Ratchet & Clank All 4 One 2011 Game Cover
Ratchet & Clank: All 4 One is a four-player cooperative video game developed by Insomniac Games and published by Sony Computer Entertainment exclusively for the PlayStation 3 which was released on October 18, 2011 in North America and October 20, 2011 in Europe. It is the ninth installment in the Ratchet & Clank series.