1Line: Connect Dots Puzzle

Contains adsIn-app purchases
4.7
1.3K reviews
10K+
Downloads
Content rating
Teen
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About this game

1Line & Dots is a free, addictive brain puzzle game packed with challenging and tricky logic teasers. Designed to push your brain to its limits, it offers a variety of puzzle patterns at every level. Some are simple, others will truly test your problem-solving skills.

Can you connect all the dots with just one line? Download now and try to unlock every puzzle level. Activate your brain, sharpen your mind, and improve your spatial thinking and IQ with these brain-teasing challenges!

Perfect for players of all ages and genders. Whether you want to improve your IQ or enjoy a fun mental workout, 1Line & Dots is for you. Puzzles range from beginner-friendly to highly challenging, making it a great tool for kids to develop intelligence and for seniors to keep their minds sharp.

📍 Play Anywhere - at home, work, in a park, or on a bus. Relax before bed after a long day or train your brain anytime.

Features:
🕹️ Unique Gameplay - simple, straightforward, and endlessly satisfying
⚫ Custom Skins - personalize the dots to match your style
🎶 Relaxing Music - calm background tunes for better focus
💡 Helpful Hints - guide you through tricky puzzles

How to Play:
On the screen, you’ll see dots and hint lines forming a shape. Your goal is to connect all the dots with one continuous line that follows the hints. But remember: you can’t go over the same line twice. Simple? Not always! As levels progress, your logical thinking will be put to the ultimate test.

P.S. Some puzzles are incredibly challenging—stay patient, think logically, and you’ll succeed.
Updated on
Nov 8, 2025

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.
This app may share these data types with third parties
Device or other IDs
No data collected
Learn more about how developers declare collection
Data is encrypted in transit
Data can’t be deleted

Ratings and reviews

4.7
1.24K reviews
Deanna Pursley
April 20, 2024
I played all the levels in this game quickly. It is one of my favorites! No ads (please keep it that way, even if you charge a small fee to buy it!) I do not purchase many games, I install them until the ads get intrusive, then I will delete it and move onto something else. Please please don't do that to this game!
1 person found this review helpful
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nixGames
May 19, 2024
Thank you for your support 😊
나츠모리 부계
October 12, 2025
very good interface, design. very simple, and attractive. I love it.
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nixGames
October 16, 2025
Thanks for taking out time to rate us. It really helps us to keep going and delivering the best :)
28_Harish Imaduddin Mukhlis
June 8, 2021
It's too easy for a puzzle game. I managed to beat all 200 levels in one sit. The mechanics are too simple that it gets boring. Maybe it can be improved with challenges(like give a start/end point), or introduce more mechanics to the game(like a double line). Because this idea alone is not a good game design.
7 people found this review helpful
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nixGames
June 16, 2021
Thank you very much for your review concerning our game. We are always collecting user feedback and emails that we can apply with updates.

What’s new

Focus, patience, and logic — that’s all you need. Sounds easy? Try it.