Gex Codes -

All Levels Complete:
Enter PZYPRXYL as a password. All levels, including Planet X, will be flagged as completed.

Level	Password
Cemetery 1	SVZFKHGP
Cemetery 2	BXRFYHGP
Cemetery 3	ZVTCYHGP
Jungle Isle 1	KXVKRHKP
Jungle Isle 2	CVHCSHKP
Jungle Isle 3	SVKLPHKP
Jungle Isle 4	CVBLPHKP
New Toonland 1	RVTCSHGP
New Toonland 2	XVVBRHKP
Kung Fuville 1	YTCHPHKP
Kung Fuville 2	ZTDHPHKP
Kung Fuville 3	DXVGRHKP
Rezopolis	GYVYRHKP

Hint: Defeating the Toonville Boss:
Crawl on top of the ceiling. When he is below you, hit the anvil and it will fall on him.