Play Sudoku HTML5 free online — a board game that loads straight into the page. It leans on puzzle and sudoku, so expect plenty of replay value. No account, no install and no plugins — just the game in a browser tab.
About Sudoku HTML5
Play Sudoku HTML5, one of the most popular puzzle games of all time. Sudoku is the most fun brain game you will ever play in your life. Available for mobile and desktop devices..
How to play Sudoku HTML5
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. Take the first run as practice and the second one seriously.
Controls
| Input | Action |
|---|---|
| Mouse | Select and drag pieces |
| Left click | Confirm a move |
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.
- Puzzle gameplay — Slow down and solve it
- Sudoku gameplay — Nine by nine, no guessing required
- Added to our catalogue from a 2015 release
Frequently asked questions
Is Sudoku HTML5 free to play?
Yes. Sudoku HTML5 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. Sudoku HTML5 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 Sudoku HTML5 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 Sudoku HTML5?
Keyboard and mouse on desktop, full touch support on mobile. Mouse — select and drag pieces; Left click — confirm a move.
Can I play Sudoku HTML5 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 Sudoku HTML5?
Sudoku HTML5 is a board game built around puzzle and sudoku. If that is the sort of thing you enjoy, the related games further down the page are picked using the same tags.