Super Thunder Blade
Avoid enemy fire:
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Begin the game with hard difficulty. Stay in the upper right or left
corners and fire your weapon continuously in levels 1 through 3.
Extra lives:
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Enable the level select code and get a continue. Highlight ''Option''
and hold A + B + C, and press Start. A picture of a panda will appear
on the ''Player'' selection to confirm the code.
Level select:
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Press these controller actions at the title screen to begin at the desired
level.
Level 2:
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Press A, Up, Down, Left, Right, Right, Left, Down, Up, Start.
Level 3:
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Press A, A, Up, Down, Left, Right, Right, Left, Down, Up, Start.
Level 4:
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Press A, A, A, Up, Down, Left, Right, Right, Left, Down, Up, Start.
Level 5:
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Press A, A, A, A, Up, Down, Left, Right, Right, Left, Down, Up, Start.