Keep the Balance (Gameboy Col)
CheatingDome.com
Level Select
Level 2 is already unlocked at the start, also the credits password, as far as i can tell, does the same thing as the Level 5 password, but for some reason they give this to you after you've already beaten level 5, so it might do something.
Effect
Password
Credits
CLRD
Level 3
GMBL
Llevel 4
SPCD
Level 5
RTTN