The goal
Fill the grid with zeros and ones. Each row and column contains three of each. Three equal digits cannot be consecutive, and complete rows or columns cannot repeat.
Logic · 3–10 MIN
How to play ↓Binary puzzle.
Zeros and ones. Everything finds its balance.
Getting your game ready…
How to play: Binary puzzle
The controls
Tap a cell to cycle through blank, zero and one. Original clues are locked. Each puzzle is checked for exactly one solution.
A little strategy
Two identical adjacent digits force different neighbors. If a row already has three zeros, all its remaining cells must be ones.
Can I save my game?
Yes. Progress is stored in this browser and device, without cross-device synchronization.
Where is my progress saved?
In this browser’s local storage. It is not sent to a server or synced between devices. Clearing browser data or using private browsing may remove it.
A GUIDE TO KEEP GOING
Read the guide ↗Binary puzzles: four rules for finding balance
A grid of zeros and ones is solved through balance, limits and differences. No arithmetic operations are needed.