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.