All power-ups:
Enter 5656 as a password.

Boss mode:
Enter 9437 as a password to start at full power and fight only the Bosses.

Ocean level with all items:
Enter 4622 as a password.

Ending sequence:
Enter 0278 as a password.

Level	Password
Forest 1	7693
Forest 2	3905
Forest 3	2438
Forest 4	8261
Forest Boss	1893
Ocean 1	2805
Ocean 2	9271
Ocean 3	1354
Ocean 4	4915
Ocean Boss	8649
Wind 1	0238
Wind 2	5943
Wind 3	6045
Wind 4	2850
Wind Boss	8146
Cloud 1	9156
Cloud 2	2715
Cloud 3	4707
Cloud 4	7046
Cloud Boss	0687
Evil 1	3725
Evil 2	0157
Evil 3	5826
Evil 4	9587
Evil Boss	3752