Confused

A few months ago i spent 20 dollars on this game via the auction. I come back now and its now available on steam.
how am i able to get the game i bought on steam or play it. Do i have to buy the game again or?


(User was banned for this post ("undescriptive thread title, didn't read the sticky" - postal))

http://forum.facepunch.com/showthread.php?t=1323628
2nd paragraph.

Login and get your steam key.