The most popular graphic puzzle game of the year! Take a close look at the known lattice patterns, figure out which one is missing, and put your brain to work!
Updated on
7 Oct 2025
Puzzle
Data safety
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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