AirGatling weapon:
Enter GSASINRI as a password at the suspicious looking pink tank in first town to unlock the AirGatling weapon for the sub-weapon B configuration. It is for shooting down aerial targets only.
Grand Flag:
Enter ODGRITRO as a password at the suspicious looking pink tank in first town.
Angel Wings special part:
Successfully complete the game to unlock the Angel Wings part. These allow you to fly without using a lot of fuel.
1000 Gold:
Enter KWNOHIRO as a password at the suspicious looking pink tank in first town.
Boundbomb weapon:
Enter KKHWEEEE as a password at the suspicious looking pink tank in first town.
Devil Wing special part:
Win all arena battles to earn the Devil Wing special part.
