In Philadelphia, Detective Bowden is still grieving for his wife and son, killed in a hit-and-run five years ago. When someone jumps from a skyscraper onto a truck, Bowden is sent to investigate. Meanwhile, five strangers are trapped in an elevator in the building where the jumper committed suicide. The communication radio in the elevator is broken but the guards, Lustig and Ramirez, observe the individuals via CCTV as events unfold. Tensions run high among those trapped, so Lustig calls the police and Detective Bowden assumes the case. Without being able to contact the individuals, he tries to work out who they are, but he can only account for four of them. Time is running out for the occupants of the elevator, as Bowden realizes he has to get them out quickly.

Something has gone wrong at aremote scientific research station on Mars. All research has creased. Communication has failed, and the messages that do get through are less then comforting. It's a level 5 quarantine and the only souls allowed in or out are the Rapid Response Tactical Squad, a squadron armed to the teeth with unprecedented firepower to carry on their mission nothing gets out alive. But a legion of nightmarish creatures of unknown origin lurks behind ever wall and stalks the countless rooms and tunnels.... far more powerful and blood-thirsty than anyone could ever imagine. Doom brings ou all the visceral exitement and starting action that made its game predecessor' a global phenomenon.

Content: information about Space technology ; - - Computers; - - Communication ; - - Energy ; - - Construction; - - Machines.