Nine Sudoku: Logic Puzzles

Nine Sudoku is a clean, quiet sudoku game built around one promise: you never have to guess. If you like number puzzles, logic puzzles and brain games, this is sudoku made to be solved, not guessed.

Every puzzle is solvable by logic. Pick a level and play offline, no sign-up needed.

• Easy — singles only, plenty of starting numbers
• Medium — singles only, fewer starting numbers
• Hard — adds locked candidates, naked and hidden pairs
• Expert — adds triples, X-Wing, Y-Wing

Hints that teach
Stuck? A hint doesn't just fill in a number. It shows you which cells matter and explains the reasoning, so you learn the technique. Apply it with one tap, or find the move yourself.

Made for focus
• Notes (pencil marks), undo, erase and restart
• Same-number highlight: select a number and every matching number lights up
• 3 mistakes allowed per game; continue once after a loss by watching a short ad
• Auto-saved games: pick up where you left off
• Statistics and best times for every level
• Replay your finished game move by move
• Light, minimal design with no clutter

Ads
A small banner is shown at the bottom. There are no pop-up ads between games. Extra hints and a second chance are available by watching an optional ad.