Question 1

Is Space Invaders free to play?

Accepted Answer

Yes, Space Invaders is 100% free to play in your browser with no download or signup required.

Question 2

How do I play Space Invaders?

Accepted Answer

Move left and right with arrow keys. Press Space to shoot. Destroy all aliens before they reach the bottom.

Question 3

Can I play Space Invaders on mobile?

Accepted Answer

Yes, Space Invaders works on both mobile phones and desktop computers with touch and keyboard controls.