Sudoku · No Ads · Brain Puzzle

Classic sudoku made for calm focus—no ads, no pop-ups, just you and the puzzle. Play free every day: a fresh daily challenge, 6,000+ levels, and seven difficulties from Easy to Legendary. New to sudoku? Built-in guides and gentle Easy levels help you start without pressure. WHY SUDOKU • Truly ad-free — no interruptions while you solve • Daily sudoku challenge — keep a streak; catch up anytime • 6000+ puzzles — Easy, Medium, Hard, Expert, Master, plus new Extreme and Legendary • Easy to start — rules guide, how-to tips, and relaxed early Easy levels • Smart help — hints that explain the technique, plus notes & smart notes • Focus sounds — rain, fireplace, forest, waves, and more • Clear stats — times, streaks, and progress at a glance • Offline ready — play anytime, anywhere SUDOKU PRO — BUY ONCE, YOURS FOREVER • More lives, hints, and smart notes each game • Full Hard / Expert / Master / Extreme / Legendary libraries (free players still get a starter set) • Extra themes and ambient focus sounds • Full stats and play history No subscription. No renewals. One purchase that lasts. A spare minute or a quiet evening—open Sudoku and start today’s puzzle.