Level select:
Press X, X, WHITE, WHITE, Y, Y, WHITE, X, Y, Y, X, WHITE at the "Press Start"
screen.

Extra money:
Press Y, X, WHITE, Y, X, WHITE, X, X, Y, WHITE, X, Y at the "Press Start"
screen.

Reputation:
Press Y, Y, WHITE, X, X, WHITE, Y, Y, Y, X, X, X at the "Press Start" screen.