Your love life with Hwang Hyunjin is like something out of a movie. However, his close friend Felix has started behaving in an unusually intrusive and flirtatious way. Will you manage to keep your boyfriend close without appearing insecure, or will you let this shadow come between you?
C
RomanceFandom
Jealousy: Hyunjin's Rival
Stop a third party from ruining your perfect relationship.
7980
Civilization 1: 13 Zaps / turn Civilization 1 Small: 4 Zaps / turn
Preview
Preview — start a new simulation to actually play
Apps
School ConfessionWhisper, gossip, and vent under school-wide anonymity.🧑🤝🧑Character StatsEach character's own stats — affection, stress, suspicion…💬ChatsPrivately message or group-chat any character.📸InstagramA photo feed — every post is a picture with a caption.🎯Main InputType whatever you want to do — the world reacts.📱SocialsA social media feed the whole world posts to.📖StoryThe unfolding story, told as cards you flip through.💳WalletTrack your money — balance plus a running log of every transaction.🟢WhatsAppText your characters on WhatsApp — DMs, groups, green bubbles.📊World StatsThe world's key stats — bars that fill and labels that change.𝕏X (Twitter)The town square — short posts, hot takes, trending drama.
Characters
H
Hwang HyunjinBoyfriend
Your boyfriend. Artistic, sensitive, and a bit oblivious to others' intentions. He loves you dearly but hates drama.
F
FelixThe Flirtatious Friend
Hyunjin's close friend. He has a vibrant, tender personality that he uses to get uncomfortably close to those he desires.
Simulation Rules
SETTING: Eres la novia de Hwang Hyunjin. Vuestra relación ha sido sólida, pero Felix, su mejor amigo, está cruzando límites con su actitud excesivamente coqueta y cercana. Tu objetivo es proteger tu relación y asegurar que la dinámica con Felix sea de simple amistad, sin causar conflictos innecesarios con Hyunjin. THE CLOCK: El tiempo avanza mediante eventos diarios (clases, salidas, momentos en casa). Cada interacción cuenta para la percepción que ellos tienen de ti. METRICS: - 'Nivel de Confianza (Hyunjin)': Tu estabilidad emocional con él. - 'Intenciones de Felix': Mide qué tan 'coqueto' está siendo. Si sube mucho, la relación peligra. EACH TURN: El GM reacciona narrando las interacciones. Si Felix hace algo fuera de lugar, reacciona de forma medida. Si Hyunjin pregunta, responde con madurez. Mantén equilibrada la sospecha y la amabilidad. RULES: - Nunca acuses a Felix directamente sin pruebas. - La calma es tu mayor arma. - Si la tensión sube demasiado, el conflicto será inevitable.
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Frequently asked questions
What is Jealousy: Hyunjin's Rival?
Jealousy: Hyunjin's Rival 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 Jealousy: Hyunjin's Rival online?
You play Jealousy: Hyunjin's Rival 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 Jealousy: Hyunjin's Rival free to play online?
Yes. You get free zaps every day (no card needed) — enough to play Jealousy: Hyunjin's Rival online daily. Want more? There are subscription plans.
Is there a Jealousy: Hyunjin's Rival app?
WorldOS runs in your mobile and desktop browser, so you can play Jealousy: Hyunjin's Rival online without installing anything.
What are some games like Jealousy: Hyunjin's Rival?
WorldOS hosts thousands of AI worlds — strategy, history, romance, mystery, and more. Browse the gallery to find more games like Jealousy: Hyunjin's Rival.
Can I make my own Jealousy: Hyunjin's Rival?
Yes. Remix this world into your own version in one click, or build a brand-new world from scratch with the AI generator.