Sudoku ~ Classic Number Puzzle

Sudoku ~ Classic Number Puzzle delivers a clean, modern take on the timeless logic game. Fill the grid with numbers 1–9 without repeating within rows, columns, or 3x3 boxes. Enjoy smooth controls, smart tools, and a difficulty curve that welcomes beginners and challenges experts. Highlights - Multiple difficulty levels, from Easy to Expert, plus curated challenge packs and daily puzzles - Smart hints that teach solving techniques, not just the next move - Notes mode with auto-candidate cleanup and conflict highlighting for faster, cleaner play - Mistake check, undo-redo, and duplicates highlighting to refine your strategy - Detailed stats, streaks, and time tracking to measure progress - Offline play, optional timer, and customizable themes for a focused experience

Choose a difficulty or jump into the Daily Challenge to start a new puzzle. Scan rows, columns, and boxes to place definite numbers using logic, not guessing. Toggle Notes to pencil in candidates, then refine them as you deduce new information. Use Smart Hint to learn a technique when stuck, or enable Auto Check to catch conflicts early. Leverage highlight and duplicate detection to spot safe placements quickly. Chase faster times, maintain streaks, and complete challenge packs to master every level.