Gradius III and IV
Codes
In-Game Codes
Code Effect After beating one level and end boss, pause the game and press Up, Up, Down, Down, Left, Right, Left, Right, X, Circle Full Power-Up in Gradius IV Pause the game and press Up, Up, Down, Down, Left, Right, Left, Right, Square, Triangle Full Power-Up with Double Shot Pause the game and press Up, Up, Down, Down, Left, Right, Left, Right, X, O Full Weapons (Only can be used once for each completed level.) 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.)
Code Effect up, up, down, down, left, right, left, right, L2, R2 Power-Up 1 (Lasers, Double missles, and Options) Up, Up, Down, Down, Left, Right, Left, Right, L1, R1 Power-Up 2 (Double Options, Lasers, Missles, Shield) Contributed By: Sephirothdadarkangel.
Unlockables
Unlockables
Unlockable How to Unlock Extra Edit In 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 Attack In 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 III In 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 Select Complete the game without using one continue to unlock Stage Select in the main menu of Gradius IV. More Extra Edit After 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 III In 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.
Know Something We Don't?
You can submit new cheat codes for this game using our Cheat Submission Form.
Have We Been Fooled?
If you see a non-working or fake code in the list above, let us know by using our Problem Submission Form.
Gradius III and IV Resources
GameSpot
Visit GameSpot for more Gradius III and IV, including 1 review, 1 preview, 35 screenshots and 5 gameplay movies.
Game Rankings
Visit Game Rankings for 25 reviews and previews for Gradius III and IV from around the web.
