Press Left, Right, Up, Down, B(3), Up, Down at the "Press Start" screen. A sound will confirm correct code entry.
Revisit old levels to replenish health, or stock on some money. It also seems to be endless.
Press B(2), L, R, Up, Down, Up, Left, Right at the "Press Start" screen. A sound will confirm correct code entry.
More Cheats, Achievements
