Mode Selection
Aerostar has three levels of difficulty: Easy, Normal, and Hard.
Select a mode using the control pad, then press START.
Continue
Each difficulty level has a limited number of credits to continue your game from the beginning of the current stage.
To continue, wait for the "continue" screen and press the "START" button before the counter reaches 0.
Difficulty Levels
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Extra ships: 1st at 10,000, 2nd at 20,000 (one each 20,000 thereafter)
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Other: Enemies' speed is 1/2 that of normal
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Extra ships: 1st at 20,000, 2nd at 30,000 (one each 30,000 thereafter)
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Extra ships: 1st at 30,000, 2nd at 40,000 (one each 40,000 thereafter)
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Other: Enemies' speed and shots are 2X that of normal
Game Play
Aerostar is a vertically-scrolling game with two perspectives: ground and air.
While on the ground, Aerostar can only travel down specific "lanes."
Aerostar may jump (or fly) temporarily from lane to lane when there is energy on the "jump gauge."
If you fail to land on a lane or stay airborne too long, Aerostar will crash, and you will lose one ship.
You can destroy both ground and overhead enemies while on the ground, and you are safe from flying enemies.
While airborne, you are safe from ground attacks but cannot fire.
Additional Notes
Aerostar will remain airborne as long as the A Button is held or until the "jump gauge" is empty.
There are 2 basic types of enemy fire:
Firepower & Defense
Destroying a particular enemy can increase or change Aerostar's offensive and defensive capabilities.
Once an enemy is destroyed, continue firing to reach the desired letter. This technique can also change Aerostar's capabilities from one to another.
Aerostar may utilize only one type of weapon and one type of protection at a time.
Firepower
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Not the most powerful, but the spread of this shot allows you to hit numerous enemies at one time.
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Cannot be fired quickly.
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