Enter all these cheats at the player name screen. Be sure to include the leading space for those codes which only have 3 letters such as STR which should have a Space then STR.
BOA All boats
QAK Duck cheat
HURR Gives you the hurricane boat
STR Plays all streams
DAY Unlocks all day tracks
NIT Unlocks all night tracks
RRIM Unlocks all mirror tracks
FRAC Unlocks fractal tracks
WINR Finishes race
