What is Sudoku.com?
Sudoku.com is a large Sudoku site made by Easybrain, a puzzle game company that also publishes the popular Sudoku.com phone app. The web version lets you play straight away, without an account.
You fill a 9 by 9 grid so that every row, column and 3 by 3 box holds the digits 1 to 9. Pick a level from Easy up to Master and Extreme, or try Killer Sudoku, where cages of cells must add up to a given total. Daily challenges reward you with awards over the month.
Main Features
- Classic Sudoku with six difficulty levels
- Killer Sudoku mode
- Daily challenges and monthly awards
- Pencil notes, undo and erase
- Hints that explain the solving technique
- Printable puzzles, rules and tips pages
How to Get Started with Sudoku.com
- Open sudoku.com in your browser.
- Choose New Game and pick a mode and difficulty.
- Select a cell and tap a number to fill it in, using Notes for candidates.
- Finish the grid with fewer than three mistakes to win.
Sudoku.com Pricing
The website is free to play and supported by ads. The separate Sudoku.com phone app offers optional paid upgrades, which you do not need for the web version.
Who Should Use It?
- Sudoku fans of every level
- Beginners learning solving techniques
- People who want a daily brain workout
- Commuters with a few spare minutes
- Players who enjoy Killer Sudoku variants
Sudoku.com Alternatives
- Lichess: free chess puzzles and games
- Odd One Out: quick visual puzzle game
- The Password Game: a puzzle of ever stranger rules
Frequently Asked Questions
Is Sudoku.com free?
Yes. The website is free to play with ads. The phone app has optional paid features.
What is Killer Sudoku?
It is a Sudoku variant where groups of cells, called cages, must add up to a number shown in the corner.
Do I need an account to play Sudoku.com?
No. You can start a puzzle right away in your browser.