How to play
- Fill each empty square with one of two colors.
- Never place more than two of the same color next to each other.
- Every row and column must be balanced and cannot duplicate another row or column.
Original Puzzle
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Yes. The game is free to play in your browser and does not require an account.
The page is designed for desktop and mobile play. Some grid-heavy puzzles are easier on larger screens.
Searchers use several names for this puzzle type. Binary Puzzle, Takuzu, Binairo, and 0h h1 all describe a two-state logic grid where balance and uniqueness matter more than speed.
Binary puzzle searches are smaller than Sudoku, but the intent is cleaner and the competition is easier. This makes the page a strong fit for a focused logic puzzle site.

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