In today's gaming landscape where so many of the must-have new releases launch at 60 dollars, it's great that the PC is loaded with a ton of affordable alternatives. There are a lot of great games out there that cost less than twenty bucks apiece. Who cares about Battlefield 3 when we can get three, four, five, or even more games for the same price? True diamonds, but with a cubic zirconia price tag, these games span a variety of genres, from turn-based strategy to first person shooters to tower defense. They’re all great games, and all cost less than twenty Washingtons.