Get Plants vs Zombies: Garden Warfare for Cheap on the Humble Origin Bundle 2
There's a war in the garden, and it looks like you're invited. The too-adorable zombie/plant shooter Plants vs Zombies: Garden Warfare has been around for about a year, and just about anytime there's a sale, you can grab it for cheap. Case in point: for the next 11 or so days, you can get your hands on the game for cheap as part of the Humble Origin Bundle 2.