A polished Sudoku app with key features, smooth feedback, and refined UI.
About Sudoku Puzzle, Brain Training
Sudoku Puzzle, Brain Training is a puzzle app developed by Needs Soft.
Download Statistics
Sudoku Puzzle, Brain Training has been downloaded 12 times. In the last 30 days, the app was downloaded 0 times.
User Ratings
The app has no ratings yet.
App Information
Sudoku Puzzle, Brain Training is FREE to download. The APK download size is 7.94 MB. The latest version available is 1.4. The last update was on December 23, 2025.
Technical Requirements
The app has a content rating of Everyone. The app has been available on Google Play December 2025.
Description
๐ฎ 1. Difficulty Selection Screen
Available difficulty levels:
EASY
MEDIUM
HARD
EXPERT
After selecting a difficulty, the app loads a puzzle set from internal storage (JSON or DB) and starts the game.
------------------------------------------- ๐ 2. Continue Game (Resume)
Automatically saves all game progress:
Current board state (9×9 grid)
Notes (memo numbers)
Timer progress
Remaining lives
On app restart, a "Continue" button appears if saved data exists.
Uses SharedPreferences or Room Database.
------------------------------------------- โฑ๏ธ 3. Timer & Pause System
Displays elapsed time (e.g., 00:12:51)
Pause button:
Freezes the timer
Blurs or dims the board
Shows a “Resume” button
Resume button unfreezes the timer
------------------------------------------- ๐ 4. High Scores
Stores the best clear time for each difficulty
After clearing the puzzle:
If faster than the previous record → show “New Record!” popup
Data stored using SharedPreferences or Room
------------------------------------------- โค๏ธ 5. Life System (3 Mistakes)
Player has 3 lives
When entering a wrong number:
Number turns red for a moment (error highlight)
Device vibrates briefly
One life icon disappears
When life reaches 0:
Bomb explosion animation
“Game Over” popup with Restart option
------------------------------------------- ๐ 6. Game Clear System
Upon completing the puzzle:
Show Thumbs Up icon animation
Display colorful confetti fireworks animation
Show Clear popup with:
“Restart”
“Go to Difficulty Selection”
------------------------------------------- ๐ 7. Button Features โ Undo
Uses a stack to store previous states
Multiple undo steps supported
โ Eraser
Clears the selected cell
โ Notes (Memo Mode)
Allows input of small candidate numbers
Toggle button: Note ON / OFF
โ Hint
Fills in one correct cell
Optional limit based on difficulty
------------------------------------------- ๐งฉ 8. UI / UX Enhancements โ Highlight System
Highlights:
Selected cell
Row & column
3×3 block
Same numbers on the board
โ Error Feedback
Red numbers on wrong input
Short vibration feedback
โ Modern UI Design
Soft pastel or dark theme
Rounded cards for grid and buttons
Material You / Material 3 styles
------------------------------------------- ๐ฑ 9. Modern App Icon
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