TF2 is a class-based, multiplayer team warfare game, delivering new game types, a signature art style powered by Valve’s next-gen animation technology, persistent player statistics, etc. The sniper revamp is nearing completion and Valve revealed today that it will add the Razorback, a shield to protect you from getting stabbed in the back by a spy.

The Mario & Luigi series returns with another hilarious action role-playing game, Mario & Luigi RPG 3. Join the Mario Bros. as their travels take them far and wide.

Guitar Hero: World Tour will feature guitar, vocals, drums, the ability to create your own songs (and upload them on GHTunes), four-player on/offline co-op, and an eight-player battle of the bands multiplayer mode (4vs4).

Gears of War 2 picks up six months after the events of the original, thrusting players back into humankind's epic battle for survival against a nightmarish force of underground creatures known as the Locust Horde. Epic's kicking off a double XP weekend, starting Friday, May 15 at 5AM EST (9AM GMT) until Monday, May 18, at 9AM EST (1PM GMT) on all public multiplayer matches.

Dungeon Party, developed by Cyanide, is a free MMOG where two teams of up to 5 players compete over one or more rounds and victory is only assured when one of them gets out of the dungeon with the treasure.

Transformers: Revenge of the Fallen propels players straight into an adrenaline-pumping battle for supremacy across the globe where every second and every choice makes the difference between mankind's salvation and annihilation.

Project Origin continues F.E.A.R.'s supernatural suspense story of an escalating paranormal crisis that threatens to destroy a major American city. Armored Front will add two all-new new maps (Conductor & Decoy), focused on using the Elite Powered Armor, as well as 4 new multiplayer skins.

In DJ Star, music lovers get to imitate their idols and realize their dreams of becoming heroes and heroines of the turntable. Players begin their careers as local turntable novices, and work their way up step by step as they gain experience.

Shatter is a retro-inspired brick-breaking game that merges familiar action with a modern-crafted production approach.

Handheld guitar gods can now choose how they raise-up their band from the underground music scene to worldwide rock stardom, not only featuring a set list comprised of 28 master tracks from influential artists but also an all-new Fan Request system that challenges players to jam like never before.