Sudoku

Sudoku is a focused number puzzle with a clean dark interface and no distractions.

HOW TO PLAY
Fill the 9×9 grid so every row, column, and 3×3 box contains digits 1–9 without repeats. Tap a cell, pick a number, or switch to note mode for candidates.

FEATURES
• Six difficulty levels from Easy to Robots only
• Number pad with completed-digit markers
• Note mode, eraser, undo, and hint
• Conflict highlighting and same-number matches
• Timer and personal best times per difficulty
• English and Russian interface
• Works fully offline — no account, no ads, no tracking

One price, yours forever.