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Hard sudoku

Free online puzzle game
9x9 sudoku
Copyright 2023.

New game

Hard sudoku toplist

October 2023.
1 jennie
3:11 (02-10)
2 sudoku
59:59:59 (01-10)
3 sudoku
59:59:59 (01-10)
4 sudoku
59:59:59 (01-10)
5 sudoku
59:59:59 (01-10)
6 sudoku
59:59:59 (01-10)
7 sudoku
59:59:59 (01-10)
8 sudoku
59:59:59 (01-10)
9 sudoku
59:59:59 (01-10)
10 sudoku
59:59:59 (01-10)


Hard Sudoku

Are you a good sudoku player? Here you can compete online with others from the beginner to the expert level. You can measure yourself 24/7 on controlled, quality web game boards. Multiple accurate server-side controls ensure the purity of sudoku competition.
Get a better time than the tenth place and you can write your name on the list. Of course, this is not mandatory. You can use your email address to retrieve or delete your information. We do not send advertisements or pass them on to third parties. We launch a new list at the beginning of each month. In this case, all data of all subscribers will be deleted. This is a fun gaming site in Los Angeles California that offers the best user experience in Long Beach, Anaheim, San Diego, Phoenix, Bakersfield, Fresno, Las Vegas and of course in Los Angeles. If you find inappropriate or offensive content, you can report it to me by clicking the feedback button below the list.

We recommend the hard sudoku to the pros, the more challenging seekers! If hard sudoku is not a challenge for you, give Super Sudoku a try!

If you don’t want to measure time, you can turn it off with the small x next to the clock. You can adjust the size of the sudoku board by selecting small / medium / large. When you have filled in all the fields, press the "I'm ready" button! It will allow you to check that you have worked well. Pressing the "new game" button will clear the numbers you have entered so far and gives you a new board.

You may also use printable sudoku boards for practice. It is under 'Printable sudoku'. You may print 1, 2, 3, 4, 5 or 6 sudoku boards on one A4 sheet. You can also select the difficulty level one by one.

This sudoku online game is free and runs on your smartphone. Recommended for travellers on public transport, for those who are waiting or just needing headwork or just solve logical puzzles, and for those who need culturally useful developer fun.


Hangman free fortune and knowledge based online game.
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