15. Resistance: Fall of ManWhy It's Great: Resistance
stood out amongst an army of first person shooters by taking the tired World War II formula, and throwing an alien invasion into the mix. As U.S. Army Ranger Sgt. Nathan Hale, you were thrown into this inventive scenario with gun in hand, and a nation that needed saving. With an extensive single-player mode, split-screen co-op, and a fantastically customizable online gameplay, Resistance proved that it wasn't just another launch title, but a whole new form of shooter.