Users Playing this game are also playing:

Doom II
Doom II
The Ultimate Doom
The Ultimate Doom
Hexen: Beyond Heretic
Hexen: Beyond Heretic
Doom 3
Doom 3
Alien Swarm
Alien Swarm

Users who own this game also own:

Half-Life
Half-Life
Half-Life 2
Half-Life 2
Master Levels for Doom II
Master Levels for Doom II
Portal 2
Portal 2
Half-Life 2: Episode One
Half-Life 2: Episode One

Users who love this game also love:

Doom
Doom
Super Mario World
Super Mario World
The Legend of Zelda: A Link to the Past
The Legend of Zelda: A Link to the Past
The Legend of Zelda: Ocarina of Time
The Legend of Zelda: Ocarina of Time
Super Mario 64
Super Mario 64