Top : Games : Video Games : Platform : Sonic the Hedgehog Series :
Sonic Battle
Websites
Includes information, FAQs, guides, cheats, reviews, downloads, and a message board.
http://www.gamefaqs.com/portable/gbadvance/data/36618.html
Includes a collection of cheats.
http://www.ngaming.co.uk/cheats/1680.php