1Line: One Line Brain Puzzle
Connect dots at your own pace
Free · Designed for iPad. Not verified for macOS.
Connect every dot once and finish with one continuous line.
1Line is a one-line drawing puzzle game. Start at the glowing dot, visit every dot exactly once, and reach the goal.
Features
• Journey mode with stages and star challenges
• Freshly generated puzzles and a shared daily puzzle
• Refined visuals, animations, sound effects, and haptic feedback
• Hints, undo, and path reset
• Today, weekly, all-time, and country rankings
• Suggested country selection that you can change manually
• Korean and English support
No account registration is required. This version does not display ads or offer in-app purchases.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
Explore Journey mode and earn stars as you solve one-line puzzles. Enjoy refined visuals, animations, sound effects, and haptic feedback. Improved hint and settings reliability. This version does not display ads.
The developer, KCREW(KR), indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Linked to You
The following data may be collected and linked to your identity:
- Identifiers
- Usage Data
- Other Data
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- KCREW(KR)
- Size
- 58.6 MB
- Category
- Puzzle
- Compatibility
Requires iOS 15.0 or later.
- iPhone
Requires iOS 15.0 or later. - iPad
Requires iPadOS 15.0 or later. - iPod touch
Requires iOS 15.0 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English and Korean
- Age Rating
4+
- 4+
- Copyright
- © 2026 KCREW