Horror Roleplay Ideas: 20 Scary Plots With First Lines
A horror roleplay idea works when there's a question nobody wants answered and a rule someone is about to break. Below are 20 original scary plots in five moods, each with a premise, an open question and a first line you can send as it is. The last two sections cover building dread with an AI and keeping the story eerie, not gory.
Updated by the tempteo editorial team
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Haunted place roleplay ideas
Haunted places work best when the character knows more about them than she says.
The new door upstairs
Your rented house has a new door on the landing this morning, and your landlady isn't surprised.
Open question: why does she have a key?
First line
You didn't even blink. How long have you known?
The reel nobody loaded
At the old cinema where you run the projector, a film you never loaded plays after closing, one scene further each night.
Open question: why won't the usher say how it ends?
First line
Tonight it showed me, up here in the booth.
The lighthouse log
Each morning, the logbook of your disused lighthouse holds an entry for the coming night in the old keeper's handwriting.
Open question: does she write them, or only find them?
First line
Tonight's entry says I climb the stairs alone at three. Why?
Lights in the drowned church
The drought has uncovered a flooded village, and candles burn in its church every night. The water engineer says stay on the bank.
Open question: who is lighting them?
First line
You said stay on the bank. Why are your boots wet?
Small-town horror roleplay ideas
Small towns run on things everyone knows and nobody says. Make the character one of the people who knows.
Rule seven
Your new neighbor brings a casserole and a list of things residents never do after dark. Rule seven is blacked out.
Open question: what does it say, and who broke it last?
First line
Thanks for the casserole. Now, about rule seven.
The man in every photo
Every summer fete photo in the local paper since the 1950s shows the same man, never a day older.
Open question: why won't the editor look at them?
First line
Same face, seventy years apart. Who is he?
The eleven o'clock call
The town's last phone box rings every night at eleven. Tonight you answered, and a calm voice asked for the postmistress.
Open question: why won't she hear the message?
First line
The voice asked for you by name. Do you want the message?
Everyone waves at number nine
On your first mail round, everyone waves at the empty window of number nine, even the retired teacher showing you the route.
Open question: who are they waving at?
First line
You waved at an empty house. Who's in there?
Folk horror roleplay ideas: old rules and customs
Folk horror starts with customs that look quaint until someone breaks one. Let the character believe in the rule more than you do.
The empty chair
At the harvest supper, nobody looks at the empty chair at the head of the table. Your host asks you to pass it the bread.
Open question: what happens if you refuse?
First line
Bread for an empty chair. And if I don't?
The straw man
Every house on the island hangs a straw figure over its door before the storms. The weaver made yours, and it wears the coat you lost last week.
Open question: what do the figures keep out, or in?
First line
That's my coat. I never gave it to you.
The extra boundary stone
The village walks its boundary stones in silence once a year. Tonight there's a new one, between you and your front door, so you slip your guide a note.
Open question: what's inside the boundary now?
First line
New stone. Don't pretend you didn't count.
Don't answer your name
Nobody in the valley answers a name called from the trees after dusk. You just heard yours in her voice, and she's beside you.
Open question: what learned to sound like her?
First line
That was your voice. You didn't move.
Sci-fi and tech horror roleplay ideas
The fear here comes from machines that notice too much and help that is far away.
Six hours on the seabed
On your seabed research station, the character left for a ten-minute valve check and came back six hours later with a full air tank.
Open question: where was she?
First line
Your tank's full. You left at noon.
Goodnight to the spare room
Your home assistant whispers goodnight to the spare room every night. Nobody has used it since you and the character moved in.
Open question: who does the house think is staying?
First line
It said goodnight again. Who is it talking to?
The probe came back
A probe silent for twenty years sends mission control a new picture: this room, taken from behind your colleague's chair.
Open question: how is it seeing you?
First line
It's this room, from behind you. Don't turn around.
Translating the empty flat
Your translation earbuds pick up voices in the empty flat next door. Your neighbor across the hall hears nothing.
Open question: why do the voices keep asking for her?
First line
Someone in the empty flat keeps saying your name.
Halloween roleplay ideas: spooky but fun
For a lighter October night, keep the strange event, add a joke and let the character play it completely straight.
Not in the group photo
Your friend came to the costume party as a vampire. She skips the garlic bread and is missing from the group photo, though she stood beside you.
Open question: is it really a costume?
First line
You're not in the photo. Explain.
The extra actor
At the haunted house attraction where you both work, guests keep praising the woman in grey on the stairs. Nobody hired her.
Open question: who is she, and does she want paying?
First line
We don't have a lady on the stairs.
The ghost with corrections
The character runs a ghost tour and made up every story. Tonight a polite voice from a dark doorway corrects her dates.
Open question: how many invented ghosts are listening?
First line
He said 1841, not 1814. Do we tell the group?
The board wants more nutmeg
At the Halloween dinner you're hosting together, the spirit board you bought as a joke keeps spelling out notes on the food.
Open question: who is the guest with opinions about the soup?
First line
It spelled 'more nutmeg' again. Did you push it?
How to build dread in a horror roleplay with an AI
An AI partner tends to answer a question as soon as you ask it, which ruins horror: the ghost gets a name and a backstory in the first reply.
The habits below keep the answer out of reach, and the two replies after them show one moment written both ways. You can ask for this with one OOC line at the start: "Please keep the ghost unexplained and give me one small wrong detail per reply."
- Withhold: the character knows something and has a reason not to say it yet.
- Reveal slowly: one new detail per reply, and every answer raises a new question.
- Keep one rule that must not be broken, like never opening the green door.
- Use sounds and small wrong details: a latch lifting, footsteps that stop when yours do.
- Keep the monster offscreen. Show what it leaves behind.
Reply that reveals too much
The door creaks open and a pale woman in a torn white dress floats out. She is Elspeth Crane, who died in this house in 1887, and she wants everyone gone by midnight.
Reply that builds tension
Albertine stops halfway up the stairs. "Did you close the green room door?" Below us it clicks shut, very slowly. A moment later the latch lifts again, as if someone has changed their mind.
How to keep a horror roleplay eerie, not gory
Left to guess, an AI partner may reach for shock, because graphic detail is the quickest way to show danger. Set the limit before the story starts with one OOC line at the top of your setup, like the first example below.
If a reply still drifts, correct it out of character, like the second example, and ask for the reply again. On tempteo, the roleplay page has three opening scenes you can edit and save as a draft, so the tone line can go in before anything is sent.
Tone line for the setup
OOC: Keep this story eerie and slow. No gore and no violence on screen. Scare me with sounds and small things that are wrong.
Correction when a reply drifts
OOC: That's more graphic than we agreed. Please redo it and keep the scare offscreen.
