Binary balance

How it works

1. Fill the 4 × 4 grid: each row and column needs two zeros and two ones, with no three equal neighbors and no duplicate rows or columns.
2. Tap the buttons or reach them with Tab and activate with Enter/Space. New game resets the round.

Example & practical use

Fill the 4 × 4 grid: each row and column needs two zeros and two ones, with no three equal neighbors and no duplicate rows or columns.

Limits and help

Runs on this device. No online multiplayer, prizes or money. Puzzles and memory games are not medical or ability assessments.

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Troubleshooting

Try the small example on this page first. If it works, check your input format and size limit. Save any needed input before reloading. You do not need to share a file or password to report an issue.

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