Description:Sudoku Clean - No ads delivers pure, minimalist Sudoku with zero interruptions. Focus on the classic 9x9 logic challenge through a distraction-free design, smooth number input, and clean visuals. Pick from multiple difficulty levels, use pencil marks and optional error highlighting, and track your time, streaks, and completion stats. Play offline anytime, enjoy dark mode, and relax knowing there are no ads, pop-ups, or clutter—just Sudoku at its best.
How to play:Choose a difficulty and start a new 9x9 puzzle.
Tap a cell and enter numbers 1–9 to fill the grid using logic, not guessing.
Toggle notes to add pencil marks for candidate numbers and refine them as you solve.
Use optional error check to spot conflicts and keep the board valid.
Undo or redo moves freely and clear cells when you need to backtrack.
Complete the grid to log your time, build streaks, and try tougher levels.