購買 Half-Life 2: Episode Two

購買 The Orange Box

包含 5 個項目： Half-Life 2, Half-Life 2: Episode One, Half-Life 2: Episode Two, Team Fortress 2, Portal

購買 Half-Life Complete

包含 10 個項目： Team Fortress Classic, Half-Life: Opposing Force, Half-Life, Half-Life: Blue Shift, Half-Life 2, Half-Life: Source, Half-Life 2: Deathmatch, Half-Life 2: Lost Coast, Half-Life 2: Episode One, Half-Life 2: Episode Two

購買 Valve Complete Pack

包含 24 個項目： Counter-Strike, Team Fortress Classic, Day of Defeat, Deathmatch Classic, Half-Life: Opposing Force, Ricochet, Half-Life, Counter-Strike: Condition Zero, Half-Life: Blue Shift, Half-Life 2, Counter-Strike: Source, Half-Life: Source, Day of Defeat: Source, Half-Life 2: Deathmatch, Half-Life 2: Lost Coast, Half-Life 2: Episode One, Half-Life Deathmatch: Source, Left 4 Dead, Half-Life 2: Episode Two, Team Fortress 2, Portal, Left 4 Dead 2, Portal 2, Counter-Strike: Global Offensive

購買 Half-Life 2

購買 Half-Life 2: Episode One