On the Title screen, hold Up, Select, A and B, then press Start.
Ending 1 (Best Ending)
Beat the game with the Mystic (Princess) in your party.
Ending 2 (Good Ending)
Beat the game without having the Mystic (Princess) in your party.
Ending 3 (Bad Ending)
Use the stage Select Cheat.
Hard Mode
To enable hard mode, hold A+B+Left at the title screen and press Start. Enemy bullets fly twice as fast, and bosses have doubled health.
No Boss
Place the monk in front at the end of the level. Press A + B to execute the special move when the Boss' music begins to play. The monk and Boss will disappear.
Stage Select
Enter the 50,000 Yen code, then press Start. When "Round 1" appears, hold Right, and press Start the number of times equal to the number of stages you wish to skip.
50,000 Yen...