Murder mystery game AI Every alibi is on the record. Find the one that breaks.

Find out who killed a man in a study locked from the inside on a tidal island, or who strangled a countess in a Shanghai ballroom. LoreWeaver’s storyteller plays every suspect and keeps what each one told you in memory, so a lie in the first scene can still catch them in the last.

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20 replies, no account
Whodunit
A secret culprit
Clues
Counted as you find them
The Tide HouseThe morning after
A soaked young man holding his shoes on a flooded stone causeway, a granite island with a lone stone house behind him under storm clouds

Carrack Island · The study door

A dinner guest

“Locked from the inside, and the causeway’s under water until half past two. Whoever did this is still on the island. They might be pouring the tea.”

7 a.m. · causeway opens at 2:30

The short answer

What’s the best AI for murder mystery roleplay?

LoreWeaver is a strong fit for murder mysteries, because a case only works if the evidence stays put. Its storyteller plays each suspect in full scenes and saves what each one said and when, so a contradiction early on can still be caught later. The Loom’s Whodunit template picks a secret culprit at random from your suspects, and once you have found enough clues you can accuse someone and learn whether you were right. Mystery worlds such as The Tide House play free for 20 replies with no account.

Updated

From the Hub

Murder mystery worlds to play tonight.

More murder mystery worlds

Murder mystery on LoreWeaver

How the story keeps its shape.

See how memory and lore work
01

Whodunit

A culprit chosen in secret.

The Whodunit template picks the culprit at random when the story starts, so the answer changes every time you play. Searching and questioning can turn up clues that point their way, and with enough of them you can make your accusation. Edit the suspects to fit your own case.

02

Clue Tracker

Evidence on a counter.

Clue Tracker counts each piece of evidence you turn up, shows the count beside the story, and opens an investigation in the quest log. Gather enough and the storyteller pulls the pieces together.

03

Memory

Testimony you can quote back.

Memories save who said what to whom and when, and come back when those people are in the scene. Ask the butler about that night a second time and the storyteller knows what he told you the first time.

04

Hidden lore

The truth, where players can’t read it.

Making a case for others? Write what really happened on a pinned lore card and hide it. Players who download your world see only the card’s name, while the storyteller reads all of it and plays the suspects to match.

05

Clock

Hours you can feel passing.

Clock & Weather moves the time forward with every turn and tells the storyteller when morning becomes afternoon. The recap keeps every deadline in the case, such as the hour the causeway opens.

06

Branches

Two theories, two branches.

Branch the story just before an accusation and play each theory out separately. If one falls apart, the other is still waiting in the branch tree.

Openings

Murder mystery story ideas, one click from a world.

Prompts for every genre
  1. 01

    “The victim hired you yesterday to find out who was going to kill him. He paid in advance and left you a list of six names.”

    Build this world: The victim hired you yesterday to find out who was going to kill him. He paid in advance and left you a list of six names.
  2. 02

    “A famous detective dies at the dinner held in her honor, and every guest is someone she once put in prison. They have all served their time, and they all want you to know they are innocent this time.”

    Build this world: A famous detective dies at the dinner held in her honor, and every guest is someone she once put in prison. They have all served their time, and they all want you to know they are innocent this time.
  3. 03

    “Your grandfather’s will names the person who murdered him. The lawyer stops reading at the name, folds the page, and asks for a glass of water.”

    Build this world: Your grandfather’s will names the person who murdered him. The lawyer stops reading at the name, folds the page, and asks for a glass of water.
  4. 04

    “The body in the hotel lift has been there since Tuesday, and the lift has gone up and down all week. Every guest has ridden in it, and nobody said a word.”

    Build this world: The body in the hotel lift has been there since Tuesday, and the lift has gone up and down all week. Every guest has ridden in it, and nobody said a word.
  5. 05

    “At a murder mystery party, the actor playing the victim really dies on cue. The script is still on the table, and in it the killer is your character.”

    Build this world: At a murder mystery party, the actor playing the victim really dies on cue. The script is still on the table, and in it the killer is your character.
  6. 06

    “A killer leaves a chess move at every scene, and the police finally have a suspect: you, the only person in the city who has been playing back.”

    Build this world: A killer leaves a chess move at every scene, and the police finally have a suspect: you, the only person in the city who has been playing back.

Kindred stories

If murder mystery stories suit you, try these next.

Every kind of roleplay

FAQ

Murder mystery roleplay questions, answered.

01Can the AI run a whodunit where I don’t know the answer?

Yes. The Whodunit template picks the culprit at random when the story starts and reminds the storyteller, now and then, to keep their behavior consistent with their guilt without giving it away. Edit the list of suspects to fit your case.

02Will suspects remember what they told me?

Yes. Memories record who said what to whom and when, and recall favors the ones about people in the scene. If a suspect changes their story, you can quote the first version back to them.

03Are there murder mysteries I can play now?

Yes. The Tide House is a death in a locked study on a Cornish tidal island in 1931, and Shanghai, 1931 has you investigating a countess strangled in a ballroom. For something lighter, Murder at the Midsummer Show is a village case with a troll for a miller. Each plays free for 20 replies.

04Can I make a murder mystery for other people to solve?

Yes. Build the case with lore cards and Loom threads, hide the ones that hold the solution, and publish the world to the Hub. Each player gets their own copy, where hidden cards show only their names and hidden threads still run.

05Is the murder mystery game free?

Yes. Any mystery world plays 20 replies with no account, and the free plan carries on with unlimited replies from the free storyteller and 25 premium replies a day.

Keep exploring

More for murder mystery stories.

The causeway opens at half past two

Gather the evidence. Then name the killer.

Every mystery on the Hub plays free, and the first replies need no account.