Level Password
Level 1, Area 2 CLL
Level 1, Area 3 CRR
Level 2, Area 1 FGD
Level 2, Area 2 FLJ
Level 2, Area 3 FRN
Level 3, Area 1 HGD
Level 3, Area 2 HLG
Level 3, Area 3 HRL
Level 4, Area 1 KGG
Level 4, Area 2 KLD
Level 4, Area 3 KRJ
Level 5, Area 1 MGJ
Level 5, Area 2 MLD
Level 6, Area 1 PGL
Level 6, Area 2 PLG
Level 6, Area 3 PRD

View ending sequence
Pause the game and press Square, Circle, Triangle, Right, Left, Down, R1, L2, R2, R1.

Level Skip
Pause, Square, Circle, Triangle, Right, Left, Down, R1, L2, R2, L1.

Invincibility
Pause, Square, Square, Circle, Circle, Triangle, X, Square, Up, Up, Down, Down, L1, R1, Select.