One-sudoku.com

Every day at midnight a fresh sudoku puzzle is published. Solve it and earn a point for your country — then watch the global leaderboard shift. HOW IT WORKS • A new puzzle appears every 24 hours • Solve it at your own pace — no timer pressure • Your point counts toward your country's daily, weekly, monthly, and all-time ranking • Track how your country compares against the rest of the world WHY ONE SUDOKU? Most sudoku apps overwhelm you with hundreds of puzzles and scores to chase. One Sudoku is different: one puzzle, done for the day. It fits into your morning coffee, lunch break, or evening wind-down — and it actually means something because everyone is solving the same grid. FEATURES • Clean, distraction-free interface • Global country leaderboard (today / this week / this month / all time) • No account required — just pick your country and start solving • New puzzle every day, never repeated Join players from around the world. Every solve counts.