Choose a cell
Select an empty cell. Look at the numbers already in its row, column and 3×3 box.
A game by MatrixBreach
Make a little space for Sudoku. Fill the grid, follow a deduction and enjoy finding the number that fits.

ONE GRID, ONE STEP AT A TIME
Every puzzle starts with three hearts, and retrying is free. Each given digit stays in place; the empty cells are yours to solve.
Select an empty cell. Look at the numbers already in its row, column and 3×3 box.
Enter a digit from 1 to 9 without repeating one in the row, column or box.
Use manual Notes, the free Candidates preview or an explained hint when helpful.
From a quiet first grid to a more demanding deduction.

Start with Easy or Medium, then unlock Hard, Expert, Master and Extreme through completed levels.
Every puzzle is available through progress, without real-money purchases. Normal play works without a connection.
Play today or past dates for one star per date and one-time mode rewards. In the 1.0.13 update: 300 dedicated puzzles across 75 dates through 7 January 2027. Earlier builds retain 160 through 3 December 2026; fallback trails may repeat.
Choose Beginner, Intermediate, Advanced or Expert. Explore 24 illustrated guides and interactive practice across 21 lesson models, with learning progress saved separately. Practice preserves your real game, coins, hearts and hints.
Keep manual notes, preview Candidates and edit freely with erase, undo and redo.
Earn a saved hint from an optional rewarded ad or use earned virtual coins. Ordinary editing is free; applying a displayed deduction is optional.
Choose light or dark, larger text, reduced motion and the sound and haptics that suit you.
PICK UP WHERE YOU LEFT OFF
Sudokuzy remembers your active puzzle, notes, history and preferences locally. The 1.0.13 Tutorial adds separate guide/lesson progress, resume/completion and tutorial-audio preferences. There is no sign-in or developer cloud save. Removing app data or changing devices can lose that progress.
Understand your saved dataFind a gameplay answer or tell us what went wrong.