Super passwords:
The following password will give you three Sub Tanks, four Heart Tanks, the Robot Capsule for the underwater ride armor, and the Air Dash upgrade for your legs. Also, only Gravity beetle is destroyed and Zero is not dead: 4521-4887-6256-1141.

Defeating Bit
Use Triad Thunder to do more damage while fighting Bit.

Alternate Boss:
Destroy Bit with the Triad Thunder or the Frost Shield, and Byte with the Drill Fang. You will encounter a different Boss at the final Boss stage.

Easy power-ups:
Use the Frost Shield on enemies. Not all enemies will give out power-ups, but most will give out big and small.

Easy extra lives:
In the Doppler stage, where you must defeat all the Bosses, shoot the Beam Saber on the standing object. Usually if you shoot on it, healing power-ups will appear. However, if you shoot on it with the Beam Saber an extra life will appear.

X-Saber enhancement:
Enter 3317-8353-6772-3824 as a password.

Zero's green sword blaster:
Enter 1454-3535-6162-7162 as a password. Just charge up and release it.