Left 4 Dead 2‘s co-op zombie FPS was a massive success when it launched in 2009. Because it was made in the Source engine, fans could easily use the game to create new maps and campaigns to keep the game alive long past its launch window. Some fans have taken that to the max and
source engine
Shawn Shaputis broke into Valve last month and stole over $40,000 worth of games and equipment. Maybe he was looking for some kind of Half-Life 3 prototype. Or perhaps he caught wind of a Half-Life 2 update that allows NPC’s to blink and had to see it for himself (while stealing a lot of stuff).