Gradius III has unlockables. You must complete the following tasks and finish your game. That means if you donīt die, you wonīt unlock anything, even if you have a saved game after completing the task. You should be careful too: If you load a game without a now unlocked feature, you will lose it again if you finish your game.
Effect - Code
Cube Attack - Survive until level 9. Itīs the cube attack from level 9.
Extra Edit - Complete the game. You will be able to choose more weapons in Extra Mode.
Extra Mode - Survive until level 9. Here you will see most of unlockables.
Gradius - Get hit by a shot of the last boss. Itīs part of the first level from Gradius.
Salamander - Get hit by a shot of the last boss. Itīs part of the first level from Salamander.
Stage Select - Complete the game.
Unlockables in Gradius IV
Gradius IV has unlockables. You must complete the following tasks and finish your game. That means if you donīt die, you wonīt unlock anything, even if you have a saved game after completing the task. You should be careful too: If you load a game without a now unlocked feature, you will lose it again if you finish your game.
Effect - Code
Boss Rush - Complete the game
Stage Select - Complete the game