Users who own this game also own:

Half-Life: Opposing Force
Half-Life: Opposing Force
Half-Life: Blue Shift
Half-Life: Blue Shift
Half-Life: Front Line Force
Half-Life: Front Line Force
Half-Life 2: Episode One
Half-Life 2: Episode One
Half-Life 2
Half-Life 2

Users who love this game also love:

Grand Theft Auto III
Grand Theft Auto III
Left 4 Dead 2: Crash Course
Left 4 Dead 2: Crash Course
Payday 2: Gage Sniper Pack
Payday 2: Gage Sniper Pack
Grand Theft Auto Mission Pack #2: London 1961
Grand Theft Auto Mission Pack #2: London 1961
Grand Theft Auto: Vice City
Grand Theft Auto: Vice City