Complete the expert 9×9 grid using advanced solving techniques — pure logic, no guessing.
Activate candidates mode early and keep marks updated. Hunt naked pairs in boxes and X-wing patterns across rows and columns to unlock the most blocked states.
Expert grids punish stale focus: leave and return if stuck. Check your pencil marks twice — one outdated candidate can poison a whole deduction chain.
Yes, completely free in your browser with no download and no account.
Very few given clues and grids that demand advanced techniques such as naked pairs, X-wing and forcing chains.
A toggle that lets you annotate each cell with its possible digits — essential pencil marks for expert solving.
Yes, every daily expert grid has a pure logical solution.
Sudoku Experto is the summit of daily sudoku — the level where puzzles stop being pastimes and become duels. Every day it publishes an expert 9×9 grid with so few given numbers that basic scanning is not enough: solving requires real technique — naked pairs, X-wing patterns and occasionally forcing chains. The game includes a dedicated candidates mode that lets you annotate each cell with its remaining possibilities and watch them collapse as deductions advance. The rules never change: every row, column and 3×3 box must contain the digits 1 to 9 exactly once, and every grid is solvable by logic alone. Sessions at this level are marathons: expect to visit the grid several times during the day, and expect the unique satisfaction only a completed expert sudoku delivers. The board stays crisp on desktop, tablet and phone, with instant conflict detection and touch controls. Expert sudoku is not for everyone, and that is precisely the point: it is a level you earn. The community of daily expert solvers is small but devoted, united by the understanding that some grids take hours and that the struggle is the reward. If you have ever completed an expert sudoku, you know the feeling — and if you haven't, today's grid is waiting to introduce you.