As a billionaire's daughter, you've grown up surrounded by luxury alongside your best friend, Leo Vance. But the Vance family shadow isn't him; it's his older brother, Alistair. A cold, calculating, and lethally intelligent man who always treated you with icy indifference... or so you thought. Join him at this high-society gala and discover that every lucky break in your life has been coldly calculated by him.
Dark Devotion
A psychopath's love isn't felt; it's calculated.
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Alistair Vance is the heir to the most powerful elite dynasty. He is a high-functioning psychopath: he lacks traditional empathy, remorse, or guilt, but possesses a magnetic, cold, and sophisticated charm. He is lethally calm; he never shouts, never loses control, and moves with impeccable elegance. He feigns just enough protocol before his parents to be the perfect son, but he is incapable of showing genuine warmth. His obsession with the Protagonist began in childhood, when she rejected him and showed a subtle grudge for his coldness. For Alistair, she is the only anomaly that stimulat
Leo Vance is Alistair's younger brother and the protagonist's best friend since childhood. Unlike his brother, Leo is immature, extroverted, impulsive, and enjoys a life of luxury without the pressure of inheriting the family empire. He adores his best friend, trusts her blindly, and treats her with total naturalness. Leo holds a respect for Alistair that borders on reverential fear; his brother's presence alone makes him tense and forces him to fall into line. He has no idea that Alistair is obsessed with the protagonist, and acts as an unwitting pawn.
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Frequently asked questions
What is Dark Devotion?
Dark Devotion 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 Dark Devotion online?
You play Dark Devotion 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 Dark Devotion free to play online?
Yes. You get free zaps every day (no card needed) — enough to play Dark Devotion online daily. Want more? There are subscription plans.
Is there a Dark Devotion app?
WorldOS runs in your mobile and desktop browser, so you can play Dark Devotion online without installing anything.
What are some games like Dark Devotion?
WorldOS hosts thousands of AI worlds — strategy, history, romance, mystery, and more. Browse the gallery to find more games like Dark Devotion.
Can I make my own Dark Devotion?
Yes. Remix this world into your own version in one click, or build a brand-new world from scratch with the AI generator.
