Mystical Ninja Cheats - Nintendo DS
Primary Collection of Cheats
Alternate costumes
Collect all 30 Elephant Statues to unlock new costumes for all four characters.
Mystical Ninja History Lessons
Also have the Game Boy Advance game Kessakusen! Ganbare Goemon 1+2 inserted. At select locations throughout the game, various characters from the Game Boy Advance game will appear and tell you things about Goemon's past.
Space-Manbo mini-game
Also have the Game Boy Advance game Kessakusen! Ganbare Goemon 1+2 inserted. At the mini game menu, Space-Manbo will now be unlocked.
Hints
Goemon New Age Shutsudou! reference
In the second town's underground prison, New Aged Goemon can be found occupying the second jail cell for his "crimes against the Goemon franchise".