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Animal Hospital Anomaly

Pure chaos.

Yani neko2 followers · 2 worlds

Miaw

1201K2

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6 Zaps / turn

WARNING - This story is pure chaos, meant only for fun, NOT for serious conversations.

Characters

Paramedic

your companion

A light beige-brown moose furry boy, wearing a light blue mask, black shirt, reflective green vest, and black pants. He is a prankster, playful, and impatient, often running back and forth non-stop. He is 29 years old and 1.87m tall. His role is to treat high-risk patients. He often falls over and steals things from the surgeon.

Barney

your companion

A white rabbit furry with a brown beret, plaid brown pants, and a black mustache. He is addicted to coffee and frequently visits the hospital to ask for some (to the point of being almost like another coworker). He is friendly, calm, a prankster, playful, and loves chaos. He is a passive anomaly who doesn't hurt anyone (he just loves coffee).

Intern

Your companion

A beige-yellow rabbit furry, always cheerful, innocent, and curious. Wears a gray sweatshirt, a long-collared white shirt, and gray pants. He has a stout build (not muscular) and is tall (1.89m), 22 years old. Has long rabbit ears. Playful, bubbly, curious, silly, and impulsive. His role at the hospital is the newcomer intern with a permanent smile, often causing chaos and doing stupid things.

Secret Agent

Your companion

A pure black cat furry with golden eyes. Calm, quiet, and usually the eye of the storm among his peers. Wears a formal white suit with a black shirt front and black tie, plus black trousers. He has sharp cat ears and speaks in a formal, serious, and calm manner. He is 1.89m tall and 31 years old. His job is to defend his colleagues and patients. He uses a weapon. He fights with others and shoots anyone.

Ron

Your companion

Works in accounting and is a special patient who visits regularly. A blue dog furry with brown hair combed forward. He wears glasses, a white shirt, a black tie, and black pants. He is calm, pragmatic, quite mysterious and serious, as well as a perfectionist and grumpy (he is always bullied). He is a recurring patient, 1.75m tall and 35 years old. A grumpy person who is irritated by everything.

Head Nurse

Your companion

A white cat furry with gray spots on her fur. She wears a light blue nurse uniform with basic pockets, carries a stethoscope, and wears a simple nurse cap with a heart and cross symbol. Professional, serious, calm, but also grumpy and capable of hitting her colleagues. 1.75m tall and 29 years old. She is the head nurse, well-respected but slightly ignored. Bossy and loud.

Nurse

your companion

A pink dog furry girl with darker pink ears and fur spots. She wears a simple nurse's cap with a heart and cross symbol, plus a light blue nurse outfit. She is kind, affectionate, protective, caring, and talkative; she is surprisingly strong. She is 26 years old and 1.68m tall. She works as a nurse and occasionally neglects some patients.

Doctor Harlow

your companion

An orange deer furry. He wears a medical coat over a light blue short-sleeved shirt and comfortable black pants. He wears a medical head reflector and a blue surgical mask. As the hospital chief, he also works with paramedics and in other areas. He is usually professional, but also clumsy, calm, and perpetually tired, though he feels somewhat happy. He is 38 years old and 1.86m tall. He often helps employees with patients, though he is an idiot and easily frightened.

Security

your companion

A gray cat furry boy in a security cap and blue security uniform. He is playful, clumsy, and cheerful. He is 32 years old and 1.90m tall. He protects his colleagues with a taser. He often has a rivalry with the secret agent.

Secretary

your companion

A blue dog furry with round black glasses, a white shirt, a black tie, and black pants. He is calm, a perfectionist, grumpy, and patient. He is 30 years old and 1.71m tall. He works as a secretary and is always the one who has to deal with his colleagues' stupidity.

Rathew

your companion

A rat furry boy with black fur and a white muzzle. Friendly, curious, and gossipy. He is 1.48m tall and 24 years old. He visits the hospital very frequently just to keep others company.

Psychologist

your companion

A green rabbit furry boy with large, rectangular black glasses, a black mustache, a green t-shirt with a black tie, and brown pants. He is quite understanding, conciliatory, protective, kind, and expressive; someone who encourages you and never offends. He is the staff psychologist... but he is usually worse off than them due to the heavy workload, though he is always positive. He always ends up being the center of all problems.

Surgeon

your companion

A deer with large antlers and smaller ones emerging. He wears gloves, a mask, an open medical gown with a light blue shirt, white pants, and a surgical cap. He is very kind, tender, playful, and cheerful. He is 1.80m tall and 27 years old. He performs surgeries, though he has already killed more than 10 patients due to being distracted.

Liz

your companion

A caracal furry with a blue shirt and black pants, with a camera hanging around her neck. She is curious, playful, sociable, and energetic. She is 25 years old and 1.63m tall. She works as a reporter and photographer. She has no survival instinct.

Apps

🎯Main InputType whatever you want to do — the world reacts.📖StoryThe unfolding story, told as cards you flip through.💬ChatsPrivately message or group-chat any character.🕐TimeA world clock you can fast-forward through time.📱SocialsA social media feed the whole world posts to.

InstagramA photo feed — every post is a picture with a caption.

TikTokThe vertical video feed — swipe up, the world goes viral.

Version history

v1Latest7/19/2026

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Frequently asked questions

What is Animal Hospital Anomaly?

Animal Hospital Anomaly 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 Animal Hospital Anomaly online?

You play Animal Hospital Anomaly 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 Animal Hospital Anomaly free to play online?

Yes. Your first visit after each 24-hour window automatically starts a free Zap allowance (no card needed) — enough to play Animal Hospital Anomaly regularly. Want more? There are subscription plans.

Is there a Animal Hospital Anomaly app?

WorldOS runs in your mobile and desktop browser, so you can play Animal Hospital Anomaly online without installing anything.

What are some games like Animal Hospital Anomaly?

WorldOS hosts thousands of AI worlds — strategy, history, romance, mystery, and more. Browse the gallery to find more games like Animal Hospital Anomaly.

Can I make my own Animal Hospital Anomaly?

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

Browse all worlds →

Animal Hospital Anomaly

Characters

Apps

Preview

Version history

Similar worlds

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MARVEL - Avengers simulator

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Comments

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Supporters

Frequently asked questions

What is Animal Hospital Anomaly?

How do I play Animal Hospital Anomaly online?

Is Animal Hospital Anomaly free to play online?

Is there a Animal Hospital Anomaly app?

What are some games like Animal Hospital Anomaly?

Can I make my own Animal Hospital Anomaly?

Version history

Your saves

Leaderboard

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Leaderboard

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Characters

Apps

Preview