Hungry Shark Evolution is one of the silliest games we have played, complete with dramatic but catchy music, upgrade abilities, and overall bloody mayhem. Eating elves just adds to the hilariousness.

Just in time for the Discovery Channel's Shark Week is Ubisoft's Hungry Shark Evolution. As a bonus, it is a free Xbox LIVE game to boot. However, if something is free, you know there is a catch ...