Sudoku (by RootFox)

Sudoku is a focused number puzzle with a clean dark interface. 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 time records per difficulty • Game Center / Play Games leaderboards