"As a bonus we've included an AmmoMule wallpaper that depicts ammo high-fiving a slice of bacon."
Whatever it is I'm buying, and what it is is Monday Night Combat for XBLA. In case you missed the release trailer for the upcoming game, it's a class-based, third person shooter that revolves around a sort of Running Man style game show where players kill each other for cash. Its style is also pretty blatantly influenced by Team Fortress 2 and the new mock ad for it above, which was all rendered in real time using the game's engine, only reaffirms that fact.
See, everything in the world of Monday Night Combat is sponsored. As you play the game you earn cash and cash can buy you sponsored upgrades like the AmmoMule ammo upgrade, which increases clip size for any class in the game. These upgrades are all part of the extensive career mode the game is going to feature that will let you become one of the top stars of Monday Night Combat if you're any good at it.
In case you also needed a few more things that don't actually affect the game, but show that their marketing team knows what is awesome in life, then you might want to know that the music for the ad was produced by the guys who composed music for God of War 1, 2, 3, Darksiders and Borderlands. That banjo you hear in the ad was played by Bill Knopf, a former banjo player for the original Dukes of Hazzard TV show. Random, but awesome none the less.