Here are some cheats and tips for the game Ultraman Fighting Evolution 2.
Fight as Zetton:
Defeat Zetton in the third ultra mode to unlock him as a playable character.
Fight as Zoffy:
Get defeated by Zetton in the third ultra mode. After an intermission sequence,
you will be able to play as Zoffy. Defeat Zetton as Zoffy to unlock him as a
playable character.