicom Collection featuring Puzzle 40 Pack | PC | 2.1 | Original | | | |
| Magicom Collection featuring Touch Type Tutor | PC | 2.1 | Original | | | |
| Mah Jong Medley Mahjong Medley | PC | 2.01 | Original | | | |
| Mahjong Escape Collection | PC | | Original | | P/N: 119222-G | |
| Make the Grade! Vol. 6 Path to the Yukon (The Yukon Trail) | Odell Down Under | PC | | SoftKey | | POB444AE-CD | |
| Master of Magic | PC | 1.31 | | | 0-522-40-103 | |
| Master of Orion | PC | 1.3 | Original | | 0-522-40-104 | |
| Master of Orion 3 (Disc 1) | PC | 1.0 | Original | | Part # 23338CD1 | |
| Master of Orion 3 (Disc 2) | PC | 1.0 | Original | | Part # 23338CD2 | |
| Mavis Beacon Teaches Typing: Version 9 Mavis Beacon Teaches Typing 9 | PC | 9.0.0 | Original | | 2220510-590003/I068YD, 980069 | |
| MechWarrior 2: 31st Century Combat | PC | 1.0 | Original | | P/N 3092-04-1 | |
| MechWarrior 2: 31st Century Combat | PC | 1.0 SWJ | Bundle Version Microsoft Sidewinder 3D Pro Joystick OEM | | Part Number 326-052-002, Part Number 66335 | |
| MechWarrior 2: Ghost Bear's Legacy | PC | | Original | | CDD-3124-04-1 | |
| Metal Gear Solid 2: Sons of Liberty | PS2 | 1.01 | Original, Greatest Hits | | SLUS 20144 … | |
| Mia: The Kidnap Caper (Disc 1) Mia's Big Adventure Collection: The Kidnap Caper | PC | | Original | | | |
| Mia: The Kidnap Caper (Disc 2) Mia's Big Adventure Collection: The Kidnap Caper | PC | | Original | | | |
| Microsoft DirectX 7 Software Development Kit Microsoft DirectX Software Development Kit Version 7.0 | PC | 7.0 | Original | | | |
| Microsoft Flight Simulator 2002 (Disc 1) | PC | 8.00.010919.01 | Original | | 0701 Part No. X08-34715, 0701 Part No. X08-34716 | |
| Microsoft Flight Simulator 2002 (Disc 2) | PC | | Original, Ubisoft eXclusive, Game of the Year | | 0701 Part No. X08-34720, 0801 Artikelnr. X08-37512 DE, 5004384, P/N:10686/2 | |
| Microsoft Flight Simulator 2002 (Disc 3) | PC | | Original, Professional Edition, Ubisoft eXclusive, Game of the Year | | 0701 Part No. X08-34725, 0701 Part No. X08-34804, 0801 Artikelnr. X08-37521 DE, 5004384, P/N:10686/3 | |
| Microsoft Golf | PC | 3.0 | Bundle Version OEM | | 1096 Part No. 000-62802 | |
| Midnight Stranger | PC | | Mail Order Rerelease | | | |
| MiMi Mouryou 魅美魍魎 | PC | 1.00 | Original | | | |
| Mobile Light Force 2 | PS2 | 1.04 | Original | | SLUS 20608 | |
| Modern Fighters | PC | 2.0 | Original | | | |
| Monkey Island Madness | PC | 1.0 | The LucasArts Archives Vol. III | | 8041835 | |
| My First Encyclopedia & Spider-Man Cartoon Maker | PC | | Bundle Version Packard Bell OEM | | | |
| Myst | PC | 1.2 | Original | | | |
| Mr. Men & Little Miss: Mr. Bump Presents: Challenge Bonhomme et les Dames: M. Rigolo Présente: Challenge | PC | | Original | | | |
| Manx TT SuperBike | PC | | Expert Software | | 6817 01 | |
| Mysterious Song | PCE | | Unlicensed | | FCD0001 | |
| Mavis Beacon Teaches Typing: Version 12 | PC | 12.01 | Original | | 380858A-CD | |
| Mavis Beacon Teaches Typing: Version 18 | PC | 1.0 | Original | | 15341-CD | |
| Magic Knight Rayearth 魔法騎士 レイアース | SS | 1.007 | Original | | GS-9058 | |
| Magical Battle Arena: Mahou Shoujo Butousai: Lyrical Pack マジカルバトルアリーナ・魔法少女武闘祭~リリカルパック | PC | 1.50 | Original | | FLYS-0002 | |
| MarisaLa: Super Marisa Land スーパーマリサランド | PC | 1.10 | Original | | | |
| Master Burner Climax | PC | 0.5 | C78 Saishuu Taikenban | | | |
| Minikiss: Tuyokiss Fan Disk みにきす | PC | 1.0.2.3 | | | INH-249 | |
| Mist | PC | | Original | | O.S.I-0008 | |
| Motto Love Chu! Ren'ai Chu! Fan Disc もっとLOVEちゅ! ~恋愛CHU!ファンディスク~ | PC | | PC Game Bundle | | | |
| Mr. PC 2013-nen 3-gatsu-gou: Aidoku Kansha Tokubetsu-gou ミスター・ピーシー2013年3月号 愛読感謝特別号 | PC | | | | | |
| Mugen Gikyou: First Disaster 夢幻偽郷 First Disaster | PC | 1.00 | Original | | | |