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Can You Find the Killer?

A murder has been committed inside a stately mansion, and your job is to determine, based on the clues and blueprint provided, where exactly each suspect was located at the time of the murder. In each case, there must be one, and only one, suspect placed in every row and column of the blueprint, and there can never be more than one suspect in a room. The murder room (where the body was discovered) will always have one suspect in it, and that will be your killer. Read the clues, analyze the geometry of the house, and place every suspect in their correct position in order to close the case.

We have 14,911 unique cases across six difficulty levels, every one solvable by pure deduction (guessing and trial-and-error are never required). Play just for fun, or register a free account and compete against other detectives in our monthly competition and the all-time Hall of Fame.

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You'll never have to register an account to play on this site, but there are several reasons you may want to play as a registered user:

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Competition Timer
  • darimoma darimoma set a new record of 1056 seconds on puzzle #6579
    November 4, 2026, 5:56 pm
  • addisondog addisondog set a new record of 69 seconds on puzzle #8104
    November 4, 2026, 5:51 pm
  • smerwin smerwin set a new record of 489 seconds on puzzle #15170
    November 4, 2026, 5:50 pm
  • turno77 turno77 set a new record of 185 seconds on puzzle #14695
    November 4, 2026, 5:44 pm
  • DelCoocnat DelCoocnat set a new record of 295 seconds on puzzle #4733
    November 4, 2026, 5:44 pm
  • thinkrookie thinkrookie set a new record of 508 seconds on puzzle #7500
    November 4, 2026, 5:43 pm
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