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Use mouse to aim and shoot. Space bar to use super weapon.
If the game freezes, just click inside it (games can get unresponsive if you click elsewhere on the page).

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GAME DESCRIPTION:

Description Orbital Guard drops you in the hot seat of the Mars planetary defense station, shooting down wave upon wave of asteroids and alien threats. In high quality, pre-rendered isometric, defend fleeing escape pods, upgrade firepower, unlock killstreak super weapon rewards and face the final wave in this intense arcade action defense shooter.

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