Alien Attack unblocked
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About Alien Attack
Try to defend your planet from a terrible Alien Attack! Move left and right with the directional arrows and press the left mouse button to shoot. Try to survive as long as you can against this massive endless invasion!
Alien Attack is free to play at Underground Games — no download, no sign-up, and it works on school and work networks. Hit play above and the game loads instantly in your browser. Want more? Try the other arcade games below, or browse the full library of 1,579+ unblocked games.
- Category: arcade
- Plays on: desktop & mobile browsers
- Price: free