Xbox - A
- Ab durch die Hecke
- Advent Rising
- Aeon Flux
- AFL Live - Premiership Edition
- AFL Live 2003
- AFL Live 2004
- Agent Under Fire
- Aggressive Inline
- Air Force Delta 2
- Air Force Delta Storm
- Airforce Delta Storm
- Alias
- Alien Hominid
- Aliens versus Predator - Extinction
- Aliens Versus Predator Extinction
- Aliens vs. Predator - Extinction
- All Star Baseball 2003
- All-Star Baseball 2003
- All-Star Baseball 2004
- All-Star Baseball 2005
- Alter Echo
- America's Army - Rise of A Soldier
- American Chopper
- American Chopper - Full Throttle
- American Chopper - the Game
- American Chopper 2 - Full Throttle
- American McGee's Oz
- AMF Bowling 2004
- AMF Xtreme Bowling
- Amped
- Amped - Freestyle Snowboarding
- Amped 2
- AND 1 Streetball
- AND1 Streetball
- Andy McNab - Team SAS
- Animaniacs - the Great Edgar Hunt
- Antz Extreme Racing
- Apex
- Apocalyptica
- Apprentice Knight
- Aquaman
- Aquaman - Battle for Atlantis
- Archer Maclean's Pool Paradise
- Arctic Thunder
- Area 51
- Area-51
- Arena Football
- Armada 2 - Star Command
- Armed & Dangerous
- Armed and Dangerous
- Army Men - Sarge's War
- Arx Fatalis
- Atari Anthology
- ATV Quad Power Racing 2
- ATV Quad Power Racing 3
- Austin Powers
- Auto Modellista
- Avatar - Der Herr der Elemente
- Avatar - the Last Airbender
- Azurik
- Azurik - Rise of Perathia
- Azurik - Rise of Perathis