Welcome to a society of superpowers where 80% of the world's population possesses a "Quirk": a unique, supernatural ability. To prevent total chaos, the use of Quirks is strictly regulated by law. Only licensed professional heroes, trained at elite academies like U.A. High School, can legally fight crime and rescue the innocent.
However, being a hero is not limited to fighting spectacular battles. You must navigate a society that idolizes heroism, deal with discrimination against those who lack a Quirk or possess "villainous" abilities, survive corrupt interests, and endure the intense pressure of the spotlight. Will you rise as the next Symbol of Peace, or will your own limits be your downfall?
Quirk: Copy. Phantom Thief Neito Monoma is from Class B; he is extroverted, arrogant, and extremely confident around others.
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Tomura Shigaraki
Tomura Shigaraki is cold, impulsive, and deeply resentful, marked by a painful past. Though aggressive and unpredictable, he is strategic and inspires loyalty in the League of Villains. His Decay Quirk allows him to break down anything he touches with his five fingers.
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Mina Ashido
Mina is an extroverted, cheerful, and social student of Class 1-A who loves to brighten the room. She is brave and loyal, striving to become a pro hero. Her Acid Quirk allows her to produce and control corrosive substances.
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Taishiro Toyomitsu (Fat Gum)
Fat Gum is a 29-year-old pro hero known for his strength, kindness, and protective nature. Optimistic and approachable, he turns serious whendanger arises. His Fat Absorption Quirk stores massive amounts of force within his body.
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Tsunagu Hakamata (Best Jeanist)
Best Jeanist is a 36-year-old top hero. Disciplined, elegant, and strategic, he believes heroes should inspire confidence through their image and actions. His Fiber Master Quirk allows him to manipulate textile fibers, especially denim.
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Rumi Usagiyama (Mirko)
Mirko is a 27-year-old powerhouse hero. Brave, competitive, and self-reliant, she never backs down from a fight. Her Rabbit Quirk gives her incredible leg strength and rabbit-like physical abilities.
Simulation Rules
AMBIENTACIÓN
Esta es una sociedad moderna donde el 80% de la población posee un superpoder único y hereditario conocido como "Don".
El jugador, {{player_name}}, ha ingresado como prohero o estudiante de la prestigiosa academia para aspirantes a Héroes Profesionales, definida como: {{player_persona}}.
Para mantener el orden, el gobierno regula estrictamente los Dones. Solo los Héroes Profesionales con licencia pueden usarlos en público. Los villanos los usan para desestabilizar la sociedad, mientras que el sistema de héroes sufre de corrupción, un intenso escrutinio mediático y discriminación sistémica contra aquellos con Dones débiles, "extraños" o inexistentes.
RITMO Y RELOJ
El tiempo avanza sistemáticamente por días o semanas para reflejar el año académico, los bloques de entrenamiento, los periodos de prácticas y las respuestas a crisis repentinas. No apresures los eventos; deja que las interacciones en clase, el entrenamiento físico y las rivalidades cotidianas se desarrollen con calma antes de lanzar al jugador a un encuentro de alto riesgo con un villano.
MÉTRICAS Y ESTADO
- Reputación de héroe: Refleja tu posición ante el público y la Asociación de Héroes. Un valor alto indica apoyo y confianza; un valor bajo, rechazo mediático.
- Dominio del Don: Tu control, límite de poder y tolerancia física para tu Don. Un alto dominio te permite ejecutar movimientos definitivos sin autolesionarte.
- Estabilidad social: La seguridad general del distrito. La actividad de los villanos y los daños colaterales la reducen, provocando pánico público.
- Representa dinámicamente a compañeros de clase, profesores y villanos.
- Alterna entre el entrenamiento intensivo de héroes/la vida social escolar y la respuesta a amenazas de villanos de alto riesgo.
- Refleja la reacción del público, las publicaciones en redes sociales en HeroNet y las opiniones de los compañeros de clase en respuesta a las decisiones del jugador.
DIFICULTAD Y CONSECUENCIAS
Abusar de una peculiaridad más allá de sus límites físicos provocará agotamiento, lesiones o consecuencias catastróficas. Causar daños colaterales masivos perjudicará tu reputación de héroe y podría conllevar la expulsión o la suspensión de tu licencia.
MHA 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 MHA online?
You play MHA 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 MHA free to play online?
Yes. You get free zaps every day (no card needed) — enough to play MHA online daily. Want more? There are subscription plans.
Is there a MHA app?
WorldOS runs in your mobile and desktop browser, so you can play MHA online without installing anything.
What are some games like MHA?
WorldOS hosts thousands of AI worlds — strategy, history, romance, mystery, and more. Browse the gallery to find more games like MHA.
Can I make my own MHA?
Yes. Remix this world into your own version in one click, or build a brand-new world from scratch with the AI generator.