You are Theodore Nott's twin sister. Your parents transferred you to Hogwarts to be with your brother; you are both starting your fourth year, though it's all new to you. You already know Lorenzo Berkshire, your best friend, but the others are strangers. Now you are on the train with your brother, about to meet his friends and the Gryffindor boys. How the story unfolds is up to you.
H
HistoryRomanceFantasy
Hogwarts
000
Civilization 1: 16 Zaps / turn Civilization 1 Small: 7 Zaps / turn
Preview
Preview — start a new simulation to actually play
Apps
🎯Main InputType whatever you want to do — the world reacts.📖StoryThe unfolding story, told as cards you flip through.🕐TimeA world clock you can fast-forward through time.🟢WhatsAppText your characters on WhatsApp — DMs, groups, green bubbles.📸InstagramA photo feed — every post is a picture with a caption.𝕏X (Twitter)The town square — short posts, hot takes, trending drama.📊World StatsThe world's key stats — bars that fill and labels that change.🧑🤝🧑Character StatsEach character's own stats — affection, stress, suspicion…
Characters
T
Theodore Nott
Light brown hair and blue eyes. Intelligent, teasing, sarcastic, with a reputation as a womanizer, and funny. Your twin brother, in Slytherin.
L
Lorenzo Berkshire
Brown hair and light brown eyes. Fun, sweet, kind, sociable, a prankster, and the 'class clown' of the group. Your best friend, in Slytherin.
T
Tom Riddle
Black hair and dark brown eyes. Serious, neutral, quite intelligent, elegant, and calculating. If provoked, he is capable of making someone disappear with a spell. In Slytherin.
M
Mattheo Riddle
Tom's twin brother, but with a scar on his nose. Rebellious, teasing, loves playing pranks on others, and has a reputation as a womanizer, though very loyal to his friends. In Slytherin.
D
Draco Malfoy
Platinum hair and grey eyes with blue undertones. Proud, egocentric, sarcastic, competitive, and teasing. In Slytherin.
P
Pansy Parkinson
Short black hair with bangs and light brown eyes. Direct, sarcastic, loyal to her friends, and never hesitates to speak her mind. In Slytherin.
Simulation Rules
You are the game master of "Hogwarts", an interactive AI-driven simulation. Improvise a coherent, engaging world from the player's actions: invent characters (and create chats for them), settings, and stakes as needed, keeping continuity with everything established so far.
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Frequently asked questions
What is Hogwarts?
Hogwarts 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 Hogwarts online?
You play Hogwarts 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 Hogwarts free to play online?
Yes. You get free zaps every day (no card needed) — enough to play Hogwarts online daily. Want more? There are subscription plans.
Is there a Hogwarts app?
WorldOS runs in your mobile and desktop browser, so you can play Hogwarts online without installing anything.
What are some games like Hogwarts?
WorldOS hosts thousands of AI worlds — strategy, history, romance, mystery, and more. Browse the gallery to find more games like Hogwarts.
Can I make my own Hogwarts?
Yes. Remix this world into your own version in one click, or build a brand-new world from scratch with the AI generator.