Trace : One Line Puzzle

Contains adsIn-app purchases
Content rating
Everyone
5+
Downloads
Content rating
Everyone
Learn more
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AI
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About this game

Fill every square with a One-Line!

This is a minimalist one-line puzzle game with progressively increasing difficulty. Connect the lines to complete every path and challenge yourself to set the best score.

Trace’s Unique Concept:

🖊️ Puzzles solved with a single line

There are no complicated controls. The goal is to connect the lines with just one finger to complete every path.

🧠 Easy to Start, Deep Puzzles

Anyone can easily get started, but as you progress through the stages, you’ll need to think more strategically.

🌎 Global Leaderboards

Solve puzzles in the fastest time possible and compete with players around the world for the top spot.

⏱️ A Puzzle You Can Enjoy Anytime, Anywhere

Even short play sessions are satisfying, so you can enjoy it without any pressure during your commute or breaks.

🎮 How to Play Trace:

① Drag to fill all the squares.

② As you draw a line, you must pass through every empty square exactly once.

③ Lines cannot cross or overlap.

④ Once you’ve filled all the squares and completed all connections, you’ve cleared the stage!

⑤ If you’re stuck, use a hint to see the next path.

Recommended for:

🧩 Puzzle game enthusiasts

🧠 Those looking for a game that challenges the mind

⏳ Those who want a game they can enjoy casually in short bursts

✨ Fans of simple yet addictive games

Translated with DeepL.com (free version)
Connect every square with one line. Challenge your brain in minimalist puzzles.
Updated on
Aug 9, 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
No data collected
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What’s new


TRACE: One Line Puzzle is here! 🎉

A minimalist one-line puzzle game where you fill every square with a single line.

🖊️ Simple one-finger controls
🧠 Easy to start, gets deeper as you go
🌎 Global rankings against players worldwide
⏱️ Quick, satisfying puzzles anytime, anywhere

Download now and take on your first stage!