Bulletstorm

GameFly has Bulletstorm (PC Digital Download) for $5 - 20% off coupon code1GFT82012 = $4

HERE

Amazon Downloads

Quantum Conundrum $3.75 via GAMEFLY

Split / Second $4.00 via AMAZON

Fallout 3 for $3.39

Vanilla Editon but add your own content with 

tons of mods available for it.

$3.39