This august the company that brought us Half Life, Portal and Team Fortress 2 will be making an appearance at this years Gamescom. They've given no clues about what they plan to announce. No doubt it will be a left 4 dead rehash and dota 2. Looks like ill probably have to wait till 2012 till they release Half life 3 and Counter Strike 2.
Below are VALVE's current games
Whats your favourite valve game?