What is Alien Invaders.io?
Alien Invaders.io is a free .io game with alien, spaceship and slithering elements that you can play online in your web browser on Gameziko. It needs no download, no install and no account. Get ready for this crazy alien invasion as you control a UFO Spaceship to defeat other aliens.
How to play Alien Invaders.io
- Press "Play now" on the game screen. Alien Invaders.io loads inside the player; some games take up to 20 seconds and may show a short ad first.
- Move UFO by dragging mouse
- Use the full-screen button at the bottom right of the player for a bigger view, and press Esc to leave full screen.
Game details
| Category | .io |
|---|---|
| Tags | alien, spaceship, slithering |
| Controls | Mouse |
| Screen | Landscape (800 × 600) |
| Price | Free |
| Download or sign-up | Not needed |
| Distributed by | GameDistribution |
| Added to Gameziko | 30 September 2026 |
Description from the developer
Get ready for this crazy alien invasion as you control a UFO Spaceship to defeat other aliens. Move as fast as you can, abduct earthly, boosters and other alien invaders. Be the biggest spaceship and the last UFO. Have fun in the alien war in Alien Invaders io. Play NOW! Features: Customize your game by deciding on your name for Player Name 6 Rare Skin; 15 Epic Skins; 6 Legendary Skins 3 Game Modes: Classic, Solo, and Battle Objectives: Classic (Be the biggest); Solo (Eat the whole city); and Battle (Be the last UFO) Boosters: Treasure Chest, Magnet, Upsize
Alien Invaders.io: frequently asked questions
Is Alien Invaders.io free to play?
Yes. Alien Invaders.io is free to play on Gameziko, with no download and no account needed. Like most free web games, it is funded by ads, so it may show a short ad before or between rounds.
What are the controls in Alien Invaders.io?
The developer's instructions for Alien Invaders.io say: "Move UFO by dragging mouse"
Can I play Alien Invaders.io on a phone or tablet?
Alien Invaders.io is an HTML5 game, so it opens in modern mobile browsers as well as on a computer. Its controls were designed mainly for a mouse, so a computer usually gives the smoothest experience.
What games are similar to Alien Invaders.io?
If you like Alien Invaders.io, try Trains.io 3D, Nitro Knights.io and Curve Fever Pro. They are .io games with similar themes, and you can find more in the .io category on Gameziko.
Good to know
Alien Invaders.io is made by an independent developer and delivered by GameDistribution, so Gameziko cannot change the game or recover lost progress. Any progress the game saves is kept in your browser on this device. If the game does not start, wait up to 20 seconds, allow ads for gameziko.com and try again, or report the game.