Complete the 9×9 grid: every row, column and 3×3 box must contain 1 to 9 exactly once.
Select cells and place digits with the pad or your keyboard. Conflicts are flagged instantly.
Focus on rows, columns or boxes that already hold many digits — each placed number eliminates candidates elsewhere, and on medium grids the chain solves itself with patience.
Yes, completely free in your browser with no download and no account.
Medium: solvable with pure logic but requiring real deduction — ideal after easy and before hard.
Yes, a fresh medium grid is published every day.
Yes, the touch number pad works on any phone or tablet.
Sudoku Medio is the sweet spot of daily sudoku: a medium-difficulty 9×9 puzzle that respects both your time and your brain. Every day brings a new grid balanced between given clues and empty cells — enough starting digits to solve it purely with logic, and enough gaps to make you think. It is the natural step after easy sudokus and the perfect training ground before hard and expert grids: you practice scanning, counting box candidates and building deduction habits. The rules are the timeless ones: every row, column and 3×3 box contains the digits 1 to 9 exactly once. Given numbers are visually distinct, conflicts light up immediately, and the number pad works with mouse and touch. A new medium grid is published daily — a consistent, measurable way to keep your logic sharp in ten to twenty minutes. Medium is the level where sudoku becomes a habit: demanding enough to engage, forgiving enough to enjoy. Many players graduate here after weeks of easy grids and stay for years, because medium puzzles keep teaching new deduction patterns without the frustration of dead ends. The daily rotation means you can measure yourself honestly against yesterday's time, watching your solving speed improve week after week. It is logic training that feels like leisure.