Deduction

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Play Einstein Deduction — ThePuzzleLabs

Try this Einstein Deduction puzzle on ThePuzzleLabs.

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The Case

A priceless sculpture at the Metropolitan Gallery was swapped for a painted foam replica sometime overnight. The swap required professional art skill and gallery access. Six people are under investigation: Helena (art restorer), Dmitri (exhibition painter), Yara (curator), Owen (night security), Mei (ticket manager), and Carlo (janitor). Case file EINSTEIN-001.

Who swapped the sculpture?

Evidence (10)

#1The foam replica was skillfully painted. Creating it would require professional art training and access to high-quality spray paint.
#2Only Helena and Dmitri have professional art training among the six suspects.
#3Security cameras had a scheduled maintenance gap from 1 AM to 3 AM.
#4Helena's badge log shows she exited at 11:04 PM. But the parking camera shows her car still in the lot at 1:30 AM.
#5Dmitri was on the overnight exhibition setup shift (midnight to 6 AM) with gallery keys.
#6The spray paint used on the replica is a restoration-grade brand stocked only in the restoration lab. Dmitri does not have restoration lab access.
#7The parking garage has an unsecured pedestrian door that doesn't require a badge to enter.
#8Owen (security) was on patrol rounds with GPS tracking. His route doesn't go near the sculpture gallery between 1-3 AM.
#9Yara was at a conference in another city. Hotel check-in records confirm.
#10Mei's shift ends at 6 PM. Carlo's cleaning shift ends at midnight. Neither returned.

Suspects

Clues

Reveal the Solution?

This will show the answer and full deduction chain. The puzzle will be marked as "solved with reveal."

About Einstein deduction cases

Minimal clues. Maximum suspects. These are the hardest cases we build. Every piece of evidence carries multiple implications, and skipping even one inference will leave you stuck.

The name is borrowed from Einstein's famous logic riddle — the one that supposedly only 2% of people can solve. Our Einstein cases share the same philosophy: you get less information than feels comfortable, and the puzzle demands that you wring every last drop of meaning from each clue.

Einstein cases are difficult enough in standard play. If you want extra pressure, switch to Challenge mode and solve without hints to test how well your deduction chain holds from start to finish.

A clean solve here without hints is worth bragging about. Check the strategy guide for technique refreshers.