Madagascar: Escape 2 Africa
- Developer: Toys for Bob
- Genre: Action
- Publisher: Activision
- Released: Nov. 28, 2008
- Official Website: http://www.madagascarthegame.com
Madden NFL 09
- Developer: EA
- Genre: Sports
- Publisher: EA
- Released: Aug. 12, 2008
- Official Website: http://www.easports.com
Major League Baseball 2K8
- Developer: Kush Games
- Genre: Sports
- Publisher: 2K Games
- Released: Mar. 4, 2008
- Official Website: http://www.2ksports.com
Marble Blast Ultra
- Developer:
- Genre:
- Publisher: Microsoft Game Studios
- Released:
- Official Website: http://www.xbox.com
Marvel: Ultimate Alliance
- Developer:
- Genre:
- Publisher: Activision
- Released:
- Official Website: http://www.marvelultimatealliance.com
Mass Effect
- Developer:
- Genre: Role Playing
- Publisher: Microsoft Game Studios
- Released:
- Official Website: http://www.xbox.com
Mega Man 9
- Developer: Capcom
- Genre: Action
- Publisher: Capcom
- Released: Oct. 1, 2008
- Official Website: http://www.xbox.com
Midnight Club: Los Angeles
- Developer: Rockstar Games
- Genre: Racing
- Publisher: Rockstar Games
- Released: Oct. 20, 2008
- Official Website: http://www.rockstargames.com
Mirror's Edge
- Developer: EA
- Genre: Action
- Publisher: EA
- Released: Nov. 11, 2008
- Official Website: http://www.mirrorsedge.com
Missile Command
- Developer:
- Genre: Action
- Publisher: Atari (Infogrames)
- Released:
- Official Website: http://www.xbox.com
Mr. Driller Online
- Developer: Namco Bandai Games
- Genre: Action
- Publisher: Microsoft Game Studios
- Released: Apr. 2, 2008
- Official Website: http://www.xbox.com
Mutant Storm Reloaded
- Developer:
- Genre:
- Publisher: Microsoft Game Studios
- Released:
- Official Website: http://www.xbox.com
MX vs. ATV Untamed
- Developer:
- Genre: Racing
- Publisher: THQ
- Released:
- Official Website: http://www.thq.com
