Description: Planetary Orbital Defense is an arcade-style game of all-out alien bombardment. Your city is under attack by aliens, and they don't give up easily! Take control of different units and power-ups to blast those suckers out of orbit. You are Planetary Orbit
Instructions: Use the mouse to aim and shoot. Features: Customizable key controls ~ Sound options ~ Options save between visits ~ optional help feature ~ Kongregate high scores ~ see 'GameControls' in-game.</p><p><strong>Author's Comments:</strong><br/>An ancient race
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