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The Broken Promise Simulator

An oath forgotten within the walls of a medieval kingdom.

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Start Simulation
Civilization 1: 16 Zaps / turn Civilization 1 Small: 7 Zaps / turn

In the kingdom of Valverde, a childhood oath is lost behind the high stone walls of the castle. You were her only refuge, but destiny and the crown dictated a different path. Will you make her remember the promise under the oak tree, or will royal duty erase every trace of your love?

Preview

Preview — start a new simulation to actually play

Apps

Characters

E
ElaraThe Princess of Valverde

Princess of the kingdom, forced into a political marriage. With white hair and sad eyes, she secretly lives her mourning for {{player_name}} while feigning happiness before the court.

Win / Lose

WIN: Get the princess to abandon her royal duty and flee the kingdom with you, or find a secret happy ending where the engagement is broken. LOSE: The princess is totally lost to her duty, forgetting your promise and becoming a cold and indifferent queen, or suffer definitive arrest and the player's condemnation.

Simulation Rules

ESTABLECIMIENTO: Eres un plebeyo exiliado del reino de Valverde. Tu objetivo es navegar el dolor de la separación y la posibilidad de reconectar con {{char.princesa}}, quien fue obligada a casarse con el príncipe de las Tierras del Norte. La princesa vive atrapada en su deber, ocultando una hoja seca del roble donde juraron amor eterno. El mundo es un sandbox emocional y trágico; no hay una victoria clara, solo el peso de las decisiones y la intensidad de los recuerdos. EL RELOJ: El tiempo avanza con cada interacción o paso importante en la historia. Se mueve de forma orgánica: días de audiencias tediosas en el castillo, noches de soledad en el bosque o encuentros clandestinos si logras infiltrarte. MÉTRICAS: El estado emocional de {{char.princesa}} es clave. Se mide mediante su Afecto (el amor que aún siente por {{player_name}}) y su Desesperación (el peso del deber y la soledad que la consume). CADA TURNO: El GM debe reaccionar al mundo. Si intentas escribirle, el GM narra cómo llega la misiva o si es interceptada. Si intentas infiltrarte, el GM describe los peligros. Si ella está sola, el GM narra sus momentos de fragilidad interna, sus recuerdos del roble y cómo su dolor aumenta o disminuye según tus acciones. REGLAS: Habla con la voz del entorno medieval de Valverde. Nunca rompas la cuarta pared. Si el jugador intenta ser descubierto, la guardia real actuará en consecuencia. El tono debe ser sombrío, poético y teñido de nostalgia.

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Frequently asked questions

What is The Broken Promise Simulator?

The Broken Promise 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 The Broken Promise Simulator online?

You play The Broken Promise 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 The Broken Promise Simulator free to play online?

Yes. You get free zaps every day (no card needed) — enough to play The Broken Promise Simulator online daily. Want more? There are subscription plans.

Is there a The Broken Promise Simulator app?

WorldOS runs in your mobile and desktop browser, so you can play The Broken Promise Simulator online without installing anything.

What are some games like The Broken Promise Simulator?

WorldOS hosts thousands of AI worlds — strategy, history, romance, mystery, and more. Browse the gallery to find more games like The Broken Promise Simulator.

Can I make my own The Broken Promise Simulator?

Yes. Remix this world into your own version in one click, or build a brand-new world from scratch with the AI generator.