From trendy to artsy to fun, here are the best puzzles for every level. Whether you want a challenging puzzle or a jigsaw for beginners, we've got you covered.

Whether it’s solving riddles or spotting hidden patterns that defy traditional maths, brain teasers are a fun and engaging way to keep your mind sharp and active. (Also read: Maths puzzle: Only a true ...

In this paper, we address the large-scale object detection problem with thousands of categories, which poses severe challenges due to long-tail data distributions, heavy occlusions, and class ...

Test your problem-solving skills with the classic light switch logic puzzle! Can you figure out which switch controls each ...

If you love logic and visuals, this challenge is for you.🧠 🤓We’ve gathered 22 visual riddles to challenge your brain and ...

University of Washington researchers developed the game AI Puzzlers to show kids an area where AI systems still typically and ...

Scientists made a fun puzzle game where kids solve puzzles and then watch AI try to solve the same ones, often getting them ...

While the current generation of artificial intelligence chatbots still flub basic facts, the systems answer with such ...

Can a monkey, a pigeon or a fish reason like a person? It's a question scientists have been testing in increasingly creative ...

Evan Birnholz is the Sunday crossword writer for The Washington Post Magazine. He lives in Philadelphia and keeps an archive of his pre-Post puzzles on his website, Devil Cross.