Half-Life is a series of first-person shooter video games that share a single science fiction alternate history.

Battlefield is a series of first-person shooter video games that started out on Microsoft Windows and OS X.

Teeworlds is a free, open source sidescrolling multiplayer shooting game.

Soldat is a popular unique 2D side-view multiplayer action game.

Alien Swarm is a freeware multiplayer top-down shooter video game.

Mafia is a series of action-adventure video games that are set in fictional locales modeled after American cities, and usually take place in a historical sett…

Alien Arena is a fast, free FPS deathmatch game.

Counter-Strike is a series of multiplayer first-person shooter video games, in which teams of terrorists and counter-terrorists battle to, respectively, perpe…

Grand Theft Auto is an action-adventure video game series.

Borderlands is a series of action role-playing first-person shooter video games in a space western/science fantasy setting.

Red Eclipse is a fun-filled new take on the first person arena shooter, built as a total conversion of Cube Engine 2.

BioShock is a first-person shooter video game series.

Mass Effect (Series) is action RPG game series.

TrueCombat: Elite & CQB is a tactical-teamplay oriented, modern-world combat simulation game.