Double Weapon:
Beat the first boss, pause then press Up, Up, Down, Down, Left, Right, Left, Right, Square, Triangle.
Laser Weapon:
Beat the first boss, pause then press Up, Up, Down, Down, Left, Right, Left, Right, X, Circle.
Get the best selection of Cheats, Codes, Walkthroughs/Guides/FAQs, Unlockables, Tips, Tricks, Secrets, and more from Cheat Code Central.The Genie has more
Gradius III & IV Cheats at CheatingDome.com.