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Bonus fighters:
Unlock fifteen or more secrets and complete gameplay under any difficulty level to fly in one of the small Earth fighters. Complete the game under the hard difficulty level without continuing more than two times to fly in one of the Moon fighters from the final level.
Gallery option:
Complete the game with to access a "Gallery" option from the main menu. Select it to view various graphics depicting the ships, weapons, and battles in the game.
Infinite Ammo 800848320063
Infinite Lives 800813c40003
Super Armor 800857180001
Invincible Weapons 8008483003c0
(Top Ammo Pod Position)
Invincible Weapons 80084b6203c0
(Top Ammo Pod Position)
Invincible Weapons 8008498003c0
(Bottom Ammo Pod Position)
Invincible Weapons 80084cb203c0
(Bottom Ammo Pod Position)