| Gradius III and IV |
| All Power-Ups At any time during gameplay, press Sart to pause the game, then enter any of the following codes bellow. Each one will take effect immediatelyafter pressing Start again to unpause. Remember, these codes will only work if the "Game Level" setting option mode is set to 3 or lower. Even then, you may only use either code a number of times equal to 1 + the number of stages you've cleared in your current game. All Power-Ups plus Laser--- Press Up, Up, Down, Down, Left, Right, Left, Right, X, O All Power-Ups plus Double--- Press Up, Up, Down, Down, Left, Right, Left, Right, Square, Triangle |