Alongside major announcements of Resistance 3 and Mass Effect 2 coming to PS3, Sony also unveiled the newest iteration of the Ratchet and Clank series at GamesCon in Cologne, Germany today. The upcoming platform adventure game from Insomniac Games will feature 4 player online co-op play, with a choice of Ratchet, Clank, Quark, or Dr. Nefarious as playable characters.