Omschrijving

Half-Life                     Build 5433873
Half-Life: Blue Shift         Build 5424832
Half-Life: Opposing Force     Build 5429885
Half-Life: Prospekt           Build 1401535
Half-Life: Source             Build 4233304
Half-Life: Source Enhanced
Half-Life 2                   Build 8546277
Half-Life 2: Episode 1        Build 8546279
Half-Life 2: Episode 2        Build 8546280
Half-Life 2: Lost Coast       Build 8546281
Half-Life 2: DownFall         Build 1764822
Half-Life 2: Year Long Alarm  Build 3061798
Half-Life 2: Community Update