Marrowmoor Police · 6 open files
Open the file.
Name the killer.
Documents, crime-scene photos, forensics, CCTV logs and intercepted audio, laid out like a real investigation. Cross-reference, catch the lie, and make one accusation that decides everything.
Alone, or with up to five friends round one screen. No sign-up.
Daily mini-mystery
Today's case
One five-minute case a day. Same case for everyone.
- Streak
- 0
- Solved
- 0/0
- Best
- 0
About 5 minutes. A new case at midnight.
Case files
Full investigations: three objectives, sealed evidence, one accusation. Free while we build the archive.
Start here · Free forever
The Clockmaker's Last Hour
A master clockmaker is dead in his workshop. Every clock in the room saw it happen.
The line-up
- Level
- Starter
- Length
- ~25 min
- Exhibits
- 15
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This month's free case
The Last Course
Marrowmoor's most feared food critic raises a toast to honesty. Twenty minutes later he is dead.
The line-up
- Level
- Medium
- Length
- ~40 min
- Exhibits
- 16
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Case file
Dead Reckoning
The sailing club commodore is found drowned in his dinghy at the harbour mouth. The water in his lungs came from somewhere else.
The line-up
- Level
- Hard
- Length
- ~45 min
- Exhibits
- 14
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Case file
Evensong
The Minster's organist falls from the organ loft during the choir's tea break. The organ remembers who sat at it last.
The line-up
- Level
- Hard
- Length
- ~40 min
- Exhibits
- 13
Open the file
Case file
Hollow Hills
Two weeks after a famous hoard is found on Marrowmoor Fell, the dig director is killed in her own trench.
The line-up
- Level
- Medium
- Length
- ~40 min
- Exhibits
- 13
Open the file
Case file
The Late Edition
The editor of the Marrowmoor Courier is found in the print hall. Twenty minutes after he died, he approved a new front page.
The line-up
- Level
- Medium
- Length
- ~35 min
- Exhibits
- 12
Open the file
How a case runs
01
Read the brief
Who died, where, when and how. Under a minute.
02
Work the file
Statements, photos, forensics, CCTV, tapes. Flag the lie.
03
Clear objectives
Each one breaks a seal on the next layer of evidence.
04
Accuse once
Name the killer, cite your proof. No second chances.
One shot
Ways to play
Every case is fair: the truth is always in the file. No trivia, no outside knowledge.
Solo
A quiet, atmospheric puzzle. A detective novel you control, saved on this device as you go.
Group night
Cast the file to the TV. Read statements aloud, argue over the evidence, vote on one accusation.
Challenge a friend
Send a spoiler-free result card and a link to the case. Never the answer.




























