Giga Wing 2 cheats and cheat codes for Dreamcast

Unlock bonus levels in score attack mode:
Finish arcade mode once

Unlock 5 bonus planes from Giga Wing:
Finish the game in any difficulty mode with the indicated character
without using a single continue to unlock planes.

Character - Unlockable plane:
Finish with Chery - Carmine
Finish with Kart - Raijin
Finish with Limi - Stranger
Finish with Ralugo - Widerstand
Finish with Romi - Purchka