GDC ‘09: Left 4 Dead Hits 2.5 Million Sold At Retail

Lets face it, Left 4 Dead is a really great game. That’s why Valve was way beyond candid on revealing its latest sales mark reached.
Today, at Valve’s GDC presentation, it was revealed that their cooperative zombie shooter Left 4 Dead has now surpassed the 2.5 million copies sold mark since its November debut, which Michael [...]