Free Online Sudoku Puzzle for Everyone
Challenge your brain with a free online sudoku puzzle every day. Track your progress, climb the leaderboard, and sharpen your logic skills.
Why sudoku?
Why did we decide to pay special attention to it and create this website? Because it is Sudoku that lets you show outstanding results:
Improves memory
Sudoku involves memory work (we have to memorize numbers) and logic (we analyze which numbers have to be inserted in blank cells). Long ago scientists had proved that solving this complex puzzle will help you prevent diseases related to memory loss.
Trains mind
Sudoku is a good trainer of logical thinking. Over time you will see for yourself that this skill has improved considerably if you devote a little time to this game each day. According to statistics, students with higher IQ often solve sudoku.
Helps make decisions quickly
Sudoku improves timing. At the same time it works as a trainer in building logical chains. Hence, you will be able to navigate the information and make decisions quickly.
Helps focus attention
You will have to devote a particular amount of time to the game and find creative solutions. An ability to keep up the achieved result and avoid mistakes in the choice of numbers will positively influence your skill of concentrating on a particular task.
Brings positive emotions
After registering you will be able to earn your rating. When you start solving more complex online sudoku puzzles, you will feel joy from your progress. Besides, an hour of solving sudoku is a great way to have a rest!
The X-Wing technique
When a candidate appears in exactly the same two columns across two different rows, it forms an X-Wing. Any other occurrence of that candidate in those columns can be safely eliminated.
It's one of the most elegant deductions in Sudoku — a stepping stone to the Swordfish and beyond.
Country rating
| # | Country | Users | Rating | Change |
|---|---|---|---|---|
| 1 | 🇺🇦 Ukraine | 135 | 442.644 | - |
| 2 | 🇳🇺 Niue | 1 | 347.748 | ↑+1 |
| 3 | 🏳️ Russia | 102 | 340.645 | ↓-1 |
| 4 | 🏳️ Belarus | 9 | 230.292 | ↑+1 |
| 5 | 🇮🇱 Israel | 7 | 187.516 | ↑+1 |
| 6 | 🇰🇿 Kazakhstan | 10 | 176.716 | ↑+3 |
| 7 | 🇦🇲 Armenia | 3 | 171.209 | ↑+3 |
| 8 | 🇩🇪 Germany | 5 | 167.640 | ↓-4 |
| 9 | 🇭🇳 Honduras | 2 | 167.559 | ↓-1 |
| 10 | 🇬🇪 Georgia | 1 | 162.006 | ↑+3 |
User rating for the last 24 hours
| # | Name | Country | Games | Points |
|---|---|---|---|---|
| 1 |  12 | 🏳️ Belarus | 81 | 4,158.916 |
| 2 | V 15 | 🇺🇦 Ukraine | 28 | 1,477.501 |
| 3 | V 15 | 🇺🇦 Ukraine | 37 | 1,360.488 |
| 4 | ? 15 | 🏳️ Russia | 38 | 1,284.822 |
| 5 | P 14 | 🇺🇦 Ukraine | 41 | 1,195.174 |
| 6 |  15 | 🇺🇦 Ukraine | 22 | 1,168.200 |
| 7 |  14 | 🏳️ Russia | 20 | 1,158.365 |
| 8 | S 13 | 🏳️ Russia | 33 | 1,040.234 |
| 9 | S 12 | 🇺🇦 Ukraine | 43 | 1,013.926 |
| 10 | F 14 | 🇳🇺 Niue | 33 | 951.846 |
| 11 | 🇦🇶 Antarctica | 16 | 945.558 | |
| 12 | ? 13 | 🇺🇦 Ukraine | 15 | 899.604 |
| 13 | A 15 | 🏳️ Russia | 18 | 843.298 |
| 14 | I 11 | 🇲🇩 Moldova | 21 | 685.920 |
| 15 | ? 14 | 🏳️ Russia | 19 | 652.956 |
