Sudoku
Free sudoku that is calm and good for your brain: no ads, no sign-up, no timer unless you want one. Pick your difficulty, switch on large print, and use a hint that shows you the next logical step instead of just giving the answer. A classic 9×9, a quick 6×6, and a fresh daily puzzle — on your phone or your computer.
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All sudoku games
Sudoku
Classic 9×9 sudoku — relaxed, with a hint that teaches.
Play → LogicEasy Sudoku
Gentle 9×9 puzzles with plenty of numbers already filled in.
Play → LogicHard Sudoku
Fewer given numbers, longer chains of deduction — 9×9 grids that make you work.
Play → LogicExpert Sudoku
The hardest setting — grids stripped down to the bare minimum of given numbers.
Play → LogicMini Sudoku
A gentle 6×6 sudoku — perfect for a quick game or large print.
Play → LogicDaily Sudoku
One fresh 9×9 puzzle a day — the same for everyone.
Play → LogicKiller Sudoku
Sudoku with cages that must add up — no starting numbers needed.
Play →Why play sudoku?
Sudoku is pure logic — no math, no luck. Every puzzle is solvable by reasoning alone, which makes it a satisfying daily workout for concentration, working memory and patient, step-by-step deduction.
JuJu keeps it calm and good for you: no ads, no account, no clock ticking down. Every puzzle has exactly one solution, the hint teaches the technique instead of solving it for you, and a large-print mode keeps the grid easy on the eyes. Your progress stays on your device.
Frequently asked questions
Is this sudoku free, with no ads or sign-up?
Yes. Every sudoku is free to play in your browser — no ads, no account, no installation. Your progress is saved on your own device.
Does every puzzle have a unique solution?
Yes. Every puzzle is generated with exactly one solution, so it can always be solved by logic alone — never by guessing.
Is there a timer?
No timer unless you want one. Sudoku here is relaxed by default — there is no countdown and no 'game over'. You can switch a timer on if you like to track your time.
Is the daily sudoku the same for everyone?
Yes. Everyone gets the same daily puzzle, and it refreshes every 24 hours.
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