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Instructions
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This is a simple side-scrolling game.
You are a helicopter pilot.
Before the marine corp's marching to the city, you have to cover them by all means.
Clean all the targets by dropping bombs.

To drive a helicoter:

UP: pull the chopper up
DOWN: lower the chopper
LEFT: go backward
RIGHT: go forward

f/F: menu
g/G: drop the bomb


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Enhancements
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1. You can see your score immediately on the screen.
2. You can modify levels in the splash screen.
3. The menu looks like a normal menu, even though it is somehow close to an worthless 
   nokia ancient device in terms of appearance.