Left 4 Dead Pre-Order via Steam Available

Steam PC pre-purchase added to mix of pre-launch activities
Valve today announced that you can now pre-order Left 4 Dead via Steam with a 10% discount, for just $44.99. Set in a modern day survival-horror universe, the co-operative gameplay of L4D casts four "Survivors" in an epic struggle against hordes of swarming zombies and terrifying "Boss Infected" mutants. Valve's next generation AI technology, allows for games of 1 to 8 players. Players can play as a Survivor or as one of four types of "Boss Infected", each of whom possess a unique mutant ability such as a 50-foot tongue lasso or a giant belly full of explosive methane gas. The gameplay takes place across four massive campaigns. The "zombie" population of each mission is choreographed by an "AI Director" that monitors the human players’ actions and creates a unique and dramatic experience for them on the fly. The game will be released via Steam on November 18th, while the retail Xbox 360 version will be launched on November 18th across North America and November 21st across Europe.