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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
  • TazY2 TazY2 set a new record of 83 seconds on puzzle #8362
    October 11, 2026, 1:59 am
  • hanishoney hanishoney set a new record of 376 seconds on puzzle #3836
    October 11, 2026, 1:59 am
  • destinysWalrus destinysWalrus set a new record of 222 seconds on puzzle #3553
    October 11, 2026, 1:57 am
  • TazY2 TazY2 set a new record of 63 seconds on puzzle #10274
    October 11, 2026, 1:56 am
  • TazY2 TazY2 set a new record of 90 seconds on puzzle #10126
    October 11, 2026, 1:54 am
  • TazY2 TazY2 set a new record of 273 seconds on puzzle #10431
    October 11, 2026, 1:53 am
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