8:30 AM

Is this... The Valvengers? The Hulk, Hawkeye, Iron Man, Nick Fury, Black Widow, Captain America and Thor (poor Thor) all transformed into Valve characters. With the Scout and the Soldier from Team Fortress 2 and a zombie from Left 4 Dead, teaming up with Gordon Freeman, this team probably wouldn't function smoothly.

5:00 PM

Thanks to the efficiencies afforded by Linux, "we skipped Valve time," jokes Valve, and the Left 4 Dead 2 Linux beta is available right now. Access to authoring tools and a beta dedicated server come with it, if you own the game already.