GameBoy Advance Cheats: Zatch Bell! Electric Arena Cheats

Unlock Character: Brago & Sherry
Beat them in the Story mode

Unlock Character: Rops & Apolo
Beat them in the Story mode

Unlock mode: VS Survival
Complete the game once

Unlock Character: Kanchome & Folgore
Beat them in the Story mode

Unlock Character: Tia & Megumi
Beat them in the Story mode

Unlock mode: Mini-game "Create a Volcan!!"
Complete the game once

Unlock mode: VS Challenge
Complete the game once

Unlock Character: Kolulu & Lori
Beat them in the Story mode