 Following the trail of a kidnapped girl named Luna, Ratchet and Clank rediscover a forgotten race of genius inventors known as the Technomites.In this installment, new and recurring weapons and gadgets are introduced, and the skill points and weapon upgrading systems make their return.The armor system has been altered compared to previous games; there are seven types of armor available, all of which are found in different pieces (helmet, body, gloves and boots) on different planets.