Easy
Learn the basics
A relaxed introduction with plenty of clues and straightforward deductions.
Puzzle game
Sudoku
Play classic 9×9 Sudoku free on Veyra Play. Choose Normal or Daily puzzles, then build your solving skills with our in-depth guide library.
Free to playNormal + Daily80 guides4 difficulties
Sudoku preview
5
3
7
6
1
9
5
9
8
6
8
6
3
4
8
3
1
7
2
6
6
2
8
4
1
9
5
8
7
9
This board previews the classic grid. The playable Sudoku beta is live with Normal and Daily puzzles.
Play SudokuMedium
Build your technique
A balanced puzzle that requires more careful scanning and candidate elimination.
Hard
Think further ahead
Fewer obvious placements and greater reliance on intermediate solving techniques.
Expert
Push your logic
Designed for experienced solvers comfortable with candidates and advanced patterns.
About Sudoku
What is Sudoku?
Sudoku is a logic puzzle played on a 9×9 grid divided into nine 3×3 boxes.
The goal is to fill every empty cell with a number from 1 to 9 so that each number appears exactly once in every row, every column and every 3×3 box.
You don't need mathematics to solve Sudoku. The numbers act as symbols: solving the puzzle is entirely about logic, elimination and recognising constraints.
Read the complete Sudoku rulesGetting started
How do you play Sudoku?
Every Sudoku begins with some numbers already placed. These are the puzzle's clues and cannot be changed.
To solve the remaining cells, look at the numbers already present in each row, column and box. Eliminate numbers that cannot legally fit until you identify a valid placement.
Beginner solving loop
Scan → eliminate → place → repeat.
As the grid fills, every new number creates additional information that can reveal the next move.
Learn how to play SudokuExample
1
2
3
4
6
7
8
9
Only one number is missing from this box, so the empty cell must contain 5.
Sudoku guides
Explore rules, techniques and strategy.
Beginner guide
How to Play Sudoku
New to the puzzle? Learn how the grid works and solve your first Sudoku step by step.
How to playReference
Sudoku Rules
Understand the three rules that determine whether every placement is valid.
Read the rulesTechniques
Sudoku Strategies
Learn solving techniques from scanning and singles to pairs, locked candidates and advanced patterns.
Explore strategiesThe grid
81 cells. Three overlapping constraints.
A standard Sudoku contains 81 cells arranged into:
- 9 rows;
- 9 columns;
- 9 boxes containing 3×3 cells each.
Every row, column and box must eventually contain all digits from 1 through 9 exactly once.
Although Sudoku uses numbers, there is no addition, subtraction or calculation involved.
Logical solving
Sudoku is a game of logic, not guessing.
A well-constructed Sudoku can be solved through logical deduction.
When a cell appears to have several possibilities, information elsewhere on the grid can eventually eliminate the incorrect candidates.
More difficult puzzles don't necessarily contain dramatically fewer clues. Their difficulty comes from the kind and sequence of deductions required to solve them.
That is why learning new strategies gradually changes how you see the same 9×9 grid.
Explore Sudoku strategiesDaily Sudoku
Come back for a fresh Daily Sudoku.
The Web beta includes a Daily puzzle alongside Normal play. Open Sudoku and choose Daily from the game home screen.
Play today's SudokuFAQ
Frequently asked questions
What is the goal of Sudoku?
The goal is to fill every empty cell so that each row, column and 3×3 box contains the numbers 1 through 9 exactly once.
Does Sudoku require maths?
No. Sudoku uses numbers, but solving it requires logic rather than arithmetic.
Is Sudoku free to play?
Yes. The Veyra Play Sudoku Web beta is free to play, with Normal and Daily puzzles available alongside the public guide library.
Can beginners play Sudoku?
Yes. Easy puzzles are ideal for learning basic scanning and elimination before progressing to more difficult techniques.
How many numbers are in a Sudoku?
A completed standard Sudoku contains 81 cells. Each digit from 1 to 9 appears nine times across the complete grid, while appearing only once in each row, column and box.
What should I do if I get stuck?
Return to the simplest deductions first. Scan rows, columns and boxes, check cells with few candidates and look for numbers that have only one possible position in a unit.
Play and learn
Start a puzzle or sharpen your logic.
Play a Normal or Daily puzzle, work through the free lesson path or browse individual solving techniques.