Having defeated Chairman Drek in their last intergalactic adventure, Ratchet and Clank find themselves returning to a more sedate lifestyle. That is, until they are approached by Abercrombie Fizzwidget, the CRO of Megacorp, who needs the duo to track down the company's most promising experimental project, which has been stolen by a mysterious masked figure. Initially, the mission seemed like a Sunday stroll in the park, but we soon find our heroes entangled in a colossal struggle for control of the galaxy. Along the way, the duo unleashes some of the coolest weapons and gadgets ever invented upon the most dangerous foes they have ever faced. Ratchet and Clanks set out to destroy anything and anyone who stands in their way of discovering the secrets that lie behind "The Experiment."