GameFAQs
- Release data and a message board.
- http://www.gamefaqs.com/portable/psp/data/932613.html

GameZone
- Review, interview, previews, screenshots, and links.
- http://psp.gamezone.com/gamesell/p29401.htm

1UP
- Review, by Joe Rybicki: "It's plenty diverting, and it's a competent addition to the PSP's slim 3D platformer selection." [Score: 7 out of 10]
- http://www.1up.com/do/reviewPage?cId=3157169

GamePro
- Review, by Mr. Marbles: "When a PS2 franchise moves to the smaller PSP, it usually results in a flop. However, recent titles like Metal Gear Portable Ops proved that the transition doesn't have to be painful, and you can definitely add Size Matters t
- http://www.gamepro.com/sony/psp/games/reviews/98228.shtml

GameSpot
- Reviews, news, previews, images, videos, links, and a forum.
- http://www.gamespot.com/psp/action/ratchetclank/

GameStats
- Screenshots, videos, article links, average scores, and a message board.
- http://www.gamestats.com/objects/824/824315/

IGN
- Screenshots, videos, reviews, previews, news, and a message board.
- http://psp.ign.com/objects/824/824315.html

GameSpy
- Review, previews, and screenshots.
- http://psp.gamespy.com/playstation-portable/ratchet-and-clank/