Sudoku - Classic Sudoku

Sudoku — classic logic game Sudoku is a classic game of logic and focus that trains your brain and helps you switch off from the daily rush. Fill the 9×9 grid so that every row, every column and every 3×3 box contains the digits 1 to 9 — and enjoy pure logic. 🧩 FIVE DIFFICULTY LEVELS Easy, Medium, Hard, Expert and Master — pick one to match your mood. Beginners get a comfortable start, experienced players get a real challenge. 📅 DAILY CHALLENGE A new special puzzle every day. Solve it, earn bonus coins and keep your daily streak alive. 🔥 DAILY STREAK Play every day and watch your streak grow. The longer the streak, the bigger the rewards. Don't let the fire go out! 💡 HANDY TOOLS Pencil notes, hints, undo and highlighting of related cells — everything you need to solve puzzles comfortably and avoid careless mistakes. 🎨 THEMED SKINS Tired of plain numbers? Swap them for themed sets — Space, Ocean or Medieval. Buy skins with coins you earn in the game. 🪙 COINS AND BOOSTERS Earn coins for solved puzzles and daily logins. Spend them on hints or new skins. Stuck? Watch a short ad and get extra coins. ❤️ MISTAKE SYSTEM Three mistakes per game — think carefully. Made too many? Watch an ad and continue right where you left off. 📊 STATS AND PROGRESS Track your best times, win rate and 30-day activity history. Get better with every game. No internet, no clutter — just pure logic and your own head. Download and train your brain every day!