Sudoku Puzzle, Brain Training
Sudoku Puzzle, Brain Training Summary
Sudoku Puzzle, Brain Training is a mobile Android app in Puzzle by Needs Soft. Released in Dec 2025 (3 months ago). It has about 8.00+ installs Based on AppGoblin estimates, it reaches roughly 8.00 monthly active users . Store metadata: updated Dec 23, 2025.
Recent activity: 8.00 installs this week (8.00 over 4 weeks) View trends →
Store info: Last updated on Google Play on Dec 23, 2025 .
0★
Ratings: 0
Screenshots
App Description
A polished Sudoku app with key features, smooth feedback, and refined UI.
🎮 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.
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🔄 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.
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⏱️ 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
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🏆 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
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❤️ 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
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🎉 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”
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🔘 7. Button Features
✔ Undo
Uses a stack to store previous states
Multiple undo steps supported
✔ Eraser
Clears the selected cell
✔ Notes (Memo Mode)
Allows input of small candidate numbers
Toggle button: Note ON / OFF
✔ Hint
Fills in one correct cell
Optional limit based on difficulty
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🧩 8. UI / UX Enhancements
✔ Highlight System
Highlights:
Selected cell
Row & column
3×3 block
Same numbers on the board
✔ Error Feedback
Red numbers on wrong input
Short vibration feedback
✔ Modern UI Design
Soft pastel or dark theme
Rounded cards for grid and buttons
Material You / Material 3 styles
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📱 9. Modern App Icon
Possible styles include:
Minimal “9” or Sudoku block
Clean 3×3 grid design
Cute cartoon block characters
Premium blue / gold gradient icon