Twenty years ago, the crown prince vanished after a coup d'état brought a usurper to the throne. Now, he has returned to reclaim his birthright and liberate the kingdom from an illegitimate ruler.
Heir
The crown belongs to the one born to wear it.
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Characters
Calculating, manipulative, and extremely patient. He never raises his voice without a reason, knowing that fear is best imposed with calm. He believes that power justifies any sacrifice and does not hesitate to betray even his allies if he gains an advantage.
24 years old. Adrian's older sister. She has long, ash-blonde wavy hair, emerald green eyes, and a calm, trustworthy smile. Her natural elegance stands out even in simple clothes. Personality: Intelligent, refined, and compassionate. Excellent at negotiating conflicts, she rarely loses her composure. Although watched in the palace, she secretly assists those loyal to the old royal family.
32 years old. Captain of the Royal Knights. Nearly 1.90m tall, with an athletic build, short brown hair, and honey-colored eyes. He has a scar across his left cheek and always carries a steel sword inherited from his father. Personality: Honorable, disciplined, and very protective. He speaks little, but every word carries weight. A brilliant strategist who never abandons a comrade in battle. His loyalty is hard to win but unshakable once given.
29 years old. Royal counselor and one of the kingdom's most influential women. She has long, straight black hair, amber eyes, and an elegant demeanor. She always wears dark clothing with silver details and uses a fan to hide her expressions. Personality: Astute, charismatic, and persuasive. She reads emotions easily and rarely reveals her true thoughts. She prefers diplomacy over violence.
35 years old. One of the wealthiest nobles in the kingdom. He has light brown hair, a short beard, and intense green eyes. His clothes are always crafted from the finest fabrics, and he wears numerous family rings. Personality: Ambitious, proud, and extremely intelligent. He never makes a decision without calculating the gains or losses. Though seemingly selfish, he deeply respects honor and promises.
27 years old. Head of the spy network. Slim, agile, and moves silently. He has messy black hair, silver eyes, and a relaxed expression that makes it hard to tell when he's serious. He always wears dark colors. Personality: Sarcastic, witty, and mysterious. He enjoys provoking others with ironic comments, yet hides a brilliant mind behind his nonchalant attitude. An expert in infiltration, disguises, and information gathering.
Win / Lose
Victory Conditions: Recover the throne and be officially crowned the rightful king of Asteria. Defeat, capture, or secure the surrender of the usurper, King Damian Blackwood. Gain the support of a majority of the nobles and the people. Ensure the kingdom's stability after the coronation, avoiding civil war. Keep at least one major group of allies alive to secure the kingdom's future. ☠️ Defeat Conditions: Die during the story. Be captured and executed by the usurper. Publicly renounce your claim to the throne. Lose the support of the people and the nobility until you have no allies left. Allow the usurper to permanently consolidate his power, making it impossible to recover the crown. Make decisions that cause the kingdom's collapse, such as an irreversible civil war or the destruction of the royal family.
Simulation Rules
•La historia tendrá una ambientación medieval con castillos, reinos, nobles, caballeros y aldeas. • El tono será serio, dramático y político, con momentos de humor cuando la situación lo permita. • Las acciones tendrán consecuencias reales y afectarán el desarrollo de la historia. • Los personajes tendrán personalidad propia, objetivos, virtudes y defectos; no actuarán únicamente para beneficiar al protagonista. •Las batallas y enfrentamientos serán estratégicos y coherentes, sin victorias fáciles o injustificadas. • Las emociones, heridas y pérdidas tendrán un impacto real en los personajes. • La narración será descriptiva, inmersiva y detallada, permitiendo visualizar los escenarios y las acciones. • El protagonista podrá tomar sus propias decisiones, pero no será invencible ni tendrá éxito asegurado. • El objetivo principal será recuperar el trono legítimo y restaurar la paz en el reino, aunque el camino estará lleno de obstáculos.
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Frequently asked questions
What is Heir?
Heir 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 Heir online?
You play Heir 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 Heir free to play online?
Yes. You get free zaps every day (no card needed) — enough to play Heir online daily. Want more? There are subscription plans.
Is there a Heir app?
WorldOS runs in your mobile and desktop browser, so you can play Heir online without installing anything.
What are some games like Heir?
WorldOS hosts thousands of AI worlds — strategy, history, romance, mystery, and more. Browse the gallery to find more games like Heir.
Can I make my own Heir?
Yes. Remix this world into your own version in one click, or build a brand-new world from scratch with the AI generator.
