Binary on PlayRove

Fill the four-by-four grid with zeros and ones. Every row and column needs two of each, with no three identical digits consecutively. All rows must differ and all columns must differ. Given digits stay fixed; tap an empty square to cycle through zero, one and clear.

Balance each line

A valid four-cell row has two zeros and two ones, such as 0-1-0-1. A run like 0-0-0 is forbidden, and no two complete rows may match.

Play the daily puzzle or explore practice. Watch the in-game tutorial for a demonstration. Playing is free and does not require an account.