Braingle
Tens of thousands of riddles, brain teasers and lateral thinking problems submitted by users since 1999.
Opens in a new tab. We do not control this site and it may have changed since we catalogued it.
How to get the most from it
Braingle sits in Mysteries & Riddles under Learn, filed as a minute.
- Give it one round. There is nothing to finish and nothing lost by leaving.
- It works on a phone or a desktop, so open it on whatever is nearest.
- It works with the sound off, so it is fine on a train or in a quiet office.
- No account needed — you can start without signing up.
- Go in expecting something brainy and nostalgic.
About this category: Logic mysteries, cipher tools, unsolved cases and ARG-shaped sites that never quite explain themselves. Deduction as entertainment.
Good for
- A one-round break between tasks
- Giving your brain a workout
- A trip back to the older internet
- A quiet break at your desk
- Killing time on your phone
- Trying it with zero commitment
Braingle: quick answers
Is Braingle free?
Yes. Braingle is free to use and needs no account.
Do I need an account to use Braingle?
No. You can use Braingle without signing up for anything.
Does Braingle work on a phone?
Yes. Braingle works on phones as well as desktop browsers.
Is Braingle safe for work?
Yes, we file it as safe for work. It also works muted.
How long does Braingle take?
We file it as "A minute": One quick round, then you can leave.
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