Play 12x12 Binary Puzzle Games

A substantial grid for experienced players who enjoy deeper pattern tracking. Choose any difficulty from the game controls.

Practice puzzle12x12 Medium

0:0057% filled

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

Binary Puzzle · Paper edition

12×12 Medium puzzle

Fill every empty square with either 0 or 1.

Practice puzzleOne unique solution

NameDateTime

1010011001010101110100101010010101010101101101101001000110011110000010001110010101

Three rules

Keep it balancedEvery row and column contains 6 zeros and 6 ones.
Avoid triplesNo more than two identical numbers can be next to each other.
Make every line uniqueNo two rows and no two columns can be exactly alike.

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.

Read all rules

What changes on a 12x12 grid?

Each row and column needs 6 zeros and 6 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.

Play 12x12 Binary Puzzle Games

A substantial grid for experienced players who enjoy deeper pattern tracking. Choose any difficulty from the game controls.

Practice puzzle12x12 Medium

0:0057% filled

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

Binary Puzzle · Paper edition

12×12 Medium puzzle

Fill every empty square with either 0 or 1.

Practice puzzleOne unique solution

NameDateTime

1010011001010101110100101010010101010101101101101001000110011110000010001110010101

Three rules

Keep it balancedEvery row and column contains 6 zeros and 6 ones.
Avoid triplesNo more than two identical numbers can be next to each other.
Make every line uniqueNo two rows and no two columns can be exactly alike.

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.

Read all rules

What changes on a 12x12 grid?

Each row and column needs 6 zeros and 6 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.

Play 12x12 Binary Puzzle Games

What changes on a 12x12 grid?

Keep the next challenge close

Play 12x12 Binary Puzzle Games

What changes on a 12x12 grid?

Keep the next challenge close