 Ratchet & Clank : Going Commando ( known as Ratchet & Clank 2 : Locked and Loaded in Europe and Australia , and Ratchet & Clank 2 in Japan ) is a 2003 3D platform video game developed by Insomniac Games and published by Sony Computer Entertainment for the PlayStation 2 . Ratchet & Clank : Going Commando is the second game in the Ratchet & Clank series , following Ratchet & Clank and preceding Ratchet & Clank : Up Your Arsenal . 
