Thunder Force II Cheats
At the title screen, press and hold A, B, C, and then press Start.
Contributed By: Doodleheimer.
Thunder Force III Cheats
Enable Special Weapons
While playing pause and press:
up 10 times, B, Down 2 times, then continously tap B until the weapon meter is replenished. Press A for the claw. This secret only works with each new life.
Unlock More Options
During the title screen first hold:
A+B+C, finally press Start
Two Player Mode
Plug in the second remote and you can both control the ship.
Contributed By: Mark Lanegan.
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