I bought the game on Steam Early Access and I cant get it to launch. I just get this popup that never goes away:
http://imgur.com/ea3biNpMy specs:
Windows 8 64 bit
i5 3570k @ 4.4 ghz
SLI gtx 770's
8 gb ram
120 gb SSD
-edit- solved, someone told me I had to press enter.