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Sibylline

Game overview

Sibylline

You're trapped at home when the world is suddenly gripped by an epidemic of sleeplessness. Society and reality itself are unravelling around you. Perform your dialogue, recover your words before they are swallowed by corruption and uncover the ancient secret behind this apocalypse of insomnia.

Action Adventure Casual Indie Simulation
Last tracked players
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Recorded peak
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24-hour change
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Player data unavailable. Values marked unavailable are not estimated. Recorded peak is the highest player count observed by SteamIQHQ; earlier records may be outside our coverage.

About this game Read the full description

NOBODY IS SLEEPING

You're trapped at home as an epidemic of sleeplessness sweeps the planet. News anchors and emergency workers are hallucinating, institutions are breaking down and you are starting to question reality itself. 

Something happened nearby. Whatever caused it has been building for a very long time.

PERFORM THE STORY

Sibylline is a live-action psychological horror game you can perform aloud or optionally play with your mouse.

Each scene gives you dialogue to complete. Extract the missing words from the scene before the spreading distortion consumes them, reconstruct your line, then speak it into your microphone to continue the story.  

FIND OUT WHAT HAPPENED

The trail leads through a neighboring property, an old church, forgotten experiments, obsolete projection devices, and a centuries-old attempt to decipher something that should never have been found.

They thought they were uncovering a secret hidden inside of physical reality. They may have been wrong about who was studying whom.

LIVE-ACTION COSMIC HORROR

The story combines surreal FMV, practical body-horror effects, real historical events, branching narrative choices, and a mind-blowing mystery that reveals itself slowly in response to your investigation. 

  • Perform dialogue using your own voice

  • Recover the missing words before the spreading corruption overtakes the scene

  • Explore different narrative paths 

  • Uncover an ancient occult/scientific mystery

  • Encounter practical-effects body horror and surreal live-action imagery

  • Piece together what is causing the end of humanity

Warning

Contains bright colors, flashing imagery, blood, disturbing visual effects, and intense psychological horror.

Player activity

Concurrent players over the last 48 hours.

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System requirements Windows

Windows

Minimum

Minimum:
  • OS: Windows 10
  • Processor: Intel Core I5 8600
  • Memory: 16 GB RAM
  • Graphics: NVIDIA GeForce GTX 750
  • Storage: 5 GB available space
  • Additional Notes: MICROPHONE REQUIRED!! This is a voice-interactive experience.
Game details Languages, features & support
Publisher
ChrisChrisChris
Brazilian rating
14
Steam Germany rating
16
Content warning
Contains depictions of surgery, blood, acts of violence and self-harm.
Features
Single-player, Steam Achievements, Captions available, Partial Controller Support, Family Sharing
Languages
English*
*languages with full audio support
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Frequently Asked Questions

What genre is Sibylline?
Sibylline is a Action, Adventure, Casual, Indie, Simulation, Early Access game.
Who developed Sibylline?
Sibylline was developed by ChrisChrisChris and published by ChrisChrisChris.
What platforms does Sibylline support?
Available on Steam for Windows, macOS.