| Game | Updated |
| Mad Maestro | 02/28/2011 |
| Madden NFL 06 | 03/8/2011 |
| Madden NFL 07 | 07/26/2011 |
| Madden NFL 08 | 06/18/2011 |
| Madden NFL 09 | 07/22/2011 |
| Madden NFL 2004 | 06/01/2012 |
| Madden NFL 2005 | 01/17/2011 |
| Mafia | 12/6/2011 |
| Major League Baseball 2K7 | 04/9/2011 |
| Major League Baseball 2K9 | 07/5/2011 |
| Makai Kingdom: Chronicles of the Sacred Tome | 11/18/2011 |
| Mana Khemia: Alchemists of Al-Revis | 10/28/2011 |
| Manhunt | 08/14/2011 |
| Manhunt 2 | 06/22/2011 |
| Marvel Super Hero Squad | 09/5/2011 |
| Marvel vs. Capcom 2: New Age of Heroes | 09/8/2011 |
| Marvel: Ultimate Alliance | 05/27/2011 |
| Marvel: Ultimate Alliance 2 | 12/22/2011 |
| Max Payne 2: The Fall of Max Payne | 09/11/2011 |
| Maximo vs. Army of Zin | 04/23/2011 |
| Medal of Honor European Assault | 05/10/2011 |
| Medal of Honor Vanguard | 04/4/2011 |
| Medal of Honor: Frontline | 04/13/2011 |
| Mega Man Anniversary Collection | 10/8/2011 |
| Mega Man X Collection | 02/20/2011 |
| Mega Man X7 | 05/27/2011 |
| Mega Man X8 | 01/23/2011 |
| Mega Man X: Command Mission | 01/2/2012 |
| Mercenaries | 05/2/2011 |
| Mercenaries 2: World in Flames | 04/5/2011 |
| Metal Arms: Glitch in the System | 06/13/2011 |
| Metal Gear Solid 2: Sons of Liberty | 06/20/2011 |
| Metal Gear Solid 2: Substance | 09/29/2011 |
| Metal Gear Solid 3: Snake Eater | 03/30/2011 |
| Metal Gear Solid 3: Subsistence | 10/13/2011 |
| Metal Gear Solid: The Essential Collection | 05/6/2011 |
| Metal Saga | 03/26/2011 |
| Metropolismania | 03/2/2011 |
| Midnight Club 3: DUB Edition | 05/6/2011 |
| Midnight Club 3: DUB Edition Remix | 07/2/2011 |
| Midnight Club II | 10/31/2011 |
| Midway Arcade Treasures | 01/22/2011 |
| Midway Arcade Treasures 3 | 10/15/2011 |
| Minority Report | 11/3/2011 |
| MLB 2005 | 08/2/2011 |
| MLB Power Pros | 05/20/2011 |
| MLB SlugFest: Loaded | 02/2/2011 |
| Mobile Suit Gundam SEED: Federation vs. Z.A.F.T. | 12/23/2011 |
| Mobile Suit Gundam SEED: Never Ending Tomorrow | 10/22/2011 |
| Mobile Suit Gundam: Encounters in Space | 07/14/2011 |
| Mobile Suit Gundam: Federation vs. Zeon | 10/3/2011 |
| Mobile Suit Gundam: Gundam vs. Zeta Gundam | 01/5/2012 |
| Mobile Suit Gundam: Journey to Jaburo | 11/8/2011 |
| Mobile Suit Gundam: Zeonic Front | 12/3/2011 |
| Monster Rancher 3 | 04/21/2011 |
| Monster Rancher 4 | 01/15/2011 |
| Mortal Kombat: Armageddon | 06/18/2011 |
| Mortal Kombat: Deadly Alliance | 11/22/2011 |
| Mortal Kombat: Deception | 12/23/2011 |
| Mortal Kombat: Shaolin Monks | 09/20/2011 |
| MotoGP 2 | 08/11/2011 |
| MotoGP 4 | 01/24/2011 |
| MTV Music Generator 2 | 07/11/2011 |
| MTX: Mototrax | 07/11/2011 |
| Musashi: Samurai Legend | 11/14/2011 |
| MVP 07 NCAA Baseball | 05/22/2011 |
| MVP Baseball 2003 | 01/14/2011 |
| MVP Baseball 2004 | 11/10/2011 |
| MVP Baseball 2005 | 09/13/2011 |
| MX 2002 Featuring Ricky Carmichael | 02/17/2011 |
| MX Unleashed | 03/5/2011 |
| MX vs. ATV Untamed | 09/29/2011 |
| My-HiME: Unmei no Keitouju | 06/30/2011 |
| Mystic Heroes | 02/22/2011 |