Level Passwords
Level Password
2 MPWBBWLB
3 3FHBGWLB
4 6PZLBXLB
5 FFBDBWCB
6 QPCNBWCB
7 0GGDGCMB
8 BQHNBXMB
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GraveYard
Enter the following at the password entry screen.
LYBBBB
BBBBBB
BBBBLY
Unlock All Levels
At the password entry screen enter:
EBDNKG
3BBBBB
BB3HBL
Go to the diagonal platform at level 4. Then repeatedly press A to remain on the platform long enough to find the rapid-fire gun.
Level Select
Enter LEFT,RIGHT,UP,UP,DOWN,UP,RIGHT,LEFT at the title screen.
Invulnerability
Enter UP,DOWN,DOWN,LEFT,RIGHT,LEFT,UP,UP at the title screen.Note: If you want both Invulnerability and Level Select, you must enter this code first.
Tags: Gameboy-ColorTo unlock the Cheat Menu you must enter in the following code at the Main Menu screen.
Hightlight “UNDERCOVER” and hit UP, UP, DOWN, DOWN, UP, DOWN, UP, DOWN, UP, UP, DOWN AND DOWN.
Another menu option will be available to you called Cheats. Access this option and turn on or off any of the option by pressing RIGHT to activate and pressing LEFT to de-activate.
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