Sudoku: Classic Number Puzzles

Play classic Sudoku puzzles for free — offline, unlimited, and perfect for daily brain training. Sudoku: Classic Number Puzzles is a clean, distraction-free number puzzle game built for real logic lovers, from total beginners to Sudoku experts. Whether you want to relax after a long day or wake your brain up with a quick morning puzzle, enjoy unlimited Sudoku grids anytime — no Wi-Fi, no mobile data, no account required. WHY PLAYERS LOVE THIS SUDOKU GAME 🧩 20 Levels, Easy to Expert Progress through 20 handcrafted difficulty levels. Start with simple grids to learn the basics, then work up to expert-level number puzzles that really test your logic. ⭐ Track Your Progress Earn up to 3 stars per level based on speed and accuracy, and see your best completion time for every puzzle you solve. ✏️ Pencil / Notes Mode Jot down candidate numbers in any cell, just like solving Sudoku with a real pencil and paper. 🚫 Smart Error Highlighting Instantly see duplicate or incorrect numbers as you play, so you learn from mistakes instead of losing track of them. 💡 Built-In Hint System Stuck on a tough grid? Reveal the next correct number with a hint, without giving up on the challenge. 🌙 Light & Dark Mode Play comfortably day or night with a full dark theme. 📴 100% Offline Play This Sudoku game works completely offline. Play free number puzzles anywhere — on a plane, on the subway, or anywhere without signal. ⚡ Fast & Lightweight A clean, battery-friendly app with no clutter and no unnecessary permissions. PERFECT FOR - Sudoku and number puzzle fans of every skill level - Daily brain training and logic practice - Relaxing, screen-time-friendly puzzle sessions - Anyone searching for classic Sudoku, offline puzzle games, or free brain games Download Sudoku: Classic Number Puzzles now and put your logic to the test — one grid at a time.