GameCube

TimeSplitters: Future PerfectPlay as Monkey in Monkey Assistants05/10/05

Macintosh

Team Fortress 2Sniper Achievements - Sniper Update01/12/11
Team Fortress 2Spy Achievements - Spy Update01/12/11
Team Fortress 2Steam Achievements - Pyro specific achievements01/12/11
Team Fortress 2Steam Achievements - Scout Specific Achievements01/12/11

PC

Team Fortress 2Sniper Achievements - Sniper Update05/22/09
Team Fortress 2Spy Achievements - Spy Update05/22/09
Team Fortress 2Steam Achievements - Pyro specific achievements02/26/09
Team Fortress 2Steam Achievements - Scout Specific Achievements02/26/09