THE FILE
How a case goes
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01 · THE EVENING
You see the party first
Every case opens on the evening before the murder: a Sunday roast, a wake, a poker night. People talk. Some of what they say is a clue.
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02 · THE BLACKOUT
Then the lights go out
A fuse blows, the flat goes black, and a card says it plainly: a murder has happened. When the lights come back, the guests wait by the door.
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03 · ONE LIAR
Innocent people tell the truth
Hear each story and put each guest where they say they were. The killer lies about one thing: where they were. Find the story that breaks.
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04 · EVIDENCE
Evidence never lies
Blue paint on shoes. Cigar ash on trousers. A webcam that kept recording, a half-done crossword, a group chat typed in the dark.
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05 · THE VERDICT
Name the killer and the weapon
Get it right and they are booked. Get it wrong and an innocent life falls apart. Two wrong guesses and you are off the case.
WHY IT IS DIFFERENT
Forty evenings, each with exactly one answer
Every case is checked by a solver before it ships: it tries every guest, every weapon and every room, and only one story survives. No guessing, no hidden information. If you were watching, you can solve it.
- 40cases, from a Sunday roast to a charity gala in a tower
- 1liar per case. Everyone else tells the truth
- 14kinds of trace, from wet paint to glitter in the hair
- 10famous settings, among them Baker Street in 1895, Poe's Paris and a Jazz Age summer on West Egg
FROM THE APP
A dollhouse at night





THE CASE FILES
Cases 1 to 10 are open here
They load straight from the same case files the app uses. Your solved cases are remembered on this device.
Opening the case files…