One Line Maze: Draw & Fill

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Content rating
Everyone
0+
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Content rating
Everyone
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About this game

Welcome to One Line Maze, the ultimate brain-training puzzle game designed to test your spatial logic and concentration! Swipe to draw a single, unbroken line that fills every empty tile on the board to win.

✏️ HOW TO PLAY
• Start from the glowing origin point.
• Draw a single, continuous path to fill all the empty tiles.
• You cannot cross black walls or travel back over paths you have already visited.
• Fill the entire board in one single stroke to clear the level!

✨ GAME FEATURES
• Thousands of Unique Levels: Dive into a massive collection of brain-teasing puzzles.
• 8 Difficulty Tiers: From simple grids for absolute beginners to massive, mind-bending labyrinths for puzzle masters!
• Clean & Relaxing UI: Enjoy a smooth, distraction-free environment with beautiful visual feedback.
• 100% Offline Play: Play anywhere, anytime on the subway or airplane without internet.
• Helpful Hints: Stuck on a level? You can choose to view the answer to help you progress.
• Auto-Save: Pick up exactly where you left off.

Sharpen your mind and push your logic skills to the limit. Can you solve them all? Download One Line Maze now and start your daily brain workout!
Draw a single continuous line to fill all the blocks! Train your brain daily.
Updated on
Aug 1, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
    Learn more about how developers declare sharing
  • This app may collect these data types
    Location, App activity and 2 others
  • Data is encrypted in transit
  • Data can’t be deleted

What’s new

Initial release of One Line Maze: Draw & Fill!
- Draw a single continuous line to fill all blocks.
- Simple rules, deep spatial logic challenges.
- Thousands of levels across 8 difficulty tiers!
- 100% offline play - train your brain anywhere, anytime.
- Stuck? Every puzzle includes an optional solution reveal to help you move forward.
Can you solve them all?
Content rating
Everyone
Learn more

App support

About the developer
ZHU JIHAO/朱 吉好
support@uuware.com
東品川3丁目32−6 808 品川区, 東京都 140-0002 Japan

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