Sudoku - Clean Number Puzzle

Name: Sudoku - Clean Number Puzzle
Author: Hwion Studio

By: Hwion Studio Game

Elegant sudoku with notebook style. Ad-free gameplay, daily challenges.

Overview

Google Play Store

Downloads

Data as of 2026-09-21

Version:

1.0.0

Last updated: 2026-08-15

Ranking

#3,018,358 ▼ 6,684

Overall

Features & Capabilities

📖 A quiet sudoku experience, notebook-style

Sudoku - Clean Number Puzzle reimagines the classic sudoku
with the aesthetic of magazines and notebooks. A calm brain
training game for thoughtful puzzle lovers.

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🎯 Elegant Design
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- Ivory paper background with serif typography
- Light & Dark modes with 4 ink colors
(Sepia, Indigo, Forest, Burgundy)
- No ads during gameplay - stay focused

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🧠 Four Difficulty Levels
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- Easy - Relaxing start for beginners
- Medium - Comfortable challenge
- Hard - For experienced solvers
- Expert - Test your mastery

100 puzzles per difficulty. Track your progress.

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📅 Daily Challenges
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- Daily Challenge - 3 fresh puzzles every day
- Weekly Event - 7-day trophy challenge
- 1-Year Archive - Play any past day
- Streak System - Daily completion tracking

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✨ Comfortable Play
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- Auto-save - Resume anytime
- Unlimited undo - No mistakes to worry
- Pencil notes - Classic sudoku solving
- Error checking - Learn as you play
- Hint system - Guidance when stuck

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💎 Premium (Optional)
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- Remove Ads $2.99 (one-time) - Uninterrupted play
- Hint Pack $0.99 - 50 hints without ads

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🎨 Customize
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- 4 ink colors
- Light/Dark themes
- Font size adjustment
- Sound effects toggle

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A quiet moment each day, on paper.
Start your brain training journey with
Sudoku - Clean Number Puzzle.

Contact: contact@hwion.app