Ratchet & Clank Future: Quest for Booty

from the publisher:

Plot a course to the planet Merdegraw for a fun-size follow-up to Ratchet & Clank: Tools of Destruction.

The mysterious Zoni have taken Clank! Now Ratchet must use his space-age weapons and new Omniwrench to battle Captain Darkwater's band of cut-throat ghost pirates to find the Fulcrum Star - a lost treasure that could be the link to finding his best friend.

If you're up for a swashbuckling adventure through outer space, then download Ratchet & Clank: Quest for Booty and help Ratchet track down Clank and find out just who is pulling the strings along the way...

* New challenges, new wrench gameplay and new locations as Ratchet & Clank head off on an exciting treasure hunt
* Test your pirate wits: Mix brew, manipulate shadows and play tunes to find vital clues to Captain Angstrom Darkwater's treasure
* Travel to four exotic new locations and fight new pirate enemies including an epic final battle with Captain Darkwater