Area Select

Lose a game. On controller two, press: Left Right A B A Down Up. Don't press them too fast; be sure to release each button before you press the next button. Then on controller one, hold A, and press Select to choose the area. Release A, select "1P CONT", and press Start to play.

Show Secret Passages

At the title screen, on controller two, press: Left, Left, Left, B, B, A, A, A, A, Right. Then on controller one press Start.