This weekend only! Save 66% on everything Half-Life. Or get the Valve Complete Pack for 10% off.

The Valve Complete Pack
Half-Life Complete Pack
Half-Life 1 Anthology (Pack)
Half-Life 2 Complete Pack
Half-Life Episode Pack

Half-Life
Half-Life: Opposing Force
Half-Life: Blue Shift
Half-Life: Source
Half-Life Deathmatch: Source
Half-Life 2
Half-Life 2: Episode One
Half-Life 2: Episode Two
Half-Life 2: Lost Coast
Half-Life 2: Deathmatch