Alien Blocks is a browser-based arcade game that runs instantly, with nothing to install. It leans on retro & arcade and block & tetris-like, so expect a steady difficulty curve. No account, no install and no plugins — just the game in a browser tab.
About Alien Blocks
Alien Blocks is a retro-style arcade platformer that's fast becoming one of today's most popular nerve-wracking action games. Alien Blocks is an arcade platformer game that can be played in the browser.
How to play Alien Blocks
Getting started takes about ten seconds. Load the game above and it fills the player in portrait. On a phone you can play one-handed; on desktop the frame stays centred so nothing is cropped. Most players get the hang of it inside two or three attempts.
Controls
| Input | Action |
|---|---|
| Mouse | Navigate menus and interact |
| Arrow keys / WASD | Move |
| Spacebar | Primary action |
On mobile: Tap and swipe directly on the screen. The game is built for portrait, so you can play one-handed without rotating your phone.
Why it is worth playing
The appeal here is the loop: a short round, a clear result, and an obvious idea about what to do differently next time.
At a glance
- Free to play with no account required
- Runs in the browser — nothing to download or install
- Portrait layout, comfortable one-handed on mobile
- Keyboard and mouse on desktop, full touch support on mobile.
- Retro & Arcade gameplay — Cabinet-era games that still hold up
- Block & Tetris-like gameplay — Fit the shapes, clear the lines
- Added to our catalogue from a 2022 release
Frequently asked questions
Is Alien Blocks free to play?
Yes. Alien Blocks is completely free and runs in your browser. There is no purchase, no subscription and no account needed — open the page and play.
Do I need to download or install anything?
No. Alien Blocks is an HTML5 game that runs inside the page itself. There is nothing to install, no plugin and no launcher — it loads like any other web page.
Can I play Alien Blocks on my phone?
Yes. Tap and swipe directly on the screen. The game is built for portrait, so you can play one-handed without rotating your phone.
What are the controls for Alien Blocks?
Keyboard and mouse on desktop, full touch support on mobile. Mouse — navigate menus and interact; Arrow keys / WASD — move; Spacebar — primary action.
Can I play Alien Blocks fullscreen?
Yes. Use the fullscreen button in the top-right of the game player to expand it to the whole screen, and press Escape to come back out.
What kind of game is Alien Blocks?
Alien Blocks is a arcade game built around retro & arcade and block & tetris-like. If that is the sort of thing you enjoy, the related games further down the page are picked using the same tags.