All Grappling Hooks and Randoms Mode At the main menu, enter Y(2), L, Y(2), White

Super Boost Wheelie Mode At the main menu, enter Y, White, X, R, X, L, Start

All Atomic Snowballs Mode At the main menu, enter X(3), White, Y

Everyone Invisible At the main menu, enter X, Y, X, R, Y(2)

All Randoms Mode At the main menu, enter Black, R, X, Y, Black, R

Clone Mode At the main menu, enter White, L(2), Y, White, Y

Expert Mode At the main menu, enter Y, X, Y(2), X

No drones Mode At the main menu, enter X(2), Y(2), White, Black

No Power-ups Mode At the main menu, enter X(2), Y, X, R, X

All Boost Mode At the main menu, enter Y, Black(2), Y, R

All Snow Bombs and Randoms Mode At the main menu, enter Y(2), Black, R

All Rooster Tails Mode At the main menu, enter Black, R, L, White, X

Get More Planes Beat any 2 levels without returning to the air base in a row to get more planes.

Extra Money Destroy any airborn targets with your GUNS instead of missiles and you will get double the money bonus at the end.