Ratchet & Clank Future: A Crack In Time

From the back cover: "With best friend Clank missing and arch-nemesis Dr. Nefarious plotting evil at the center of the universe, things look bad for Ratchet. And to make matters worse, a secret from deep within Clank's metallic memory is about to be revealed. A secret that could split our heroes apart forever... New Time Gameplay Outrageous Weapons Epic Story