⚫ Binary (Takuzu)

Binary, also known as Takuzu or Binairo, is a pure logic grid puzzle. Fill every cell with 0 or 1 under three simple rules.

How to play

1. Each row and column has equal numbers of 0s and 1s.
2. Never more than two of the same digit in a row, in any direction.
3. No two rows — and no two columns — may be identical.

Difficulty affects grid size and time is your score — finish fast, post to the daily leaderboard, or race a friend.

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