Free sudoku online
Play sudoku
Free sudoku online, from easy to master
Pick a level and a new grid is ready in a second, made for you on this device. Every puzzle has one solution, reached by logic alone. Notes, undo, redo and hints that show the next step: like sudoku on paper, only tidier. No account needed; a free account keeps your progress on every device.
Five levels
The daily puzzle
One grid for everyone, every day: easy on Monday, harder through the week, expert at the weekend. Solve it on its day to keep your streak going, and share your time.
Learn the techniques
Each lesson shows a technique on a real grid, from the hidden single to the X-wing. Practice then gives you puzzles for it, one step at a time.
Questions
Is sudokus.me free?
Yes: every level, the daily puzzle, the lessons and practice are free, and no account is needed to play.
How are the levels graded?
By the hardest technique a grid needs, not by its number of clues: Easy needs only singles, Medium adds the naked single, pointing and claiming, Hard pairs and triples, Expert fish and wings, Master chains.
Will I ever have to guess?
Never. Every grid has exactly one solution, and our solver checks it can be reached by logic. Hints show the next logical step.
Can I play on my phone?
Yes: the site is made for phones first. Add it to your home screen and it opens like an app.
Is my progress saved?
Your game, your stats and your streak stay in your browser, even when you close it. With a free account they follow you on every device.