Sudoku.net

Master Sudoku with an eye-soothing design, 6,000 verified puzzles, smart hints, and custom difficulty levels built for focus and relaxation

Discover the ultimate Sudoku experience designed for clarity, focus, and relaxation. Whether you are a beginner looking to learn basic logic or a Sudoku master seeking a true challenge, our app offers thousands of hand-verified puzzles across six difficulty tiers. Engineered with an eye-friendly slate color palette, smart note-taking, and responsive controls, you can enjoy a seamless, distraction-free puzzle experience built for all skill levels. KEY FEATURES: Six Difficulty Tiers Choose from Beginner, Easy, Medium, Hard, Expert, and Master. Perfect for quick mental warm-ups or deep strategic problem-solving. Thousands of Verified Puzzles Play through thousands of 100% solvable, mistake-free puzzles pulled directly from open-source collections. Eye-Friendly Theme Carefully balanced color contrast and soft backgrounds reduce eye strain during extended night or day play sessions. Smart Note-Taking Toggle notes mode with one tap to mark candidate numbers in empty cells. Automatic note cleanup keeps your board organized as you fill in numbers. Helpful Hints & Lifelines Stuck on a tough puzzle? Use smart hints to logically reveal cell values or highlight single candidates without spoiling the fun. Track Your Progress Review your statistics for every difficulty level, including completion times, win rates, current streaks, and personal bests. Second Chance System Mistakes happen. Watch a short video to clear your mistakes and keep your active game and winning streak alive. Play Anywhere Full offline support allows you to solve puzzles on the go without requiring an internet connection. Download today and transform your daily puzzle routine with a clean, modern, and stress-free Sudoku experience..