Play a free Binairo puzzle in your browser. Fill the grid with 0s and 1s — balance every row and column, never line up three equal digits, and keep every line unique. New boards anytime — no sign-up, no download.
Tap a cell for 0, again for 1. Right-click or long-press cycles the other way.
Every board is generated right in the page: a complete valid grid is built first, then clues are removed in symmetric pairs, with each removal checked so the finished board still has exactly one solution. Start with 6×6 to learn the deductions, then step up to 8×8 and 10×10.
Binairo is a binary logic puzzle — also called a 0-1 grid or binary puzzle — that you play free in a browser. Fill the grid with 0s and 1s under three simple rules until the board is complete.
Tap a cell to cycle it from empty to 0, then 1, then back to empty. Right-click or long-press cycles in the reverse order. The page marks rule-breaking cells in red, so mistakes surface immediately.
No three equal digits in a line (no 000 or 111 horizontally or vertically), every row and column holds exactly half 0s and half 1s, and no two rows or two columns are identical.
Yes. Boards are carved from a fully solved grid, and each clue removal is verified with a solver, so every board you get has exactly one solution. You never need to guess.
Yes. Everything is tap-based and the board scales to your screen. Long-press a cell to cycle backward through 1, 0, and empty.
No. The page is static. Your grid-size preference and a local solved count stay in this browser only.