ALIEN DEFENSE
Score: 0
Level: 1
How to Play
Use Left/Right Arrows or A/D to move. Press Spacebar to shoot. Destroy all alien invaders before they reach the bottom!
Use Left/Right Arrows or A/D to move. Press Spacebar to shoot. Destroy all alien invaders before they reach the bottom!
Defend the Earth from waves of alien invaders!
Runs right in your browser — no install, no plugins, no waiting.
No sign-up, no paywall, no hidden costs. Just open it and play.
Play on desktop, tablet, or phone with touch-friendly controls.
No downloads to worry about — the whole game loads in seconds.
Yes — Alien Defense is completely free to play on Script & Tools, with no sign-up required.
No. Alien Defense runs directly in your web browser, so there is nothing to download or install.
Yes, Alien Defense works on mobile and tablet browsers with touch controls, as well as on desktop.