Maximum Lives:
Pause, then press L1, Triangle, Down, Left, Circle, Select, Square, Right.

Free Halo:
Pause the game & press R2, Circle, Circle, Down, Left, Circle, Right, Down.

Monkey Shrines Level:
Enter X, R2, Square, X as a password.

Last Level:
Enter X, Triangle, X, X, R1, Square, Circle, X, L1, X as a password.

View FMV Sequences:
Enter one of the following passwords to view the corresponding FMV sequence.
Level 1 Circle, L1, X, Triangle, Square, X, X, X, L1, R1.
Level 2 Circle, R1, Square, Triangle, L1.
Level 3 X, R2, Square, X.
Level 4 Square, R1, Square, X, X, X, Circle, Circle.
Level 5 X, Triangle, X, X, R1, Square, Circle, X, L1, X.