Puzzle
Sudoku Master
Scan, solve, and play sudoku offline — 4,000 puzzles and daily challenges.
About
Sudoku Master lets you point your camera at any sudoku puzzle to read and solve it instantly, or play from 4,000 hand-crafted puzzles across four difficulties — fully offline, with no account to create and no ads on the board while you solve.
- Scan any printed or on-screen sudoku and get the full solution, with tap-to-correct digits
- 4,000 puzzles across Easy, Medium, Hard, and Extreme, each with one unique solution
- Daily, weekly, and monthly challenges with streaks and an activity heatmap
- Deep statistics: best time, average, win rate, and mistakes per difficulty
- Dark and light themes, and a dedicated game mode
- Play with your own imported music while you solve
Built with
Highlights
What it does
Scan & solve
Point your camera at any sudoku and get the full solution, with tap-to-correct.
4,000 puzzles
Easy to Extreme, each with a single unique solution.
Challenges & stats
Daily, weekly, and monthly puzzles with streaks and detailed statistics.
Reading
Written about Sudoku Master
Sudoku: The Complete Guide to Rules, Techniques and Solving
Sudoku has one rule. Here is the whole game around it: the scanning habit that cracks easy grids, the technique ladder in order, and why clue count is not difficulty.
13 min readHow to Play Sudoku: The Complete Rules for Beginners
One rule: no digit repeats in a row, column or 3x3 box. Get the board named, the twenty peers explained, and the first four moves placed on a real grid.
14 min readYour First Sudoku, Solved One Move at a Time
One 36-clue puzzle solved from the first empty cell to the last, with a checkable reason for all 45 digits and the two scans that find nearly every one.
16 min readNine Beginner Mistakes That Make Sudoku Harder Than It Is
Scan by digit instead of by cell, use all three constraints, clear dead pencil marks, and stop guessing. Nine habits that make an easy grid feel hard, with the fix for each.
16 min readSudoku Words: Cell, Box, Peer, Candidate, Given
Cell, box, unit, given, candidate, peer, naked, hidden, pointing, fish. Every Sudoku word defined and shown on one worked grid, so the terms point at something.
17 min readSudoku for Kids: Which Grid to Start On, and When
Start a child on a 4x4, move to 6x6 once one is finished unaided, then the full grid. Two worked mini puzzles, three readiness tests, and the check that catches broken printables.
13 min read