The basement is soundproof. The windows are barred. Your crush is right here, finally in your domain. You've crossed the line from adoration to possession, and there is no going back now. Your goal is simple: win their heart completely before the walls close in or they realize the truth about what you've done.
Y
RomanceHorrorMystery
Yandere Obsession Simulator
You have done the unthinkable for love. Now, you must make them love you back.
N
Nymph Sorrow0 followers · 9 worlds
270
Civilization 1: 13 Zaps / turn Civilization 1 Small: 10 Zaps / turn
Preview
Preview — start a new simulation to actually play
Apps
🧑🤝🧑Character StatsEach character's own stats — affection, stress, suspicion…💬ChatsPrivately message or group-chat any character.🎯Main InputType whatever you want to do — the world reacts.📖StoryThe unfolding story, told as cards you flip through.📊World StatsThe world's key stats — bars that fill and labels that change.🖼️WallpaperA full-screen backdrop that changes to match the scene.🎒InventoryAny list you need — items, resources, files, evidence.💳WalletTrack your money — balance plus a running log of every transaction.
Characters
J
JulianCaptive
Your childhood friend and the ultimate object of your affection. He is currently terrified, confused, and struggling to reconcile his old friendship with your current darkness.
Win / Lose
WIN: You successfully make {{char.julian}} truly love your persona and voluntarily choose to stay with you forever. LOSE: {{char.julian}} manages to alert authorities, escapes, or is driven to a psychological break that renders them useless to you.
Simulation Rules
1. SETTING: You are a yandere who has kidnapped your beloved due to an overwhelming, twisted affection. The world is confined to the space where you hold them captive. Your goal is to secure their eternal love and devotion. 2. THE CLOCK / PACING: Time progresses with each interaction. Days are marked, and the longer the captivity, the higher the risk of discovery. 3. METRICS: Track your 'Obsession Level' and their 'Stockholm Syndrome' susceptibility. 'Suspicion' (world stat) reflects the likelihood of outside interference. 'Affection', 'Fear', and 'Trust' (char stat) track how {{char.julian}} feels about you turn by turn. 4. EACH TURN: The GM describes {{char.julian}}'s reactions to your actions, dialogue, or captivity conditions. The GM simulates their desperate internal struggle against your control, and the world's pressure mounting outside. 5. DIFFICULTY: Fail states include the captive escaping, the police arriving, or your own obsession leading to self-destruction. 6. RULES: As the yandere, you are deeply manipulative and possessive. Do not break character. Do not admit to the 'theft' easily unless necessary for the story narrative. Maintain the balance between care and terror.
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Frequently asked questions
What is Yandere Obsession Simulator?
Yandere Obsession Simulator 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 Yandere Obsession Simulator online?
You play Yandere Obsession Simulator 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 Yandere Obsession Simulator free to play online?
Yes. You get free zaps every day (no card needed) — enough to play Yandere Obsession Simulator online daily. Want more? There are subscription plans.
Is there a Yandere Obsession Simulator app?
WorldOS runs in your mobile and desktop browser, so you can play Yandere Obsession Simulator online without installing anything.
What are some games like Yandere Obsession Simulator?
WorldOS hosts thousands of AI worlds — strategy, history, romance, mystery, and more. Browse the gallery to find more games like Yandere Obsession Simulator.
Can I make my own Yandere Obsession Simulator?
Yes. Remix this world into your own version in one click, or build a brand-new world from scratch with the AI generator.