Sudoku: Ultimate Duel

Think you know Sudoku? Think again. Sudoku: Ultimate Duel is a sleek, neon-styled logic game that blends the number puzzle you love with real depth, competitive rankings and dozens of challenges. Solve puzzles solo offline, race against the clock, or take on a friend and players from around the world online! 🎮 4 BOARD SIZES • 4×4 — perfect to start, fast and simple • 6×6 — a quick game with a little challenge • 9×9 — the classic Sudoku you know and love • 16×16 — the ultimate challenge for true masters • 5 difficulty levels: from Very Easy to Expert 🌍 PLAY YOUR WAY • Solo offline mode — play at your own pace, no internet needed • Vs computer — test yourself across difficulty levels • Online with a friend — just share a room code • Quick Match — instant pairing with a similar-skill player 🧩 EVERY TOOL IN ONE PLACE • Timer with pause — full control over your time • Hints — never get stuck for good • Notes mode — jot down candidate numbers in each cell • Endless auto-generated puzzles 🏆 RANKING & COMPETITION • ELO rating system — online and offline • Global leaderboard of top players • Best-times leaderboard — beat records for every board and level • Climb to the top and defend your spot 🎖️ 89 BADGES TO UNLOCK • From bronze and silver to gold and platinum • Challenges for win streaks, times, board sizes and much more • Track your progress in a detailed player profile ✨ WHY YOU'LL LOVE IT • Elegant gold-and-navy design with neon accents • Satisfying sound effects and background music • Detailed stats: win rate, streaks, game history • Available in 6 languages • Easy to learn, hard to put down Classic 9×9 Sudoku, mini 4×4 and extreme 16×16 in one free game. Download now and see if you have what it takes to become a master. Your game. Your time. Your ranking.