checked-no =>Invincibility: In the Options menu, select the BGM option then play the following songs: He Runs, Japonesque, Shinobi Walk, Sakura, and Getufu. If entered correctly, the final song will not play. Start the game and you'll be invincible. =>Unlimited Shurikens: Enter the Options menu and set the Shuriken count to 0. Set the sound effects option to Shuriken, then move the cursor back to the Shurikens option and leave it there for a bit, until the 0 changes to the infinity symbol. =>30,000 Point Bonus: Finish a level without using any shurikens to receive a 30,000 point bonus.