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Classic Sudoku Challenge

🧩 Classic Sudoku Offline Challenges

Welcome to Classic Sudoku Challenge!


Train your brain and relax with the timeless Classic Sudoku puzzles! Whether you're a beginner or a Sudoku master, this game is perfect for anyone who loves logic, numbers, and a good challenge. With thousands of puzzles, beautiful design, and smart features, it’s the ultimate Sudoku experience for all skill levels.


🎮 Basic Gameplay

Sudoku is a puzzle where you fill a 9x9 grid so that each row, column, and 3x3 box contains the digits 1 through 9 exactly once.


🛠️ Game Features

🔁 Undo

  • Reverts your last move
  • Tap the Undo button to go back one step
  • Supports multiple undo actions

Tip: Use this when you make a mistake or want to try a different number.


❌ Delete Wrong Entries

  • Removes incorrect entries from the board
  • Tap the Delete button to use

Note: This feature may be limited based on difficulty or mode.


💡 Note

  • Fills a correct number for a selected empty cell
  • Select a cell and press the Note button
  • Helps in planning moves and identifying correct values

This feature does not solve the puzzle automatically—it helps organize possibilities.


⚙️ Auto Fill

  • Automatically fills a number in an empty cell
  • Tap the Auto Fill button to use

Limited Use: Auto fills are limited per game and may be replenished by watching ads.


👤 Player Details

💾 Store Player Details

  • Stores your profile, progress, and stats
  • Includes:
    • Player name
    • Total puzzles completed
    • Best times
    • Difficulty preferences

Your data is securely stored on your device and used only for gameplay purposes.


🥇 View Leaderboard

  1. Go to Bottom Navigation Menu → Statistics
  2. Select “All” and choose difficulty (Easy, Medium, Hard, Expert)
  3. View top players ranked by fastest completion time
  4. Check individual player performance

🗓️ Daily Challenge & 30-Day Calendar

Stay sharp with new puzzles every day! The Daily Challenge provides a fresh Sudoku puzzle daily and tracks your streak over the past 30 days.

🗓️ What is the Daily Challenge?

  • A unique puzzle is generated every day
  • Same puzzle for all players on that date
  • Counts toward daily streak and leaderboard

📆 30-Day Challenge Calendar

  • Access via Bottom Navigation Menu → Daily Challenge → Calendar
  • Track progress over the last 30 days
  • Each day is color-coded:
    • Completed
    • Not started
    • Attempted but not completed

🧩 Playing a Daily Challenge

  1. Go to Daily Challenge from bottom navigation
  2. Select a date
  3. Solve the puzzle
  4. Your completion time is recorded

🎮 Perfect For

  • Quick brain training sessions
  • Improving logic and concentration
  • Relaxing while staying mentally active
  • Competing with yourself daily

From casual players to serious puzzle enthusiasts, Classic Sudoku Challenge delivers a smooth and satisfying experience. No unnecessary ads. No stress. Just pure logic fun.

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