M
- Mad Tracks
- Madagascar: Escape 2 Africa
- Madden NFL 06
- Madden NFL 07
- Madden NFL 08
- Madden NFL 09
- Major League Baseball 2K6
- Major League Baseball 2K7
- Major League Baseball 2K8
- Major League Baseball 2K9
- Marathon: Durandal
- Marble Blast Ultra
- Marvel: Ultimate Alliance
- Mass Effect
- Medal of Honor: Airborne
- Mega Man 9
- Mercenaries 2: World in Flames
- Merv Griffin’s Crosswords
- Metal Slug 3
- Meteos Wars
- Microsoft Children’s Miracle Network Games Bundle
- Midnight Club: Los Angeles
- Minesweeper Flags
- Mirror’s Edge
- Missile Command
- MLB Front Office Manager
- MLB Stickball
- Mobile Ops: The One Year War
- Monopoly
- Monster Jam
- Monster Madness: Battle for Suburbia
- Mortal Kombat vs. DC Universe
- MotoGP 07
- MotoGP 08
- MotoGP’06
- Mr. Driller Online
- Ms. Pac-Man
- Mutant Storm Empire
- Mutant Storm Reloaded
- MX vs. ATV Untamed
- My Horse & Me 2: Riding for Gold
Is there a problem with any of these cheats?
Do you know of a cheat that isn't listed above?