Codes

  • In-Game Codes

    EffectCode
    Full Power-Up in Gradius IVAfter beating one level and end boss, pause the game and press Up, Up, Down, Down, Left, Right, Left, Right, X, Circle
    Full Power-Up with Double ShotPause the game and press Up, Up, Down, Down, Left, Right, Left, Right, Square, Triangle
    Full Weapons (Only can be used once for each completed level.)Pause the game and press Up, Up, Down, Down, Left, Right, Left, Right, X, O

    Contributed By: lugnut, karasu99, and DConnoy.

  • Power Ups (Lasers, Missles, Options, Double Lasers)

    While you are in the game pause the game and enter the following codes. (Note you may only enter 1 code per level. So if you play a level without using a code that means the next level you may enter 2 codes.)

    EffectCode
    Power-Up 1 (Lasers, Double missles, and Options)up, up, down, down, left, right, left, right, L2, R2
    Power-Up 2 (Double Options, Lasers, Missles, Shield)Up, Up, Down, Down, Left, Right, Left, Right, L1, R1

    Contributed By: Sephirothdadarkangel.

Unlockables

  • Unlockables

    UnlockableHow to Unlock
    Extra EditIn Gradius III, finish the game once or play for at least ten hours. Extra Edit will become available, allowing you to edit a weapon combination from all the weapons.
    Extra Mode / Cube AttackIn Gradius III, complete up to level 8, and under the game's menu, Extra Mode will become available. This is basically a screen that lists all the game's extra features, as you accumulate them. The first Extra Mode item is ''Cube Attack.''
    Gradius I Mini-Game in Gradius IIIIn Stage 10, when you are at the last boss of the game, get hit by the boss' attack that comes out of the mouth. You will then be taken to the first stage from Gradius 1. This mode will then be unlocked in ''Extra Mode''.
    Gradius IV Stage SelectComplete the game without using one continue to unlock Stage Select in the main menu of Gradius IV.
    More Extra EditAfter getting the first Extra Edit, beat the game again or have a total play time of at least 20 hours. Even more Extra Edit weapons will be available.
    Salamander Mini-Game in Gradius IIIIn Stage 10, when you are at the last boss of the game, get hit by the boss' attack that comes out of the mouth. You will then be taken to the first stage from Salamander (AKA Life Force in NA for NES). This mode will then be unlocked in ''Extra Mode''.

    Contributed By: karasu99 and Asch The Hated.

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