Users who own this game also own:

SiN
SiN
Half-Life
Half-Life
Half-Life: Opposing Force
Half-Life: Opposing Force
Return to Castle Wolfenstein
Return to Castle Wolfenstein
Half-Life 2
Half-Life 2

Users who love this game also love:

Quake III Arena
Quake III Arena
Quake
Quake
Unreal
Unreal
Quake II
Quake II
Unreal Mission Pack: Return to Na Pali
Unreal Mission Pack: Return to Na Pali