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