Hexadecimal Sudoku (16×16): Play with digits 0–9 and A–F for a deeper logic challenge
Hexadecimal Sudoku (16×16): Play with digits 0–9 and A–F for a deeper logic challenge.
Classic Sudoku (9×9): Switch anytime for a familiar experience.
Daily Puzzle: The same daily challenge for everyone.
Multiple Difficulties: Easy, Moderate, and Hard.
Smart Hints: 5 free daily clues, with extra hints available by watching ads.
Notes & Pencil Marks: Keep track of candidates.
Undo/Redo: Step backward and forward through your moves.
Pause Mode: Hide the grid when you step away.
Stats & Personal Bests: Track solves and average time by difficulty.
Light/Dark/System Themes: Matches your device preference.
Accessible & Clean UI: Fast gameplay with clear highlights.