Logic Owl: Sudoku & Puzzles

Logic Owl brings together classic and unusual puzzle types in one uncluttered app – no account, fully offline. Every puzzle has exactly one solution and can be cracked by pure logic – no guessing, no luck.

🧩 46 PUZZLE TYPES
From the classics to unusual variants – something for every taste:

• Sudoku: Sudoku, Killer Sudoku, Skyscraper Sudoku, 2D Sudoku
• Numbers & letters: Skyscrapers, ABC End View, ABC End View 2, Dominoes, Brick Wall, Different Neighbours, Kakuro, Renzoku, Renban, Kojun, One Up, Futoshiki, Magic Labyrinth
• Marking cells: Nonogram, Rain Clouds, Thermometers, Mines, Aquarium, X and O, Island, Nurikabe, Yin and Yang, LITS, Hitori
• Placing objects: Tents, Stars and Arrows, Star Battle, Battleships, Walls, Magnets, Lighthouses
• Paths & connections: Bridges (Hashi), Pipeline, Network, Pipes, Train Tracks, Snake, Number Path, Simple Loop
• More puzzles: Night Watchman, Radio Towers, Draw Borders – original creations you won't find anywhere else

And new puzzles keep arriving.

📅 A NEW ONE EVERY DAY
• A daily puzzle for every puzzle type – fresh each day
• Keep your streak alive and collect badges

🎯 FOR EVERY SKILL LEVEL
• Four difficulty levels: Easy, Medium, Hard and Expert
• 400 handpicked puzzles per puzzle type – over 18,000 in total
• Plus random puzzles for an endless supply

📚 BEGINNER-FRIENDLY
• Interactive tutorial for every puzzle type – learn the rules right in the app
• Hint function for when you get stuck
• Check function that marks mistakes if you want it to
• Clues are highlighted in colour as soon as they are satisfied

🌍 IN EIGHT LANGUAGES
• English, German, Spanish, French, Italian, Portuguese (Brazil and Portugal) and Indonesian
• Switch the language right inside the app – independently of your device

🛠️ THOUGHTFUL CONTROLS
• Unlimited undo and redo
• Progress saves automatically – pick up any time
• Statistics with best times and badges
• Print puzzles and solve them on paper
• Share your results with friends

☁️ OPTIONAL CLOUD BACKUP
• Optionally back up your progress via Play Games and sync it across devices
• Entirely optional – without signing in, everything stays on your device

✨ WHY THIS APP
• No banners, no pop-ups
• No in-app purchases
• Works offline
• No account needed
• Light and dark theme
• Clean, fast and easy to use

Whether it's a short brain break or a long evening of puzzling – you'll find the right puzzle for any mood.

Enjoy the challenge!