Little Ninja Brothers Cheats

Insert the following password into the in-game cheats menu to access the game's final boss: HP3N66V3R55V4-NT7VF543HKF353PCHZ5YCL-66

Little Ninja Brothers Cheat: See the Ending

To view the game's ending automatically without having to beat the game, insert ENDING into the in-game passwords menu.

Little Ninja Brothers Unlockable: Sound Test

To unlock the game's hidden Sound Test, where you can listen to all in-game music, insert SOUND into the in-game password menu.