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We know you are bored at home right now—we are too. Here are some puzzles and brainteasers to challenge your family and friends with, either in person or over video chat.

The cool thing about this enigma is that only two possible answers can fill each blank: zero and one—and each grid has a sole solution. But only two consecutive zeros or ones can sit next to or below each other, and each row and column must have the same number of zeros and ones. No row or column can be the same. Can you crack it?

To view a large version of the puzzles: Click Here

To view the answers to the puzzles: Click Here


This story appeared in the Fall 2018 issue of Popular Science.

Claire Maldarelli
Claire Maldarelli

was the Science Editor at Popular Science. She has a particular interest in brain science, the microbiome, and human physiology. In addition to Popular Science, her work has appeared in The New York Times, Scientific American, and Scholastic’s Science World and Super Science magazines, among others. She has a bachelor’s degree in neurobiology from the University of California, Davis and a master’s in science journalism from New York University's Science, Health, and Environmental Reporting Program. Contact the author here.