| Game | Updated |
| Madagascar: Escape 2 Africa | 02/22/2011 |
| Madden NFL 07 | 06/1/2011 |
| Madden NFL 08 | 09/14/2011 |
| Madden NFL 09 | 06/10/2011 |
| Madden NFL 10 | 10/24/2011 |
| Mafia II | 07/2/2011 |
| MAG | 07/18/2011 |
| Magic: The Gathering — Duels of the Planeswalkers | 07/10/2011 |
| Major League Baseball 2K10 | 06/16/2011 |
| Major League Baseball 2K7 | 04/25/2011 |
| Major League Baseball 2K8 | 10/23/2011 |
| Marvel vs. Capcom 2 | 11/24/2011 |
| Marvel Vs. Capcom 3: Fate of Two Worlds | 12/27/2011 |
| Marvel: Ultimate Alliance | 09/24/2011 |
| Marvel: Ultimate Alliance 2 | 05/16/2011 |
| Mass Effect 2 | 01/25/2011 |
| Matt Hazard: Blood Bath and Beyond | 08/26/2011 |
| Medal of Honor | 04/25/2011 |
| Medal of Honor: Airborne | 05/18/2011 |
| Mega Man 10 | 03/15/2011 |
| Mega Man 9 | 10/29/2011 |
| Mercenaries 2: World in Flames | 01/22/2011 |
| Metal Gear Online | 08/20/2011 |
| Metal Gear Solid 4: Guns of the Patriots | 02/7/2011 |
| Midnight Club: Los Angeles | 07/12/2011 |
| Mini Ninjas | 05/8/2011 |
| Mirror’s Edge | 09/12/2011 |
| MLB 10: The Show | 07/2/2011 |
| Mobile Suit Gundam: Crossfire | 11/16/2011 |
| ModNation Racers | 09/7/2011 |
| Monopoly | 02/5/2011 |
| Monster Madness: Grave Danger | 05/30/2011 |
| Mortal Kombat | 05/7/2011 |
| Mortal Kombat II | 07/31/2011 |
| Mortal Kombat vs. DC Universe | 06/25/2011 |
| MotoGP 09/10 | 04/17/2011 |
| MotorStorm | 07/7/2011 |
| MotorStorm: Pacific Rift | 05/7/2011 |
| MX vs. ATV Reflex | 12/18/2011 |
| MX vs. ATV Untamed | 02/16/2011 |