Today · Tuesday 20 October 2026
Hard Sudoku
A new Sudoku every day, from Hard to Extreme. Play it on screen, or print it and solve it with a pencil. No signup needed.
Recent puzzles
All past puzzles-
Extreme Sudoku
Mon 19 Oct
-
Very Hard Sudoku
Sun 18 Oct
-
Extreme Sudoku
Sat 17 Oct
-
Very Hard Sudoku
Fri 16 Oct
-
Extreme Sudoku
Thu 15 Oct
-
Extreme Sudoku
Wed 14 Oct
Free bonus puzzle packs
Five printable packs of Sudoku, 16x16 Sudoku, Calcudoku, Futoshiki and Hashi.