Cat and Mouse XL. Smash your friend's head in with a crowbar while playing dress up to elude another. Don't forget to piss. Great for LANs.

There's a reason why your coworker still plays this game on weekends. Pick up the Forgotten when you decide to get crushed by him at a LAN.

Grab a beer and smash up a mall with three buddies. Lots of unlockables, but stealth can be confusing at times. Overall an extraordinary co-op game.

The resurrection of a beloved RTS, Rise of Nations is akin to Age of Empires with a focus on tech and resources. Micro not required.

Jedi Academy for the modern man, it's a swordfighting game with customization. Addicting and extremely polished, just watch out for the hidden blades.

The follow up to the extremely popular Sourcemod, Insurgency is a modern combat game with tactics and wit. Realistic to a degree, teamplay is advised.

A fast-paced first person shooter with strategy elements and a focus on team importance. Not for everyone, and especially not for the faint of heart.