about this game...

prototype4

Instructions: use your mouse to move the spaceship. The ship fires automatically. Avoid being hit by the enemies. Collect powerups to restore your energy and to improve your weapon.

This is a HTML5 canvas game written in JavaScript. No flash is used. Use a modern browser like Chrome, Safari or Firefox for smooth graphics.

Programmed by Sebastian Volland.

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Fork me on GitHub See my Experiment on ChromeExperiments.com