Cheats & Hints
Gradius III and IV Cheats & Codes
In-Game Codes
| Code: | Description: |
|---|---|
| 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) |
| 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, X, O | Full Weapons (Only can be used once for each completed level.) |
| Pause the game and press Up, Up, Down, Down, Left, Right, Left, Right, Square, Triangle | Full Power-Up with Double Shot |
