John Horner What’s he hiding?
Enigmee Question the suspects. Catch the lie. Prove it.
Question the suspects. Catch the lie. Prove it.
A free detective case in your browser. The suspects answer out loud, and they lie. Then you take them to court.
Examine the evidence Every object turns in your hands. Nothing is lit up for you: tilt it until the lamp catches something.
The letter reads: Thursday night. Dear Sir, I dare not call on you by daylight. What I saw on Tuesday was no accident, and one other man in London knows it. Come alone, and tell no one. Burn this when you have read it. H.B.
Interrogate your suspects Ask them anything. Show them what you've found. Every suspect is played by AI, knows their story, and may lie to your face.
Interview transcript
John HornerAI character
Plumber, 26, committed for trial
John sits across the table, waiting. Open with a question.Ask them anything. Show them what you've found. Every suspect is played by AI, knows their story, and may lie to your face.
DET: [Lays it on the table: a letter signed H.B.] Is this your hand, John?
JOHN: Never seen it in my life, sir.
JOHN: …He swore to me he'd burnt it.
Lying?
Fight their lawyer in court Charge your suspect, and their counsel stands up for them. Answer every point with the evidence you’ve found. Waste the bench’s time and its patience runs out.
Mr Aubrey Fane Mr Aubrey Fane · for the defence
“A hat, your worship! Half the men in London wear one exactly like it.”
Disproved Put to the court
The hat, initialled H.B. in the lining
FANE: I have nothing further, your worship. Nothing at all.
Pick a case 9 mysteries and counting, by 8 writers: classics retold, and new ones you won’t have read.
No. 01 Start here Difficulty: 2 of 5, Gentle. Gentle
A Goose for Christmas adapted by Enigmeeafter Arthur Conan Doyle
London, 1889 · 30–45 min · 3 suspects
Someone stole the Countess's blue carbuncle. On Christmas morning it fell out of a goose.
Play now → : A Goose for Christmas No. 02 New Difficulty: 5 of 5, Diabolical. Diabolical
The Hound of the Baskervilles adapted by Rowan Fairleyafter Arthur Conan Doyle
Dartmoor, 1889 · 60–90 min · 5 suspects
Sir Charles died at the gate to the moor, his face twisted with terror. Beside him, the footprints of a gigantic hound.
Play now → : The Hound of the Baskervilles No. 03 Members only Difficulty: 3 of 5, Fair. Fair
The Night Mail by Theo Okafor
The London train, 1936 · 45–60 min · 4 suspects
The sorting clerk was found at Crewe with the registered sacks slit open. Four men worked that carriage. None of them saw a thing.
Sign up to play: The Night Mail No. 04 Readers' pick Difficulty: 4 of 5, Tricky. Tricky
The Dancing Men adapted by Priya Nairafter Arthur Conan Doyle
Norfolk, 1898 · 45–60 min · 3 suspects
Someone keeps chalking little dancing figures on the sundial. Each time they appear, Mrs Cubitt goes white.
Play now → : The Dancing Men No. 05 Difficulty: 2 of 5, Gentle. Gentle
Death at the Winter Garden by Margot Lindqvist
Brighton, 1924 · 30–45 min · 6 suspects
The band stopped mid-waltz. By the time the lights came up, the singer was dead and her pearls were in the punch bowl.
Play now → : Death at the Winter Garden No. 06 Members only Difficulty: 5 of 5, Diabolical. Diabolical
The Speckled Band adapted by Tom Hadleyafter Arthur Conan Doyle
Surrey, 1883 · 45–60 min · 3 suspects
Her sister died whispering of a speckled band. Now Helen hears the same low whistle in the night.
Sign up to play: The Speckled Band No. 07 New Difficulty: 3 of 5, Fair. Fair
The Keeper's Log by Hollis Reed
Cornwall, 1911 · 30–45 min · 3 suspects
The light went out at midnight. At dawn the keeper was gone, and one page had been torn from his log.
Play now → : The Keeper's Log No. 08 Difficulty: 1 of 5, Elementary. Elementary
The Red-Headed League adapted by Enigmeeafter Arthur Conan Doyle
London, 1890 · 30–45 min · 4 suspects
A pawnbroker is paid four pounds a week to copy out the encyclopaedia. Then, one morning, the League is gone.
Play now → : The Red-Headed League No. 09 Members only Difficulty: 4 of 5, Tricky. Tricky
The Empty Cabinet by Clara Benn
Edinburgh, 1902 · 45–60 min · 7 suspects
Seven sitters held hands round the table. When the candles were lit again, the medium had gone from a locked room.
Sign up to play: The Empty Cabinet No. 01 Start here Difficulty: 2 of 5, Gentle. Gentle
A Goose for Christmas adapted by Enigmeeafter Arthur Conan Doyle
London, 1889 · 30–45 min · 3 suspects
Someone stole the Countess's blue carbuncle. On Christmas morning it fell out of a goose.
Play now → : A Goose for Christmas No. 02 New Difficulty: 5 of 5, Diabolical. Diabolical
The Hound of the Baskervilles adapted by Rowan Fairleyafter Arthur Conan Doyle
Dartmoor, 1889 · 60–90 min · 5 suspects
Sir Charles died at the gate to the moor, his face twisted with terror. Beside him, the footprints of a gigantic hound.
Play now → : The Hound of the Baskervilles No. 03 Members only Difficulty: 3 of 5, Fair. Fair
The Night Mail by Theo Okafor
The London train, 1936 · 45–60 min · 4 suspects
The sorting clerk was found at Crewe with the registered sacks slit open. Four men worked that carriage. None of them saw a thing.
Sign up to play: The Night Mail No. 04 Readers' pick Difficulty: 4 of 5, Tricky. Tricky
The Dancing Men adapted by Priya Nairafter Arthur Conan Doyle
Norfolk, 1898 · 45–60 min · 3 suspects
Someone keeps chalking little dancing figures on the sundial. Each time they appear, Mrs Cubitt goes white.
Play now → : The Dancing Men No. 05 Difficulty: 2 of 5, Gentle. Gentle
Death at the Winter Garden by Margot Lindqvist
Brighton, 1924 · 30–45 min · 6 suspects
The band stopped mid-waltz. By the time the lights came up, the singer was dead and her pearls were in the punch bowl.
Play now → : Death at the Winter Garden No. 06 Members only Difficulty: 5 of 5, Diabolical. Diabolical
The Speckled Band adapted by Tom Hadleyafter Arthur Conan Doyle
Surrey, 1883 · 45–60 min · 3 suspects
Her sister died whispering of a speckled band. Now Helen hears the same low whistle in the night.
Sign up to play: The Speckled Band No. 07 New Difficulty: 3 of 5, Fair. Fair
The Keeper's Log by Hollis Reed
Cornwall, 1911 · 30–45 min · 3 suspects
The light went out at midnight. At dawn the keeper was gone, and one page had been torn from his log.
Play now → : The Keeper's Log No. 08 Difficulty: 1 of 5, Elementary. Elementary
The Red-Headed League adapted by Enigmeeafter Arthur Conan Doyle
London, 1890 · 30–45 min · 4 suspects
A pawnbroker is paid four pounds a week to copy out the encyclopaedia. Then, one morning, the League is gone.
Play now → : The Red-Headed League No. 09 Members only Difficulty: 4 of 5, Tricky. Tricky
The Empty Cabinet by Clara Benn
Edinburgh, 1902 · 45–60 min · 7 suspects
Seven sitters held hands round the table. When the candles were lit again, the medium had gone from a locked room.
Sign up to play: The Empty Cabinet No. 01 Start here Difficulty: 2 of 5, Gentle. Gentle
A Goose for Christmas adapted by Enigmeeafter Arthur Conan Doyle
London, 1889 · 30–45 min · 3 suspects
Someone stole the Countess's blue carbuncle. On Christmas morning it fell out of a goose.
Play now → : A Goose for Christmas No. 02 New Difficulty: 5 of 5, Diabolical. Diabolical
The Hound of the Baskervilles adapted by Rowan Fairleyafter Arthur Conan Doyle
Dartmoor, 1889 · 60–90 min · 5 suspects
Sir Charles died at the gate to the moor, his face twisted with terror. Beside him, the footprints of a gigantic hound.
Play now → : The Hound of the Baskervilles No. 03 Members only Difficulty: 3 of 5, Fair. Fair
The Night Mail by Theo Okafor
The London train, 1936 · 45–60 min · 4 suspects
The sorting clerk was found at Crewe with the registered sacks slit open. Four men worked that carriage. None of them saw a thing.
Sign up to play: The Night Mail No. 04 Readers' pick Difficulty: 4 of 5, Tricky. Tricky
The Dancing Men adapted by Priya Nairafter Arthur Conan Doyle
Norfolk, 1898 · 45–60 min · 3 suspects
Someone keeps chalking little dancing figures on the sundial. Each time they appear, Mrs Cubitt goes white.
Play now → : The Dancing Men No. 05 Difficulty: 2 of 5, Gentle. Gentle
Death at the Winter Garden by Margot Lindqvist
Brighton, 1924 · 30–45 min · 6 suspects
The band stopped mid-waltz. By the time the lights came up, the singer was dead and her pearls were in the punch bowl.
Play now → : Death at the Winter Garden No. 06 Members only Difficulty: 5 of 5, Diabolical. Diabolical
The Speckled Band adapted by Tom Hadleyafter Arthur Conan Doyle
Surrey, 1883 · 45–60 min · 3 suspects
Her sister died whispering of a speckled band. Now Helen hears the same low whistle in the night.
Sign up to play: The Speckled Band No. 07 New Difficulty: 3 of 5, Fair. Fair
The Keeper's Log by Hollis Reed
Cornwall, 1911 · 30–45 min · 3 suspects
The light went out at midnight. At dawn the keeper was gone, and one page had been torn from his log.
Play now → : The Keeper's Log No. 08 Difficulty: 1 of 5, Elementary. Elementary
The Red-Headed League adapted by Enigmeeafter Arthur Conan Doyle
London, 1890 · 30–45 min · 4 suspects
A pawnbroker is paid four pounds a week to copy out the encyclopaedia. Then, one morning, the League is gone.
Play now → : The Red-Headed League No. 09 Members only Difficulty: 4 of 5, Tricky. Tricky
The Empty Cabinet by Clara Benn
Edinburgh, 1902 · 45–60 min · 7 suspects
Seven sitters held hands round the table. When the candles were lit again, the medium had gone from a locked room.
Sign up to play: The Empty Cabinet ← →
Most cases play free, with no sign-up. A free account opens the members’ cases, lets you hear the suspects’ voices, and keeps your place in every case.
No real victims. A classic story by Arthur Conan Doyle, adapted for play. Suspects played by AI.
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