Quake 2

In this shooter you have to play as a soldier who needs to close the portal to save the Earth from alien invaders. You will have a chance to complete 36 story levels and try out all kinds of weapons.

There is also multiplayer in this game, where people constantly fight each other on small maps. The player can choose from a variety of modes, such as free-for-all, duel, and team deathmatch.