Does anyone play this on their computer? I bought the installation CD's and installed everything. Then I tried using my registration code annnd it didn't work. Said its been used. And for some reason my receipt is gone... I just wanna know if its worth spending another 20 dollars to download. -.-
Did you buy a used copy? because I can't see how a brand new copy would give you that error. Anyways: Also got that error once (long story) and e-mailed valve about it,all they wanted was a picture of the game and its cd key.
What Blitsie said, if it was used, you can't play it. Where did you buy it from? Walmart has some sort of discount where you don't need a receipt. By the way, add my steam account ArmysBlood
