{"id":4246,"date":"2026-09-24T15:50:10","date_gmt":"2026-09-24T13:50:10","guid":{"rendered":"https:\/\/retroplaynow.eu\/arcade\/takuzu\/"},"modified":"2026-09-24T15:50:12","modified_gmt":"2026-09-24T13:50:12","slug":"takuzu","status":"publish","type":"rpp_game","link":"https:\/\/retroplaynow.eu\/it\/arcade\/takuzu\/","title":{"rendered":"Takuzu"},"content":{"rendered":"

Takuzu, also known as Binairo, is proof that the deepest logic puzzles need only two symbols. You are given a grid where each cell must be filled with either a 0 or a 1. Three simple rules govern the solution, and from those rules emerges extraordinary depth.<\/p>\n

Rule one: no more than two identical numbers may be adjacent. You can never have three 0s or three 1s in a row horizontally or vertically. Rule two: each row and column must contain an equal number of 0s and 1s. Rule three: no two rows and no two columns may be identical.<\/p>\n

That is it. No arithmetic, no colors, no words. And yet Takuzu puzzles range from gentle warm-ups on 4×4 grids to brain-bending challenges on 12×12 and beyond. The constraints interact in beautiful ways: knowing that a row already has its full count of 1s forces every remaining cell to 0. Recognizing that placing a 1 would create three in a row forces a 0.<\/p>\n

Our RetroPlayNow version generates puzzles at multiple sizes, offers a toggle between 0 and 1 with a tap, highlights rule violations in red in real time, and tracks your solving speed for the leaderboard. Every completed grid earns Retro Coins.<\/p>\n

How to play Takuzu<\/h2>\n
    \n
  1. Fill with 0s and 1s.<\/strong> Tap empty cells to cycle between 0 and 1. Your goal is to fill every cell in the grid.<\/li>\n
  2. No three in a row.<\/strong> Never place three identical numbers adjacent horizontally or vertically. Two is fine, three is forbidden.<\/li>\n
  3. Equal counts per line.<\/strong> Each row and each column must contain exactly the same number of 0s and 1s.<\/li>\n
  4. No duplicate lines.<\/strong> Every row must be different from every other row. Every column must be different from every other column.<\/li>\n
  5. Earn Retro Coins.<\/strong> Complete puzzles to score points based on size and speed. Faster solutions earn more Retro Coins.<\/li>\n<\/ol>\n

    Frequently asked questions<\/h2>\n

    More games to play<\/h2>\n