Emily Sharp and Kunal Nabar collaborate on a puzzle that’s greater than the sum of its parts.

Flex your math muscles with this weekend’s brain teaser. Play now.

Puzzle #590, released on January 21, presented a particularly difficult test, requiring players to uncover connections ...

A challenging maths puzzle requires you to uncover the logic behind unconventional equations. Only a few have succeeded.

Brain teasers improve cognitive skills by challenging pattern recognition. A puzzle asks you to find the missing letter among ...

Peg and Cat assemble pieces of a map. Peg and Cat must help the pirates put together a puzzle, and then the four sections of their sinking ship. / When the pirates' treasure map is torn and ...

What’s a 11-letter concept shared by crossword puzzles and avalanches, and starts with the letter “P?” According to one ...

Individuals who can successfully solve this puzzle within the time limit often possess exceptional cognitive abilities. They ...

The primary objective is to combine various fragments within the operation area to replicate a specific pattern.

“When a statistical physicist looks at a partially solved crossword puzzle, she or he sees immediately a percolation problem: Is there a spanning path consisting of fully solved words?