Rare Thread: String Puzzle

Contains adsIn-app purchases
Content rating
Everyone
0+
Downloads
Content rating
Everyone
In-Game Purchases
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About this game

Rare Thread is a word-connect puzzle where geometry is the only judge.

Draw one continuous line through every letter to spell a word. Every letter must be used exactly once, and the thread may never cross or touch itself. The obvious anagram is the trap: find the less obvious word whose path stays clear.

There is no timer, score, lives, or terminal failure. A refused line stays on the board so you can correct it and keep thinking. Solve a puzzle to reveal its definition, or give up to see the answer without earning progression.

Features:

• 320 solver-verified puzzles across 12 language packs
• Circle, triangle, square, and rectangular boards
• Immediate crossing and blocked-stroke feedback
• Optional path-position hints that never reveal a letter
• A separate Word Hunt mode on every ring
• Persistent progress with no account or login required

Every shipped puzzle is checked by the same exact geometry engine used by the game.
Find the word whose thread never crosses itself.
Updated on
Aug 21, 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.
  • This app may share these data types with third parties
    Location, App activity and 2 others
  • 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

Maintenance update: Google Play Billing Library 9.1.0 and the latest stability improvements.
Content rating
Everyone
In-Game Purchases
Learn more

App support

About the developer
Dennis Haupt
brainliftgames@gmail.com
Ellinger Str. 6 91781 Weißenburg i.Bay. Germany
+49 176 80130332

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