Cheat Codes
To enable these codes, start a game and press Stop + L. Then press B, Up, B, B, A. The cheats will appear in the lower left corner of the screen. To enable any of the modes, press the Start/Pause button.
Lee Mode - Makes you invisible
Level Select - Go to any stage of any level (press L or R to pick a level)
Location - Shows grid location (for programming)
Frame rate - Shows the number of frames displayed each second
Smart bomb - Destroys all visible enemies