Brain Teasers and Puzzles

Brain teasers, puzzles, and riddles carefully curated to challenge and amuse you.

Every brain teaser includes a solution/explanation – just go to the puzzle’s page and then click to expand the “Solution” box.

Math and Logic

algebra
basic math and numbers
geometry
logic puzzles
number theory
probability

Language and Visual

cryptography and codes
matchstick puzzles
rebus
words and letters

Other

chess
game theory and strategy
interview brain teasers
patterns, sequences, and sets
physics and science
riddles and lateral thinking

By Difficulty

Very easy
Easy
Medium
hard
very hard