Doom II

After single-handedly saving Mars from demonic threat, the last remaining space marine returns to Earth only to find out that the demons have already invaded it, killed most of its inhabitants or possessed them. It's his task to bring down the force field around the last operational star port to allow the remnants of mankind to escape to the stars.

The game adds one new weapon to the player's arsenal; the super shotgun, several new demon types with more advanced attacks than those of the predecessor, such as the chaingun-toting Heavy Weapon Dudes, the skeletal Revenants who launch homing missiles and the sinister Arch-Viles who have a highly damaging fire attack.