Outer Planet
📱 Mobile 
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About Outer Planet
The outer planet has been invaded by aliens! You need to save the planet and fight back. The game is free to play online. Outer planet alien online game is a free browser game where you fight aliens on different planets.
How to Play
Tap To Play
Frequently Asked Questions
Is Outer Planet free to play?
Yes — Outer Planet is completely free to play on Grapeplay. No downloads, no signup, no payment required.
How do I play Outer Planet?
Tap To Play
Can I play Outer Planet on mobile?
Yes, Outer Planet is built in HTML5 and works on phones, tablets and desktop browsers. Just tap to play.
What kind of game is Outer Planet?
Outer Planet is a Arcade game. Discover more like it in our Arcade section.
