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- Leaderboards now load smoothly as you scroll, making every rank easier to explore. - Match results and ELO updates are more reliable, even after temporary connection issues. - Performance and stability improvements deliver smoother games and online play.
Daily brain training with 4x4, 6x6 and classic 9x9 Sudoku puzzles.
Enjoy a clean and focused Sudoku experience designed for daily brain training, logic practice and relaxing puzzle sessions. Play the classic 9x9 board, or choose faster 4x4 and 6x6 variations when you want a shorter challenge. Multiple difficulty levels let you start comfortably and improve step by step, from easy puzzles to expert and master challenges. Helpful hints, mistake tracking and scoring support your progress while keeping every game clear and satisfying. Follow your progress on the World Ranking, watch your ELO-style score change after completed games and compare your performance with other players. Whether you play for a quick break or a longer thinking session, Sudoku offers readable boards, simple controls and challenges for every skill level.