Killing Floor
Posted in5 to 7 Player Co-op Campaign 5 to 7 Player Co-op Mode 5 to 7 Player Online

Killing Floor

Killing Floor is a Co-op Survival Horror FPS set in the devastated cities and countryside of England after a series of cloning experiments for the military goes horribly wrong. You and your friends are members of the military dropped into these locations with a simple mission: Survive long enough to cleanse the area of the failed experiments!
Half-Life
Posted in8 Player or more LAN 8 Player or more Online 8 Player or more Versus Mode

Half-Life

Named Game of the Year by over 50 publications, Valve's debut title blends action and adventure with award-winning technology to create a frighteningly realistic world where players must think to survive. Also includes an exciting multiplayer mode that allows you to play against friends and enemies around the world.