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.
Passwords
Go ahead, use these passwords. We won't judge you ...
Level Password
2 QBGB
3 VFPD
4 CPRY
5 FCWZ
7 CBBY
8 KKBG
9 CNRN
10 DXHG
11 TMKT
12 YGRZ
13 TQZH