Game Patches
18 August 2010
Counter-Strike: Source / Team Fortress 2 / Day of Defeat: Source - Update via Steam
Garry's Mod - Update via Steam
Gratuitous Space Battles - Update via Steam
Portal / Half Life 2 / HL2: Episode 1 / HL2: Episode 2 - Update via Steam
Ref: TweakGuides.com
18 August 2010
Counter-Strike: Source / Team Fortress 2 / Day of Defeat: Source - Update via Steam
Garry's Mod - Update via Steam
Gratuitous Space Battles - Update via Steam
Portal / Half Life 2 / HL2: Episode 1 / HL2: Episode 2 - Update via Steam
Ref: TweakGuides.com