Updated Nov 4, 2025 · v50.50
Fill the grid with logic.
Get ready for the Duet challenge and fill the grid with logic. How to play: - Every row and column must contain an equal number of each symbol. - Rows and columns must all be unique. No math. No guessing. Just pure, clever logic. Duet has various levels from easy breezes to head-scratchers that challenge your logic and keep you engaged. Buckle up to test your logical thinking with Duet!
1 year on Google Play
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