Play 14x14 Binary Puzzle Games

The largest board, tuned for patient solvers and comfortable mobile zoom-free play. Choose any difficulty from the game controls.

196cells, one verified solution

Practice puzzle14x14 Medium

0:0057% filled

Tap a cell to cycle it, or use arrow keys with 0, 1, Backspace, and Delete.

Balance every lineEach row and column uses the same number of 0s and 1s.

Never make threeThree matching values cannot touch in a horizontal or vertical run.

Keep lines uniqueNo completed row or column can repeat another line.

What changes on a 14x14 grid?

Each row and column needs 7 zeros and 7 ones. The rules stay identical, while the number of interacting line patterns grows.

ScanResolve visible pairs before counting the line.

BalanceStop adding a value when its half-line quota is reached.

CompareUse completed lines to remove duplicate candidates.