Expand All / Collapse All View games published by Valve Software PC: Counter Strike Source Counter-Strike 1 Anthology Counter-Strike: Source Day of Defeat Day of Defeat: Source Deathmatch Classic Field & Stream Trophy Bass 3-D Half-Life Half-Life 1 Anthology Half-Life 2 Half-Life 2 Holiday 2006 Collection Half-Life 2: Aftermath Half-Life 2: Collector's Edition Half-Life 2: Deathmatch Half-Life 2: Episode One Half-Life 2: Episode Pack Half-Life 2: Episode Three Half-Life 2: Episode Two Half-Life 2: Episode Two -- Orange Box Half-Life 2: Game of the Year Half-Life 2: Game of the Year Edition Half-Life 2: Holiday 2006 Collection Half-Life: Adrenaline Pack Half-Life: Counter-Strike Half-Life: Game of the Year Edition Half-Life: Initial Encounter Half-Life: Source Portal Team Fortress 2: Brotherhood of Arms The Black Box The Black Box [Half-Life 2] The Orange Box Xbox: Counter-Strike Half-Life 2 Xbox 360: The Orange Box Playstation 3: The Orange Box Macintosh: Half-Life