Ganbare Goemon: Toukai Douchuu Ooedo Tengurigaeshi no Maki

Collect all 30 Elephant Statues to unlock new costumes for all four characters.

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".

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.