Register FREE

Daily Sudoku Puzzle (Hard)

Sunday 18th October 2009

[R]eset Puzzle
[S]ave Puzzle
Create [P]encil Marks
Clear Pencil Marks [X]
Print version

Sudoku leaderboard

All-time leaderboard
RankPlayerTotal Score
1 dvd 1247005
2 nick 1247005
3 ianm 1247005
4 GuardRail 1219475
5 EILON 1196410
6 ddavidsvar 1159930
7 SammamishLady 1056475
8 QuampoX 969100
9 Sophie 924780
10 Don 893335
Monthly leaderboard
RankPlayerTotal Score
1 Sudoko 106330
2 MYKE 85685
3 RG 56385
4 Quirk 41220
5 Sophia 40740
6 GilPal 40650
7 cyb 39845
8 tg02 33775
9 Don 30685
10 Ernst 30460

Enjoy our puzzles?
Buy our books!

How to play

This page will automatically load the puzzle for today. If you want to play a different puzzle, go to the archive page and choose your puzzle.
There are two ways to play a Sudoku puzzle, you can just use the mouse/touchscreen, or you can use the mouse and keyboard. You can switch between the two methods any time you like, and can use a combination of both.

Playing with a mouse/touchscreen.

Playing with a mouse and keyboard.

Any mistakes you make will be hilighted in red. The website will know when you have completed a puzzle and will tell you. If you have an account and are logged in, the website will remember that you have completed that puzzle. You will also take part in out leaderboards. It's free to create an account!

Try our other puzzles!




Jigsaw Sudoku

Samurai Sudoku



16 × 16
Giant Sudoku



Kids Sudoku

12 × 12
Giant Sudoku

Hyper Sudoku



Killer Sudoku

Greater Than