Type "SML" as your name to race with radio controlled boat

BIG : Makes your head much bigger than normal.
POW : Makes your external engine much bigger than normal but doesn't seem to speed up the boat.
BAA : Makes opponents go much slower than normal.
WIN : Same as BAA.

To make these cheats work for sure, enter the 3 letter code in password (which will say "Incorrect Password") as well as entering them as your name.