Region | Title | System | Version | Edition | Languages | Serial | Status |
| My Street | PS2 | 1.00 | Original, Promo | | SCED-51677 … | |
| Mad About English (Disc 1) (Spelling) | PC | 1.0 | Original | | | |
| Mad Dog McCree | PC | 1.02 | Original | | | |
| Magic & Mayhem: The Art of Magic / Codename: Outbreak Demo Disc | PC | | Demo | | | |
| The Magic Oak | PC | | Original | | 112 | |
| MahJongg Empire | PC | 1.0 | Original | | | |
| Mango Plumo's Earth Adventure | PC | | Britannica Family Collection | | | |
| Mango Plumo's Space Adventure | PC | | Britannica Family Collection | | | |
| Mango Plumo's Weather Adventure | PC | | Britannica Family Collection | | | |
| Mastermind | PC | | Covermount | | PCF89b 1298 | |
| Max and the Magician | PC | | Original | | | |
| Max Payne | PC | 1.0.161 | Original, Limited Edition, Rerelease | | | |
| Max Payne 2: The Fall of Max Payne (Play) | PC | 1.0.98 | Original | | | |
| Max Payne 2: The Fall of Max Payne (Install 2) | PC | 1.0.98 | Original | | | |
| Max Payne 2: The Fall of Max Payne (Install 1) | PC | 1.0.98 | Original | | | |
| Maximum CD: May 2002 | PC | | | | | |
| MechWarrior 2: 31st Century Combat | PC | 1.1 | The Essential Collection | | 1000140.101.UK | |
| MechWarrior 2: 31st Century Combat | PC | 1.0 | Bundle Version Micron OEM, Pentium Processor Edition | | 1000005-101-US, CDD-3115-101-U3, CDD-3502-101-U3 | |
| MechWarrior 3 | PC | 1.1 | Mega Family Choice | | CVE0012 | |
| Medal of Honor: Allied Assault (Disc 1) | PC | 1.11 | Sold Out Software (Deluxe Edition) | | SOC001081 | |
| Medal of Honor: Allied Assault (Disc 1) | PC | 1.11 | Medal of Honor: Allied Assault: War Chest | | DWE08903573D | |
| Medal of Honor: Allied Assault (Disc 2) | PC | 1.11 | Sold Out Software (Deluxe Edition) | | SOC001134 | |
| Medal of Honor: Allied Assault: Breakthrough | PC | 2.30 | Medal of Honor: Allied Assault: War Chest | | DWE08904082D | |
| Medal of Honor: Allied Assault: Spearhead | PC | | Sold Out Software (Deluxe Edition) | | SOC001135 | |
| Medal of Honor: Allied Assault: Spearhead | PC | 2.0 | Medal of Honor: Allied Assault: War Chest | | DWE08903886D | |
| Metal Fatigue (Disc 1) | PC | | Original | | | |
| Metal Fatigue (Disc 2) | PC | | Original | | | |
| Microsoft Combat Flight Simulator: WWII Europe Series | PC | 1.00 | Combat Flight Collection 2, Xplosiv | | EI-1525 ENGLISH | |
| Microsoft Flight Simulator for Windows 95 | PC | 6.0 | Original | | 0896 Part No. 91597 | |
| Microsoft Windows XP: The Official Magazine: Issue 16 March 2003 (Disc 2) | PC | | | | MSS16-B/MAR/03 | |
| Microsoft Windows XP: The Official Magazine: Issue 17 April 2003 (Disc 2) | PC | | | | MSS17-B/APR/03 | |
| Might and Magic VIII: Day of the Destroyer (Disc 1) (Install) | PC | | Sold Out Software | | | |
| Might and Magic VIII: Day of the Destroyer (Disc 2) (Play) | PC | | Sold Out Software | | | |
| Military Helicopters | PC | | Original | | BLS071 | |
| Monet: The Mystery of the Orangery | PC | | Original | | MSM002-CD | |
| Monopoly | PC | 1.0z.406 | Covermount | | | |
| Monopoly Tycoon: The Times Demo | PC | | Demo | | | |
| Monopoly: New Edition | PC | | GSP | | 1391A | |
| Monster Truck Madness 2 | PC | 2.00.41 | Racing Madness | | | |
| Morus y Mwydyn ABC | PC | | Original | | | |
| Moto Racer 3 | PC | 1.0 build 0047b | Original | | DEE08803658D | |
| Mount & Blade | PC | 1.011 | Rerelease | | | |
| The Movies (Disc 2) | PC | 1.0 | Original | | 32587102US | |
| The Movies (Disc 3) | PC | 1.0 | Original | | 32587103US | |
| The Movies: Stunts & Effects Expansion Pack | PC | 1.2 | Original | | 32861.101.UK, 32861.101.US | |
| Mr. Driller | PC | | Original | | | |
| Myst: Masterpiece Edition | PC | 1.0 | Original | | 054761-CD | |
| Mystery Case Files: Huntsville | PC | 1.6a | Revival | | REV134 | |
| Marvel: Ultimate Alliance | PC | 1.0 | Original | | 32927.101.EU | |
| Massive Chalice | PC | | Kickstarter | | | |
| Medal of Honor: Pacific Assault | PC | 1.0 | Original | | DWX07704116D | |
| Medieval II: Total War (Disc 1) | PC | | Original, Total War Collection | | 1997B1, SEGA-PC037D1-UK | |
| Medieval II: Total War (Disc 2) | PC | | Original | | SEGA-PC037D2-UK | |
| Medieval: Total War | PC | 2.0 | Gold Edition | | | |
| Medieval: Total War: Gold Edition | PC | 2.01 | Green Pepper, Total War: Eras, Gold Edition | | DIS-TWEMED, SEGA-PC126-R | |
| Metro: Last Light: Interactive DVD | PC | | Promo | | | |
| Microsoft Flight Simulator X (Disc 1) | PC | 10.0.60905.0 | Deluxe Edition, Gold Edition | | 0606 Part No. X12-50245, 06060 Part No. X12-50245, 0706 Part No. X12-50251-02 | |
| Microsoft Flight Simulator X (Disc 2) | PC | 10.0.60905.0 | Deluxe Edition, Gold Edition | | 0606 Part No. X12-50246, 0706 Part No. X12-50252-02 | |
| Microsoft Flight Simulator X: Acceleration Expansion Pack | PC | 10.0.61637.0 | Gold Edition | | 0707 Part No. X13-85561-01, 0707 Part No. X13-85569-01 | |
| Microsoft Windows XP: The Official Magazine: Issue 12 December 2002 | PC | | | | MSS12-D/10/2002 | |
| Microsoft Windows XP: The Official Magazine: Issue 13 Christmas 2002 | PC | | | | MSS13-D/11/2002 | |
| Microsoft Windows XP: The Official Magazine: Issue 15 February 2003 | PC | | | | MSS15-D/FEB/03 | |
| Microsoft Windows XP: The Official Magazine: Issue 16 March 2003 | PC | | | | MSS16-D/MAR/03 | |
| Microsoft Windows XP: The Official Magazine: Issue 17 April 2003 | PC | | | | MSS17-D/APR/03 | |
| Microsoft Windows XP: The Official Magazine: Issue 19 June 2003 | PC | | | | MSS19-D/JUN/03 | |
| Microsoft Windows XP: The Official Magazine: Issue 24 November 2003 | PC | | | | MSS24-C/NOV/03 | |
| Microsoft Windows XP: The Official Magazine: Issue 28 February 2004 | PC | | | | MSS28-C/FEB/04 | |
| Microsoft Windows XP: The Official Magazine: Issue 30 April 2004 | PC | | | | MSS30-C/APR/04 | |
| Microsoft Windows XP: The Official Magazine: Issue 33 July 2004 | PC | | | | WXP33-C/JUL/04 | |
| Monaco: What's Yours is Mine | PC | 1.0 | Original | | | |
| Mass Effect (Disc 1) | PC | | Original | | EAX07706226D1/UK | |
| Mass Effect (Disc 2) | PC | | Original | | EAX07706226D2/UK | |
| Mass Effect 2 (Disc 2) | PC | 1.0 | Original | | EAX07707061D2 | |
| Medieval II: Total War (Disc 1) | PC | | Gold Edition | | SEGA-PC064 | |
| Medieval II: Total War (Disc 2) | PC | | Gold Edition | | SEGA-PC064 | |