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Sudoku by Fluo IT is a clean, modern online Sudoku platform built for puzzle enthusiasts of all skill levels. Our goal is to deliver a smooth, distraction-free logic puzzle experience directly in your browser.
Whether you are solving your very first board or looking to master advanced techniques, our platform provides intuitive controls, structured learning resources, and responsive design across desktop and mobile devices.
Play boards with difficulties from Very Easy to Expert. Enjoy helpful features such as candidate notes (pencil marks), mistakes tracking, hints, pause, restart, and dark mode.
Learn the fundamentals with our visual step-by-step tutorial or explore 17 interactive strategy lessons covering techniques from Elimination and Naked Pairs to X-Wing and Swordfish.
Sign in with Google or Facebook to save your game history and track personal statistics. An optional ad-free premium access is available for an uninterrupted experience.
We believe logic puzzles should be accessible, visually clear, and focused on pure mental exercise. We prioritize performance, clean design, and genuine learning value over clutter.
