Doom

Screenshots:

Background:
The demons of Hell want to take over the Earth and it's up to you as a space marine to stop them. Using everything from your fists to the powerful BFG, you are the one man army determind to save the Earth. You'll come across every type of enemy from former marine buddies of yours to the powerful Cyberdemon capable of killing you in no time flat. If you're tough enough you'll be able to make Hell regret the day they messed with you