Operation Thunderbolt

Cheat mode:
Enter one of the following names at the high score screen to activate the corresponding cheat function.
Note: Some codes require a score of at least 50,000 points.

Code                        Effect
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WIGAN NINJA or EDOM TAEHC   Unlimited lives
SPECCY MODE                 Double enemies
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Laser sight:
Press [F8] [F7] [F6] [F5] [F4] [F3] [F8] then press [F1] three times (for player one) or [F2] three times (for player two).
Alternatively, press [F8] + Fire at the title screen (for player one), or [F2] + Fire (for two players).