Level Select / Energy Gain
At opening credits press L, Up, X, Up, R, Y. If you do this correctly an extra green line will
appear at the bottom of the screen and a warning screen will appear. Just ignore it. Now enter A +
Y for level select and then enter B + X for energy gain. To use level select at the beginning of a level, just press Select.
Go ahead, use these passwords. We won't judge you ...