Taking a break from celestial construction; the King of All Cosmos takes the royal family on vacation to a tropical island paradise; where they become tasked with the responsibility of creating new katamari islands for homeless animals. An epic undertaking of this time; earthly proportions; the King calls upon his pint-sized son; the Prince and all of his cousins for help.
- Wireless play for up to four people on the PSP system;
- A cast of playable characters that includes the Prince and his cousins – a mix of familiar faces and new additions;
- A host of customization options for player characters including new masks and headgear as well as the ability to wear them on the head face and body;
- A new island interface that highlights player options and the different stages represented by animals in need of new homes.