Space Invaders Duel add a twist to the old arcade game classic. You can now play on the side of the aliens and try to destroy the human defence to conquer the earth. Even better, you can play against a friend and see who is better in conquering/defending. Developed by 123flashgames.
ALIENS: Click an alien with the Mouse to make him shoot HUMANS: Arrow Keys: move cannon left and right SPACE: shoot
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