A text-based horror game that remembers what you saw.
Play a horror story in your browser, written by an AI as you go. Open the door or don't, read the letter or burn it. The Game Master builds the dread around your choices and keeps every detail you noticed, so what you saw in the first room is still waiting later.
Or start from a first line, no setup:
Free to play in your browser and on Android. The full memory system is on every plan, including free.
A real session, recorded
This is what the dark looks like
The fluorescent tube above the nurses' station flickers, casting long, erratic shadows across the peeling linoleum of the decommissioned wing. You have been sitting in this oppressive silence for hours, the only sound the low, mechanical hum of a ventilation system that shouldn't even be running.
> I take a flashlight, write the time on my hand, 2:14, and walk to room 12 without turning on the hallway lights.
The ink on your hand, 2:14, feels cold against your skin as you navigate the corridor. The beam of your flashlight cuts through the dust-moted air, dancing over peeling wallpaper and rusted wall fixtures. You reach Room 12; the door is slightly ajar, and the red light above the door pulses in rhythm with a silence so thick it feels heavy. You stand before the threshold, the room beyond a yawning, pitch-black void.
> Back at the nurses station I check the old patient logbook for room 12 and look for anything written at 2:14.
The walk back to the nurses' station is tense, your flashlight beam cutting through the gloom. You find the heavy, leather-bound logbook sitting exactly where you left it, its pages yellowed and brittle with age. Flipping through the entries, your eyes scan for the time, but the logbook is a chaotic mess of shift notes and erratic handwriting.
Recorded on 2026-10-13 on the free-tier model: a fresh account, the first line "a horror story: I took the night shift as the only nurse in a hospital wing that was closed ten years ago, and the call light in room 12 just turned on, even though room 12 has no bed", then the two actions above typed in. The AI named the story "The Signal from Room Twelve". The time the player inked on their hand, 2:14, turns up in the next turn in a ten-year-old logbook, written again and again beside a patient's name; that line is in the full exchange. The Game Master's lines are cut to their first sentences here; the whole exchange, every word, is published as a JSON file.
A text-based horror game is a horror story you play by typing what you do, and here an AI writes the story around you as you go. You set the scene in a sentence: a night shift in an empty hospital, a cabin with a door that was locked from the outside, a town where everyone stopped talking at once. Then you act in your own words: "turn off the flashlight and listen," "read the last page of the diary," "go back for my sister." The Game Master writes what you see, what you hear and what changes because you looked.
There is no fixed route and no list of choices. That is what makes it frightening: nothing is scripted, so nothing is safe. Horror also depends on details staying put. A scratch on the wall, a name in a letter, the sound you heard at 3 a.m. only work if the story remembers them, which is why memory decides whether an AI horror game builds dread or just throws scares.
What you can do
How a text-based horror game plays
Do anything, in your words
Hide, run, investigate, lie to the thing on the other side of the door. There is no menu; if you can describe it, the Game Master plays it out.
Dread that builds
Small details come back: the photo that was face down, the footsteps that stopped too soon. The story escalates from what already happened instead of starting over each scene.
Details that stay put
Auferet keeps characters, places and events in structured libraries, so the room you sealed in the first hour is still sealed when you come back to it.
Any kind of fear
Ghost story, cosmic horror, a slasher in a summer camp, a slow psychological unravelling. The opening sets the tone and the Game Master holds to it.
Play it in the browser
No download. Auferet runs online in any browser on desktop or phone, and there is an Android app too.
Free to start
Play a whole night before you pay anything. Auferet's free tier includes the full memory system and 10 free daily credits, in your browser.
Why memory decides it
Horror falls apart when the AI forgets
Most AI games feed the model one fixed window of recent text each turn. In horror that kills the fear. The door you nailed shut is open again with no explanation, the stranger you never trusted greets you like an old friend, the thing in the cellar is forgotten. Dread needs a story that remembers.
That is measurable, so we measured it. Five facts were planted in the first turns of a story on the free model and asked about at turn 20, 40 and 60: once with only recent conversation to read, the way most AI games work, and once with persistent memory, the way Auferet works.
| Asked at | Recent conversation only | Persistent memory |
|---|---|---|
| Turn 20 | 3 of 5 facts | 5 of 5 facts |
| Turn 40 | 1 of 5 facts | 5 of 5 facts |
| Turn 60 | 1 of 5 facts | 5 of 5 facts |
Run on 2026-08-22 and again on 2026-08-27: both runs fell to 1 of 5 by turn 40 on recent conversation and held 5 of 5 with memory. Every question and raw answer is in the result file; the method is on the benchmark page, and how the memory works explains what it stores.
How it compares
AI text horror vs classic text adventures vs scripted horror games vs a character chat
| AI text horror (Auferet) | Classic text adventure | Scripted horror game | AI character chat | |
|---|---|---|---|---|
| What you can type | Anything, in plain words | Commands the parser knows | No typing; set paths | Anything, to one character |
| The story | Written around your choices | Written in advance | Written in advance | A conversation |
| Replay | A new night every time | Same rooms, same answers | Same scares | Endless, no structure |
| Memory of details | Persistent across the whole story | Scripted state | Scripted | Varies, often a short window |
| Where you play | Online, in the browser | Online or download | Usually a download | Online |
More of a puzzle than a fright? Try the AI murder mystery game. The same engine runs every AI text adventure.
FAQ
Text-based horror games, answered
Is there a free text-based horror game online?
Yes. Auferet is free, with 10 daily credits to claim, and the free tier includes the full memory system. It runs online in your browser; unlimited actions start at $10/mo.
How does an AI text horror game work?
You describe the setup in a sentence, or pick one of the openings above, and the Game Master writes the scene. You type what you do in plain words, and the story answers with what you see, hear and set in motion.
Can it actually be scary?
It can, because nothing is scripted and the story builds on what already happened. The tone follows your opening: a slow ghost story, cosmic dread or something closer to a slasher.
Does the AI remember what happened earlier in the story?
That is what Auferet is built for. It keeps characters, places and events in dedicated libraries and can search the whole story, so the door you sealed, the name you read and the thing you heard are still part of the night later.
Can I play horror with friends?
Yes. Auferet has multiplayer: one player hosts, friends join, and everyone plays their own character in the same story, each with their own Game Master.
Do I need to download anything?
No. Auferet runs in the browser on desktop and phone, and there is an Android app if you want it on your home screen.
The lights just went out. What do you do?
Start a text-based horror game free in your browser and see whether the story remembers what you saw.
Start your night free