HellBored Cheats

Zatch Bell!: Mamodo Battles

Unlock Maestro
You must win mode Time Attack mode at least 300 times. Then, Maestro will challenge you. Defeat him and he will be unlocked as a playable character.

Unlock Zeon/Deufo
Complete Zeon's Story Mode.

Unlockable: Wonrei/Li-en
Complete Zatch's entire story mode.