Free Binary Puzzle Online
Play free Binary Puzzle (Takuzu) online — fill the grid with 0s and 1s, no three in a row, balanced rows and columns, no duplicate rows or columns.
Easy
Medium
Hard
Ultra Hard
⏱ 0:00
Tap a cell to cycle 0 → 1 → blank. No 3 in a row, equal 0s and 1s per row/column, no duplicate rows or columns.
More Games tools
🎮
Free Logic Games Online
Chess, 2048, Reversi, Connect Four and 5 logic puzzles — free, no sign-up.
♟️
Free Chess Online — play vs computer, 4 difficulty levels
Full chess rules, castling, en passant, promotion — vs computer or 2-player.
🔢
Free 2048 Online
Slide and merge tiles to reach 2048 — 3×3 to 6×6 grids.