Boards with 40 clues · perfect to get started · save your records
Every easy sudoku at MundoSudoku is generated with 40 clues and a guaranteed unique solution. With that many cells already solved, there is almost always an obvious move in sight: perfect for learning the mechanics, building speed and getting familiar with rows, columns and boxes without frustration.
If you are taking your first steps, check our basic sudoku techniques and the most common sudoku mistakes. Playing with kids? We have a guide to sudoku for kids.
Once you chain several error-free wins, try medium sudoku: you'll feel just the right jump in difficulty. You can also take on the daily sudoku, the same board for every player, or download easy sudokus as printable PDF.
The number of starting clues. At MundoSudoku easy sudokus start with 40 of the 81 cells already solved, so there is almost always an obvious move available and no advanced techniques are needed.
Most players finish in 5-10 minutes. With practice it is common to go under 5. The built-in timer tracks your progress and your records are saved automatically.
Yes. Every MundoSudoku puzzle is generated while verifying it has exactly one solution, so it can always be solved with pure logic and no guessing.
You've completed the sudoku.