Easy wins...
	Secret characters...
	Unlock the Bungi games...
	Unlock the levels for the clam...

Try to lose racing levels several times and your opponents will also start to lose. Once they do, try to win and it will be easier.

Go into Blast, then press Down(2), Right, Left, Right, Up, Left, Down, Right.

Highlight the Bungi game at the bottom of the game selection screen, then press Up(2), Down(2), Left, Right.

Go to Blast, then press Up(2), Down(2), Left, Right.