Advance To Rapier Class
This will give you faster ships and tougher competition. Highlight ONE PLAYER, then press and hold the following: L2, R2, Left, Start, Select, X
Secret Track
Highlight ONE PLAYER, then press and hold the following: R1, L1, Right, Start, Circle, Square, X
Note: (If you save your stats to a memory card after using these codes, reloading the stats will also re-enable these cheats.)
Full Turbo Start
Push thrust at the very moment the announcer ends the word "One", but not before his voice trails off. Timing is crucial in this trick, so you will probably have to practice.
Kali Mode
At the passwords screen, enter X, Circle, Circle, Square, X, Triangle, Circle, Triangle. You'll see the words "Kali Mode" if you did it correctly. You now have added firepower with your Super Swarmers!
Thor Mode
At the passwords screen, enter Square, Circle, Square, Square, Triangle, X, Triangle, Triangle. When you see the words "Thor Mode" you've done it right and now have access to Flash Bombs.
Inifinite Weapon
At the password screen, enter Triangle, Triangle, Circle, Triangle, Square, Triangle, triangle, X. WHen you see the words "Infinite Weapons" you have done it correctly.
Invincibility
At the password screen, enter Circle, Circle, Circle, Space, X, Triangle, X, X.