Brain Teasers, Riddles, Trivia, Brain Exercises, Games, Forums and more...

With over 20,000 brain teasers, riddles, logic problems, quizzes and mind puzzles submitted and ranked by users like you, Braingle has the largest collection anywhere on the internet. Our large array of unique online multiplayer games will keep you entertained for hours, and if you want to improve your brain, check out the Mentalrobics section. Increase your creativity, boost learning and become a better person at Braingle. Get ready to have your brain tangled!

Brain teasers, riddles and puzzles Puzzles

Brain Teasers, Riddles, puzzles, logic problems and other enigmas to entangle the mind.

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Previously

Daily Brain Teaser

Language

Slewov

What is the longest common word that uses all five vowels only once, and in reverse alphabetical order?

Hint
Answer
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Previously

Daily Trivia Quiz

Back to the Future II

Take this quiz. It may help you feel like you are going into time.


Sample Questions

1. What was the future date that Doc and Marty traveled to?

2. Biff said, "Well, you're safe and sound now. Back on the good old 27th floor".

3. In the alternate 1985, who did Lorraine marry?

4. Biff Tannen steals the time machine and gives something to his younger self. What is it?

5. Michael J. Fox played three characters.


Take the Quiz...
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Welcome to Braingle

Braingle has tons of brain teasers, puzzles, quizzes and free online games. We also have a large vibrant community of smart people who contribute to the site in many ways. Some of the coolest features are only available to registered users. It's free to sign up, so why not give it a try?

As a Braingle user you can submit riddles, rate puzzles, make quizzes, keep track of brain teasers and play some of our exclusive games. Best of all, you'll be part of a really great community of brain teaser enthusiasts!

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