Free • No download
About Orbital defense
Defend Earth from endless waves of enemies! Upgrade defenses, battle bosses, and earn bonuses in Orbital Defense. Enjoy sleek vector graphics as you fortify the planet and satellites.
How to play
All actions are performed with a single tap (or a left mouse click). During the battle, one tap will reverse the direction of your defense satellites — they will start moving in a clockwise or counterclockwise direction. To navigate the menus and selection screens, just tap the buttons. The only exception is adjusting the volume — there, you need to hold down or repeatedly tap the slider to set the desired sound level.
Screenshots
Orbital defense FAQ
Is Orbital defense free to play?
Yes. You can play Orbital defense online for free without buying the game or creating an account.
Can I play on mobile or a Chromebook?
Yes. The game runs in a modern browser on phones, tablets, laptops, desktops, and Chromebooks.
Do I need to download anything?
No. Press Play and the browser game loads directly on this page.
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