i found some entrys in gamenetwork databases:

http://consoles.gwn.com/games/gameinfo.php/id/34617/platform/gameboyadvance/title/Fuzz_and_Rocket.html


"The game features a varied and challenging gameplay that will entertain players for hours, 6 unique worlds, 30+ action-packed levels, 70+ pieces of unlockable content, and numerous mini games."

source: http://www.gamestats.com/objects/748/748796/

you have a beta or a prototype build.