Hidden Level
To make this trick work, collect all of the Diamonds in Stage One. Make sure your Score has double zeros in it (6800, 2001, etc.) Once you reach the bottom get to the elevator that travels down. Don't shoot any enemies or your score will change and the trick won't work. When you reach the bottom of the elevator, run to the right and you will have access to a hidden stage!
Level Skip
During gameplay, pause and press right, left, down, right, B, Start. You will now go to the beginning of the next level.
Reverse Controls
To reverse the directional controls by pausing the game and pressing Up, Up, Down, Down, Left, Right, left, Right, A, B.
