Kill enemies in one hit
Put in TSUNAMI at the password screen

Invincibility
Enter "Vampire" as a case-sensitive password.

All weapons
Enter "Tornado" as a case-sensitive password.

All ships
Enter "Thunderchild" as a case-sensitive password.

Primary weapons always available
Enter "Dark*Angel" as a case-sensitive password.

Infinite secondary weapons
Enter "Chimera" as a case-sensitive password.

Infinite afterburners
Enter "Avalanche" as a case-sensitive password.

Infinite money
Enter "Hydra" as a case-sensitive password.

Mission and FMV select
Enter "Demon" as a case-sensitive password.

Cheat mode
Enter "Blizzard" as a case-sensitive password to enable infinite secondary weapons, mission selection, all ships, money, and more cheat features.

Disable all cheats
Enter "Stormlord" as a case-sensitive password to disable all active cheats.