Every weekend Valve puts up one game on their Steam download service that is sold for 50 percent or more for just a couple of days. This weekend, they have one of the best games in recent years at a bargain price. We are speaking of Bioshock, the innovative and visually terrific first person shooter from developer 2K Boston/Australia and publisher 2K Games.

If you haven't experienced exploring the underwater city of Rapture and trying to save or kill Little Sisters, you owe it to yourself to download the PC version of the game via Steam for just $14.99 before Monday. Oh, did you hear there's a sequel and a movie version in the works? Yep, it definately something that all the kids are talking about.