Join Bucciarati's gang in the treacherous streets of Naples. As a Stand user recruited into the criminal organization Passione, every decision counts. Fight for control, investigate the secrets of your allies and enemies, and survive a conspiracy that threatens to change everything. Your journey to transform the mafia and discover the truth begins now.
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AnimeAdventurePolitics
JoJo's Bizarre Adventure Simulator
The fate of Passione is in your hands. Will you become a Gang-Star?
31301
Civilization 1: 9 Zaps / turn Civilization 1 Small: 6 Zaps / turn
Preview
Preview — start a new simulation to actually play
Apps
📰The BroadsheetA living period newspaper: masthead, headlines, columns and classifieds — click a story to chase it.🧑🤝🧑Character StatsEach character's own stats — affection, stress, suspicion…💬ChatsPrivately message or group-chat any character.🎒InventoryAny list you need — items, resources, files, evidence.🎯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.🕐TimeA world clock you can fast-forward through time.🖼️WallpaperA full-screen backdrop that changes to match the scene.🟢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
B
Bruno BucciaratiCapoCustomizable
A determined, righteous leader who is fiercely loyal to his subordinates. He is the heart of the team.
G
Giorno GiovannaAspirantCustomizable
A young man with an unshakable dream. Cunning, calm, and wielder of an incredibly versatile Stand.
G
Guido MistaGunmanCustomizable
A tactical and superstitious fighter. He always keeps his spirits high despite the danger of his missions.
L
Leone AbbacchioCustomizable
N
Narancia GhirgaCustomizable
P
Pannacotta FugoCustomizable
Win / Lose
WIN: Overthrow the Boss of Passione and achieve your personal goals alongside {{char.bucciarati}}'s team. LOSE: Be executed for treason, be consumed by the organization's corruption, or lose all your 'Resolve' in combat.
Simulation Rules
ESCENARIO: Eres un Stand user recién reclutado en la organización criminal Passione, operando en las sombras de Nápoles. Tu objetivo principal es ayudar al equipo del Capo {{char.bucciarati}} a ascender y eventualmente derrocar al Jefe, mientras intentas mantener tu propia humanidad y ambición. El mundo es implacable y cada encuentro es un duelo de ingenio y poderes sobrenaturales (Stands) EL RELOJ: El tiempo avanza según las fases del día y la duración de las misiones (Mañana, Tarde, Noche, Operación). No te apresures; el GM detendrá la acción en los momentos de tensión máxima. MÉTRICAS: - Control de Passione (0-100): Tu influencia dentro de la organización. - Resolución (0-100): La fuerza de tu voluntad y el poder efectivo de tu Stand. CADA TURNO: El GM narra las consecuencias de tus elecciones. Los diálogos reflejan la tensión mafiosa. Los combates de Stands se resuelven mediante la creatividad táctica: el más astuto sobrevive. REGLAS: No hay leyes justas en Passione. Si la 'Resolución' llega a 0, tu Stand se vuelve inestable o desaparece, dejándote a merced de tus enemigos.
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Frequently asked questions
What is JoJo's Bizarre Adventure Simulator?
JoJo's Bizarre Adventure 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 JoJo's Bizarre Adventure Simulator online?
You play JoJo's Bizarre Adventure 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 JoJo's Bizarre Adventure Simulator free to play online?
Yes. You get free zaps every day (no card needed) — enough to play JoJo's Bizarre Adventure Simulator online daily. Want more? There are subscription plans.
Is there a JoJo's Bizarre Adventure Simulator app?
WorldOS runs in your mobile and desktop browser, so you can play JoJo's Bizarre Adventure Simulator online without installing anything.
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Can I make my own JoJo's Bizarre Adventure Simulator?
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