# Classic Sudoku - Brain Puzzle > Relaxing offline Sudoku with hints, note-taking, undo & smart logic tools. Canonical page: [https://chrome-stats.com/d/com.wpjp.classicsudoku](https://chrome-stats.com/d/com.wpjp.classicsudoku) ## Overview - **ID:** `com.wpjp.classicsudoku` - **Platform:** Android - **Type:** Android app - **Status:** Removed - **Publisher:** Adam Apps - **Category:** GAME\_PUZZLE - **Downloads:** 103 - **Version:** 2.6 - **Last updated:** 2025-08-27 - **First published:** 2022-01-06 - **Size:** 56 MB - **Data as of:** 2025-10-28 - **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.wpjp.classicsudoku) - **Website:** [https://o8d75f906.app-ads-txt.com/app-ads.txt](https://o8d75f906.app-ads-txt.com/app-ads.txt) - **Privacy policy:** [https://pages.flycricket.io/classic-sudoku-1/privacy.html](https://pages.flycricket.io/classic-sudoku-1/privacy.html) ## Description 🧩 Master the world's most beloved number puzzle with Classic Sudoku - Brain Puzzle! Train your mind daily with beautifully crafted grids and intelligent features designed for puzzle lovers of all skill levels.
🎯 Perfect Sudoku Experience
Enjoy premium puzzle-solving with our clean, distraction-free interface. Whether you're learning Sudoku basics or tackling expert challenges, every grid delivers pure satisfaction and mental stimulation that keeps you coming back for more.
⭐ Key Features That Set Us Apart
🎲 4 Difficulty Levels for Every Player

Easy - Perfect for beginners learning Sudoku rules and basic strategies
Medium - Build confidence with moderate challenges and pattern recognition
Hard - Test advanced logical reasoning skills and complex deduction
Expert - Ultimate brain training for Sudoku masters seeking perfection

🎨 Premium Design & Usability Experience

Clean, modern interface with smooth animations and transitions
Responsive touch controls optimized specifically for mobile devices
Portrait & landscape modes adapting perfectly to any screen size
Eye-friendly color schemes reducing strain during extended gaming sessions
Intuitive navigation making every interaction feel natural and effortless

📱 Play Anywhere, Anytime - Complete Freedom

100% offline gameplay - absolutely no internet connection required
Auto-save progress across all active puzzles automatically
Perfectly optimized for both smartphones and tablets
Instant resume functionality - continue exactly where you left off
Battery-efficient performance ensuring hours of uninterrupted gameplay

🔧 Smart Puzzle Tools & Learning Features

Intelligent hint system that guides your learning without giving away solutions
Real-time auto-check catches mistakes immediately for faster improvement
Advanced pencil notes system for tracking multiple possible number candidates
Smart duplicate highlighting prevents common errors across rows, columns, boxes
Unlimited undo functionality - experiment freely without any penalties or restrictions

📊 Comprehensive Progress Tracking & Analytics

Detailed statistics breakdown for each individual difficulty level
Personal best completion times and accuracy rates tracking
Advanced performance analytics clearly showing your improvement trends over time
Comprehensive achievement system celebrating every milestone and breakthrough
Daily, weekly, and monthly progress summaries keeping you motivated

🧠 Why Choose Classic Sudoku for Brain Training?
Proven Mental Benefits:
✓ Dramatically enhance logical thinking and systematic problem-solving abilities
✓ Significantly improve daily concentration, focus, and sustained attention spans
✓ Effectively reduce stress levels through mindful, meditative puzzle-solving sessions
✓ Systematically build patience, persistence, and methodical reasoning skills
✓ Strengthen memory retention and pattern recognition capabilities
Perfectly Designed For:

Structured daily brain training and cognitive fitness routines
Productive commuting and travel entertainment during downtime
Peaceful, relaxing evening puzzle sessions before bedtime
Methodically learning fundamental number logic and deduction principles
Engaging friendly competition and challenges with family members

🏆 What Our Players Consistently Say
"The absolute cleanest, most intuitive Sudoku app I've ever used. The progressive hint system is brilliant!" - Sarah M.

🎮 Ready to Challenge Your Mind Today?
Download Classic Sudoku - Brain Puzzle right now and discover exactly why millions of players worldwide have fallen in love with this timeless, intellectually rewarding number puzzle experience. Begin your exciting journey from complete beginner to certified Sudoku expert with the most polished, comprehensive, feature-rich puzzle application available.
Transform every spare moment into productive, engaging brain training. Your mind will definitely thank you! ## Permissions and access ### Permissions - `android.permission.ACCESS_ADSERVICES_AD_ID` - `android.permission.ACCESS_ADSERVICES_ATTRIBUTION` - `android.permission.ACCESS_ADSERVICES_TOPICS` - `android.permission.ACCESS_NETWORK_STATE` - `android.permission.FOREGROUND_SERVICE` - `android.permission.INTERNET` - `android.permission.WAKE_LOCK` - `com.android.vending.BILLING` - `com.android.vending.CHECK_LICENSE` - `com.google.android.gms.permission.AD_ID` - `com.wpjp.classicsudoku.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION` ## Similar extensions and apps - [Sudoku - Classic Brain Puzzle](https://chrome-stats.com/d/com.shadolab.sudoku) — 818 users - [Sudoku Master Puzzle](https://chrome-stats.com/d/com.ddplay.sudoku) — 18 users - [Sudoku - Classic Puzzle Game](https://chrome-stats.com/d/com.axionstudios.sudoku) — 13 users - [Sudoku-Classic Sudoku Puzzle](https://chrome-stats.com/d/zen.sudokumasterpr) — 82 users - [Classic Sudoku: Logic Puzzle](https://chrome-stats.com/d/com.kbemanagmentllc.sudoku) — 5 users - [Sudoku - Classic Brain Games](https://chrome-stats.com/d/com.sudoku.payzmall) — 7 users - [Sudoku - Brain Puzzle Game](https://chrome-stats.com/d/com.azizsheikh.sudoku) — 36 users - [Sudoku: Classic Logic Puzzles](https://chrome-stats.com/d/com.sudoku.technomad) — 52 users - [Sudoku Master: Brain Puzzle](https://chrome-stats.com/d/com.sripra.sudoku) — 7 users - [Sudoku Puzzle Classic](https://chrome-stats.com/d/com.gsgames.sudoku) — 7 users - [Sudoku - Classic Puzzle](https://chrome-stats.com/d/com.sinavhani.sudoku) — 169 users - [Sudoku - Classic Brain Puzzle](https://chrome-stats.com/d/kr.co.bitcraft.sudoku) — 112 users --- Source: [Chrome-Stats](https://chrome-stats.com/d/com.wpjp.classicsudoku)