Braingle
A long-standing community archive of thousands of riddles, brain teasers, optical illusions, and codes, each rated by difficulty with hints and full explanations.
No account needed · sign in to keep your taste everywhere
More like this
Pages that share Braingle's themes. Or browse all of Gaming.
Lateral Thinking and Logic Puzzles
A hand-picked collection of lateral thinking riddles and logic puzzles sorted by difficulty, from Tasmanian camels on a…
Quant Riddles With Answers
A big collection of logic, probability and lateral-thinking brain teasers with worked answers, originally gathered for j…
Mensa for Kids
A free nonprofit resource of logic puzzles, brain teasers, and lesson activities originally built for gifted-education c…
BrainBashers
A long-running hub of daily logic puzzles, riddles, optical illusions, and brain teasers of all kinds, updated regularly…
Brainturk
A free library of brain training exercises, riddles, and teasers designed by researchers around principles of neuroplast…
MIT Mystery Hunt 2022: The Investigation
A round of fiendish puzzles from the 2022 MIT Mystery Hunt, each themed on a classic children's book, publicly archived…
Stumble onto more like this
One click takes you to a page you didn't know you were looking for. Rate it and the next one lands closer to your taste.
Add to Browser — it's freeWorks in Chrome, Edge and Brave. No account needed.