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MIT Mystery Hunt

Decades of archived puzzle hunts from the hardest annual competition of its kind, all of it still playable.

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

MIT Mystery Hunt sits in Mysteries & Riddles under Learn, filed as rabbit hole.

  • Open it when the evening is free. It has no natural stopping point.
  • Use a laptop or desktop computer — we file it as desktop only.
  • 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, competitive and chaotic.

About this category: Logic mysteries, cipher tools, unsolved cases and ARG-shaped sites that never quite explain themselves. Deduction as entertainment.

Good for

  • A long evening with nothing planned
  • Giving your brain a workout
  • Chasing a better score
  • Pure, noisy chaos
  • A quiet break at your desk
  • Trying it with zero commitment

MIT Mystery Hunt: quick answers

Is MIT Mystery Hunt free?

Yes. MIT Mystery Hunt is free to use and needs no account.

Do I need an account to use MIT Mystery Hunt?

No. You can use MIT Mystery Hunt without signing up for anything.

Does MIT Mystery Hunt work on a phone?

Not well. We file MIT Mystery Hunt as desktop only, so open it on a laptop or desktop computer.

Is MIT Mystery Hunt safe for work?

Yes, we file it as safe for work. It also works muted.

How long does MIT Mystery Hunt take?

We file it as "Rabbit hole": Clear your evening. We warned you.

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