Ratchet & Clank is a series of 3D platform/shooter vieo games. The franchise is developed by Insomniac Games and High Impact Games and published by Sony Computer Entertainment for the PlayStation 2, PlayStation Portable, and the PlayStation 3 video game systems. The game will only be available on Sony consoles due to a contract signed with Sony in 2002. The game follows the exploits of Ratchet (a humanoid creature known as a Lombax that is very handy with tools) and Clank (a diminutive sentient robot that befriends Ratchet) as they save the galaxy from various evil forces. The series is noted for the inclusion of many exotic and unique weapons and gadgets.