Play sudoku your way — from quick classic puzzles to epic Samurai grids with 5 overlapping boards. Whether you have 5 minutes or an hour, there's always a sudoku challenge waiting for you. Pick a variant, choose a difficulty, and start solving.

🧩 5 UNIQUE GAME MODES

Go beyond the standard 9×9 grid. Choose from five exciting sudoku variants, each with its own rules and strategy:
• Classic Sudoku — The timeless number puzzle. Fill every row, column, and 3×3 box with numbers 1 to 9.
• Sudoku X — Both diagonals must also contain unique numbers. A familiar grid with an extra twist.
• Jigsaw Sudoku — Irregular shapes replace standard boxes. Think differently to solve each puzzle.
• Killer Sudoku — Cages with sum clues combine logic and arithmetic. No repeats within a cage.
• Samurai Sudoku — Five 9×9 grids overlap at the corners for a massive, interconnected challenge.

Every variant is available in 4 difficulty levels: Easy, Medium, Hard, and Expert.

📅 DAILY CHALLENGES & CALENDAR

A fresh sudoku puzzle every single day. Compete against players around the world for the fastest solve time and build your daily streak. Missed a day? Open the built-in Calendar to browse and complete challenges from previous days. Aim for the longest streak possible.

🏆 GLOBAL LEADERBOARDS

See how you rank against sudoku players worldwide. Leaderboards are filtered by difficulty so you can compare your times fairly. Climb the rankings and challenge yourself to improve with every game.

📊 DETAILED STATISTICS

Track every aspect of your sudoku journey with in-depth stats:
• Total games won and perfect games with zero mistakes.
• Best and average solve times across all variants.
• Progress breakdown by difficulty level and puzzle type.
• Current daily streak and your all-time longest streak.
• Total play time tracked across every game mode.

🧠 SMART PLAYER AIDS

Powerful tools to help you improve and enjoy every sudoku session:
• Notes mode — Add pencil marks to track candidates in each cell.
• Auto-clear notes — Notes update automatically when you place a correct number.
• Highlight connected areas — See the row, column, and block of your selected cell.
• Remaining numbers — See how many of each digit are left to place.
• Hide completed numbers — Finished digits fade from the keypad so you can focus.
• Flash mode — Tap a number once, then fill multiple cells with it quickly.
• Hints — Stuck on a tough cell? Get a nudge in the right direction.
• Undo — Reverse your last move instantly.

📚 PUZZLE COLLECTION & GAME HISTORY

Browse a curated library of sudoku puzzles organized by difficulty. Complete levels to earn up to 3 stars based on your performance. Track your best time on every puzzle and revisit completed ones to beat your record. Your full game history keeps a log of every puzzle you have played.

✈️ FULLY OFFLINE

No internet? No problem. Generate and play unlimited sudoku puzzles completely offline — on a plane, on the subway, or anywhere without Wi-Fi. Your progress syncs automatically when you reconnect.

🎨 MODERN DESIGN & CUSTOMIZATION

A clean interface built with Material 3. Smooth animations, satisfying haptic feedback, and full dark mode support. Customize your experience with two keypad layouts — single row or two rows — and set your preferred keypad position for landscape play. Designed for phones and tablets.

🔐 YOUR PROGRESS, EVERYWHERE

Sign in with Google to save your stats and scores to the cloud. Switch devices without losing a single game or streak. Prefer privacy? Play as a guest with all data stored locally on your device.

🌍 15 LANGUAGES

Play sudoku in your language. Fully translated into English, Spanish, German, French, Italian, Portuguese, Russian, Arabic, Hindi, Japanese, Korean, Dutch, Polish, Turkish, and Chinese.

Choose your variant. Pick your difficulty. Solve the puzzle.