This weekend only, Valve is offering the THQ Collector Pack at 25% off its regular price on Steam, which includes a total of 13 titles such as Dawn of War II, S.T.A.L.K.E.R., Titan Quest, and Company of Heroes.

Marvel Super Hero Squad is a multiplayer adventure game featuring nonstop action-adventure gameplay and epic battles, as well as a breadth of the new, super-stylized Marvel characters.

Dragonica is a free-to-play, cartoon side-scrolling, micro-transaction-based casual MMO mixing elements of action and arcade. Dragonica has added a new high-level Kundara dungeon, and will soon open the doors of the terrifying Van Cliff Fortress along with several other major improvements.

Deca Sports 2, known in some parts of Europe as Sports Island 2, is an athletic offering, pulling together ten sporting events and pushing the player to their limits, fully using the Nunchuk/Wiimote to control your Mii like characters, including multiplayer.

This release sees the complete transformation from Project Entropia, a virtual world utilizing a real cash economy, as it becomes Planet Calypso with beautiful new vistas, a compelling new story and dangerous monsters all rendered in Crytek's CryENGINE 2.

Serious Sam is a high-adrenaline arcade-action shooter heavily focused on frantic arcade-style single player action. In a world where cyberpunk meets fantasy-fiction and advanced technology is mixed with black magic and psycho-powers.

Modern Warfare 2 continues the gripping and heart-racing saga with an unprecedented level of action as players face off against a new threat dedicated to bringing the world to the brink of collapse. Infinity Ward has confirmed that the Akimbo perk will let you dual wield, but for fans afraid of balancing issues, IW stated that the perk is temporary, and various techniques have been implemented to avoid lopsided gameplay.

Gran Turismo is built for optimal performance and fun racing excitement on the PSP, featuring more than 800 vehicle models from the world’s top manufacturers (over 4,500 total paint variations) and more than 30 tracks (60+ total layouts), including famous world circuits, city courses and other environments.

Brütal Legend is a 3rd person action/adventure starring Jack Black in the role of roadie Eddie Riggs, who sets on an epic quest to build an army of rockers with only a broad axe, a big block V8 and his faithful guitar in hand.