One Stroke: Line Puzzle

Trace every cell in one line

Only for iPhone

Free · Designed for iPhone. Not verified for macOS.

iPhone

The classic one-stroke puzzle: drag your finger to pass through every cell in a single line. How many boards can you clear in 90 seconds? HOW TO PLAY 1. Start tracing from any cell you like 2. Connect to neighboring cells and cover the whole board in one stroke! 3. Stuck? Lift your finger to retry (you can also step back one cell) 4. Boards get bigger and harder as you clear them FEATURES - No tutorial needed. Anyone can play instantly - Tests both your logic (where to start) and tracing speed - Best score is saved automatically - Share your results and compete with friends - Works offline. Perfect for commutes and waiting time - Available in English and Japanese That satisfying flow of solving one after another. Can you clear 8 boards in 90 seconds? Give it a try!

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The developer, SHIN HOMMA, 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 Used to Track You

    The following data may be used to track you across apps and websites owned by other companies:

    • Identifiers
    • Usage Data
  • Data Not Linked to You

    The following data may be collected but it is not linked to your identity:

    • Identifiers
    • Usage Data
    • Diagnostics

Privacy practices may vary, for example, based on the features you use or your age. Learn More

The developer has not yet indicated which accessibility features this app supports. Learn More

Seller
  • SHIN HOMMA
Size
  • 4 MB
Category
  • Casual
Compatibility
Requires iOS 16.0 or later.
  • iPhone
    Requires iOS 16.0 or later.
  • Mac
    Requires macOS 13.0 or later and a Mac with Apple M1 chip or later.
Languages
  • English and Japanese
Age Rating
4+
Copyright
  • © 2026 Shin Homma