Play Space Invaders Online
Defend Earth from waves of descending aliens. Free, instant, no downloads.
What Is Space Invaders?
The iconic 1978 arcade shooter. Move your cannon left and right, fire upward at descending rows of alien invaders, and use your shields for cover. The aliens speed up as you eliminate them.
Space Invaders runs entirely in your browser with no downloads or signups required. It works on desktop and mobile devices. Whether you have five minutes or an hour, Space Invaders is a perfect way to relax and challenge yourself.
Controls
| Key | Action |
|---|---|
| Left / Right Arrow | Move cannon |
| Space | Fire |
Tips & Strategy
- Pick off the aliens on the edges first to slow their descent.
- Use shields strategically — they degrade with each hit.
- Watch for the bonus UFO that flies across the top.
- Aliens speed up as fewer remain, so plan your endgame carefully.
Frequently Asked Questions
Is Space Invaders free to play?
Yes. Space Invaders is completely free to play in your browser with no downloads or signups required.
Can I play Space Invaders on my phone?
Yes. Space Invaders works on mobile devices and tablets. Touch controls are supported.
Do I need to create an account?
No. Just open the page and start playing instantly. No registration needed.