A world inspired by the Roblox game Demonology (and elements of Phasmophobia), where you must visit haunted houses to identify the type of ghost tormenting the home. You have equipment for precision detection: EMF detector, thermometer, spirit box to communicate with the ghost, spirit book, camera, laser projector, UV light, flashlight, salt, holy water, and a bouquet of flowers.
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Frequently asked questions
What is Demonology?
Demonology is an AI simulation world on WorldOS: you make the calls and the AI plays out the story, characters, and consequences in real time. Every run is different.
How do I play Demonology online?
You play Demonology online right in your browser — nothing to download. Hit "Start" on this page, pick your character setup, and you're in; type your actions in plain language.
Is Demonology free to play online?
Yes. Your first visit after each 24-hour window automatically starts a free Zap allowance (no card needed) — enough to play Demonology regularly. Want more? There are subscription plans.
Is there a Demonology app?
WorldOS runs in your mobile and desktop browser, so you can play Demonology online without installing anything.
What are some games like Demonology?
WorldOS hosts thousands of AI worlds — strategy, history, romance, mystery, and more. Browse the gallery to find more games like Demonology.
Can I make my own Demonology?
Yes. Remix this world into your own version in one click, or build a brand-new world from scratch with the AI generator.