Binary Puzzle 12x12 Advanced Edition book cover
Binary Puzzle 12×12
Advanced Edition
Hard · Very Hard
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Very Hard 12x12 Binary Puzzle

Up for more 12×12 puzzles? This book offers 340 new challenges like this to solve offline.

A demanding logical test

The very hard 12×12 binary puzzle pushes your logical skills further. Small mistakes can block progress, making precision and patience essential.

This level is best suited for advanced solvers looking for a serious challenge. Play online for free or print the puzzle to solve it over time.

Looking for the toughest level? Try the extreme 12×12 binary puzzle.