The gripping expansion pack for DOOM 3 takes your even further into the the DOOM universe. Two years following the unexplained disaster on Mars, the UAC returns to the abandoned facility to investigate a mysterious beacon buried deep in the ruins of the ancient civilization. Battle six new demons including the hunters Fight in all new 8-player capture the flag arenas Wield new weapons including the double barreled shotgun Possess demonic powers to use against the enemy Control time to defeat the enemy and evade deadly traps Harness the force of gravity to control your environment Battle through the ancient ruins and into the horrifying depths of hell