What is Tower Defense Alien War?
Tower Defense Alien War is a free strategy game with alien, tower and war elements that you can play online in your web browser on Gameziko. It needs no download, no install and no account. Alien war is a thrilling game with the concept of defense.
How to play Tower Defense Alien War
- Press "Play now" on the game screen. Tower Defense Alien War loads inside the player; some games take up to 20 seconds and may show a short ad first.
- Take aim with Mouse.
- Don't forget to collect coins by clicking after all.
- 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 | Strategy |
|---|---|
| Tags | alien, tower, war |
| Controls | Mouse |
| Screen | Landscape (850 Ã 480) |
| Price | Free |
| Download or sign-up | Not needed |
| Distributed by | GameDistribution |
| Added to Gameziko | 30 September 2026 |
Description from the developer
Alien war is a thrilling game with the concept of defense. You have to protect your castle with your upgradable guns and guided missiles from the invasion of alien troops. In each stage, you are supposed to destroy the invaders and earn as much gold as you can.
Tower Defense Alien War: frequently asked questions
Is Tower Defense Alien War free to play?
Yes. Tower Defense Alien War 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 Tower Defense Alien War?
The developer's instructions for Tower Defense Alien War say: "Take aim with Mouse. Don't forget to collect coins by clicking after all."
Can I play Tower Defense Alien War on a phone or tablet?
Tower Defense Alien War 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 Tower Defense Alien War?
If you like Tower Defense Alien War, try Empire Rush Rome Wars Tower Defense, Galactic Missile Defense and Tower Defenders. They are strategy games with similar themes, and you can find more in the Strategy category on Gameziko.
Related guides
- Tower Defense Strategy: 10 Tips for Beginners: Ten tower defense tips for browser games: where to place towers, when to upgrade, mixing damage types, saving gold and handling boss waves.
Good to know
Tower Defense Alien War 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.