Access Sound Test
When the title screen appears, hold down A, B and Select.
When at the title screen, press A+Select, B+Select, A+Select then press Start (you should hear a sound letting you know it was done correctly) and during gameplay, hold down Select and press the corresponding direction on the D-Pad below:
Effect Code Coins Left Energy Down Extra Lives Up-Right Invincibility Right Jumping Shoes Up Moon Mirror Up-Left Weapon Strength Down-Left Zap's Energy Down-Right
Increase Credits (Japanese Version)
Effect Code Increase Credits At the title screen, press Select + B and then press at the same time A + B multiple times.
Contributed By: ReyVGM.
In Stage 2, after the mid-point (of where you fight the dog and the soldier at the stairway), go to the area where Kim's second shop is. Continue right and find some pits. Jump down the second pit, and you'll find yourself in a hidden area, of where you'll battle a warrior guarding a cage. After a few hits, the warrior will retreat. A princess will appear. She will give you the Moon Mirror.
Contributed By: Gigatek.
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