8x8 Binary Puzzles
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You have solved every puzzle at this level.
Tap a cell to cycle through 0, 1 and empty. With a keyboard, use the arrow keys, 0 and 1.
About 8x8 Binary Puzzles
Here are 300 puzzles at 8x8 to play or print. In a 8x8 grid every row and every column holds 4 ones and 4 zeros.
- Easy · 100 puzzles · hardest step: Half and half
- Medium · 100 puzzles · hardest step: Only one way
- Hard · 100 puzzles · hardest step: No twin lines
How to play
Write a 1 or a 0 in every cell. No three identical digits may sit side by side, each row and each column holds as many ones as zeros, and no two rows and no two columns are alike.
Solving techniques, step by step
Grid sizes
- 6x6 Binary Puzzles 240 puzzles
- 8x8 Binary Puzzles 300 puzzles
- 10x10 Binary Puzzles 300 puzzles
- 12x12 Binary Puzzles 300 puzzles