Silpheed: The Lost Planet
All Weapons (US Version)
At the enter name screen input GLOIRE.
Contributed By: Simdog.
Start Game with All Nine Weapons (JP Version)
Enter ''XACALITE'' as your code name to begin Stage 1 with all nine weapons available.
Contributed By: CJayC.
rack up more points
The closer you are to an enemy when shooting him down, the higher will be your points multiplier. The multiplier ranges from 1x, 2x, 4x, 8x to 16x depending on your position.
Contributed By: KeeperBvK.