Enter the passwords listed below at the in-game cheats menu to achieve the desired result.

• Enemy defense doubles - SLRMLSSM
• Enemy power doubles - MSRLSMML
• Healing items become sushi - SLLMRSLD
• Infinite shurikens - LMDRRMSR
• Invincibility - MDLDSSLR
• Max ougi - RRDMLSDL
• No healing items - DMLDMRLD
• No shurikens - LLMSRDMS
• One-hit death - LDMSLRDD