Hello, Guest!
Classic sudoku in 4 difficulty levels   
Undo
Restart
Print
Save
Restore
1
2
3
4
5
6
7
8
9
⛔
1
2
3
4
5
6
7
8
9
⛔
1
2
3
4
5
6
7
8
9
⛔
1
2
3
4
5
6
7
8
9
⛔
1
2
3
4
5
6
7
8
9
⛔
1
2
3
4
5
6
7
8
9
⛔
1
2
3
4
5
6
7
8
9
⛔
1
2
3
4
5
6
7
8
9
⛔
1
2
3
4
5
6
7
8
9
⛔
1
2
3
4
5
6
7
8
9
⛔
1
2
3
4
5
6
7
8
9
⛔
1
2
3
4
5
6
7
8
9
⛔
1
2
3
4
5
6
7
8
9
⛔
1
2
3
4
5
6
7
8
9
⛔
1
2
3
4
5
6
7
8
9
⛔
1
2
3
4
5
6
7
8
9
⛔
1
2
3
4
5
6
7
8
9
⛔
1
2
3
4
5
6
7
8
9
⛔
1
2
3
4
5
6
7
8
9
⛔
1
2
3
4
5
6
7
8
9
⛔
1
2
3
4
5
6
7
8
9
⛔
1
2
3
4
5
6
7
8
9
⛔
1
2
3
4
5
6
7
8
9
⛔
1
2
3
4
5
6
7
8
9
⛔
1
2
3
4
5
6
7
8
9
⛔
1
2
3
4
5
6
7
8
9
⛔
1
2
3
4
5
6
7
8
9
⛔
1
2
3
4
5
6
7
8
9
⛔
1
2
3
4
5
6
7
8
9
⛔
1
2
3
4
5
6
7
8
9
⛔
1
2
3
4
5
6
7
8
9
⛔
1
2
3
4
5
6
7
8
9
⛔
1
2
3
4
5
6
7
8
9
⛔
1
2
3
4
5
6
7
8
9
⛔
1
2
3
4
5
6
7
8
9
⛔
1
2
3
4
5
6
7
8
9
⛔
1
2
3
4
5
6
7
8
9
⛔
1
2
3
4
5
6
7
8
9
⛔
1
2
3
4
5
6
7
8
9
⛔
1
2
3
4
5
6
7
8
9
⛔
1
2
3
4
5
6
7
8
9
⛔
1
2
3
4
5
6
7
8
9
⛔
1
2
3
4
5
6
7
8
9
⛔
1
2
3
4
5
6
7
8
9
⛔
1
2
3
4
5
6
7
8
9
⛔
1
2
3
4
5
6
7
8
9
⛔
1
2
3
4
5
6
7
8
9
⛔
1
2
3
4
5
6
7
8
9
⛔
1
2
3
4
5
6
7
8
9
⛔
1
2
3
4
5
6
7
8
9
⛔
1
2
3
4
5
6
7
8
9
⛔
1
2
3
4
5
6
7
8
9
⛔
1
2
3
4
5
6
7
8
9
⛔
1
2
3
4
5
6
7
8
9
⛔
1
2
3
4
5
6
7
8
9
⛔
1
2
3
4
5
6
7
8
9
⛔
1
2
3
4
5
6
7
8
9
⛔
1
2
3
4
5
6
7
8
9
⛔
1
2
3
4
5
6
7
8
9
⛔
1
2
3
4
5
6
7
8
9
⛔
1
2
3
4
5
6
7
8
9
⛔
1
2
3
4
5
6
7
8
9
⛔
1
2
3
4
5
6
7
8
9
⛔
1
2
3
4
5
6
7
8
9
⛔
1
2
3
4
5
6
7
8
9
⛔
1
2
3
4
5
6
7
8
9
⛔
1
2
3
4
5
6
7
8
9
⛔
1
2
3
4
5
6
7
8
9
⛔
1
2
3
4
5
6
7
8
9
⛔
1
2
3
4
5
6
7
8
9
⛔
1
2
3
4
5
6
7
8
9
⛔
1
2
3
4
5
6
7
8
9
⛔
1
2
3
4
5
6
7
8
9
⛔
1
2
3
4
5
6
7
8
9
⛔
1
2
3
4
5
6
7
8
9
⛔
1
2
3
4
5
6
7
8
9
⛔
1
2
3
4
5
6
7
8
9
⛔
1
2
3
4
5
6
7
8
9
⛔
1
2
3
4
5
6
7
8
9
⛔
1
2
3
4
5
6
7
8
9
⛔
1
2
3
4
5
6
7
8
9
⛔
Please Enter a Number
1
2
3
4
5
6
7
8
9
X
Candidates
Selection Mode:    
Highlights
New Game
Easy
Medium
Hard
Very Hard
 
Your local stats
Level
Solved
Best time
Last played
Easy
Medium
Hard
Very Hard
Play and Win!

Each month, five lucky players who score 100 points or more will be randomly selected to win the exclusive Sudoku Kingdom eBook – a digital collection of 48 challenging Sudoku puzzles with solutions, delivered straight to your inbox. Join now!

To keep the competition fair and enjoyable for everyone, daily point gains may be limited. This encourages a balanced mix of puzzle difficulties and gives all players an equal chance to shine. The leaderboard resets every month.


Player Rankings - May 2026 - Top 10

#Login nameSolved PuzzlesScoreLast played
EasyMed.HardV.Hard
1
baohoa112473372783May 14, 2026
2
vangeorg2016163292748May 14, 2026
3
woniu5304533372722May 14, 2026
4
Gincis11843342715May 14, 2026
5
siamakp5573322699May 14, 2026
6
Nedu6783282676May 14, 2026
7
caesium0011514143202659May 14, 2026
8
Bast0013272620May 14, 2026
9
jxxxh1234563103262613May 14, 2026
10
Liuchiu1110113152595May 14, 2026

Solved puzzle score:
Easy = 1 point
Medium = 2 points
Hard = 4 points
Very hard = 8 points
 

Free Sudoku Puzzles – Daily, Printable, and Online

Looking for free sudoku puzzles online? Sudoku Kingdom offers a new challenge every day – no registration needed to play. Choose your difficulty: Easy, Medium, Hard, or Very Hard. Play on desktop or mobile with timer, hints and notes, or print sudoku puzzles with solutions.

Want to compete? Registration is optional and lets you join the monthly ranking contest.