Zatch Bell! Electric Arena Codes -

 

Rauzaruk Zatch and Kiyo:
Get 100% in Zatch Collection. Then, press , , , , , , , , , at the title screen. The background will turn red to confirm correct code entry. Go through Story mode and you should get a new item, #27 Glowing Red Book. You should also get a "complete" picture of the Gang

Completion bonuses:
Successfully complete the game to unlock the Create A Volcan mini-game, Vs. Challenge mode, and Vs. Survival mode.