Sudoku Unlimited
0/81 filled
0:00
Tap a cell, then a digit. Keys: arrows move, 1–9 place, Backspace or 0 clears, N toggles pencil, Ctrl/⌘+Z undoes.
How to play
Fill the grid so every row, every column and every 3×3 box holds the digits 1 to 9 exactly once. Tap a cell, then a digit. Turn on Pencil to jot down candidates, or let Fill candidates do the bookkeeping for you.
Every puzzle here has exactly one solution, and you can reach it by logic alone. New to Sudoku? The Learn track teaches the five techniques one at a time, or try today’s daily puzzle.