This Weekend Only - Prey only $4.95 on Steam

[naznatips]

This is a pretty great deal.  Prey is usually $20 on Steam, so if you're looking for a great price on a pretty good FPS game, I suggest you pick this up.  I did. 

http://www.steampowered.com/v/index.php?area=news&id=1509&s=0,541,296,636,482&i=0,211,215,220,340,380,400,420,440,984,3483,6910,6920,7940,10050,12900,12910&cc=US&skin=3&client=1

Prey's Gamerankings reviews http://www.gamerankings.com/htmlpages2/198340.asp?q=Prey