Welcome to Hogwarts. It is the summer of 1991 and an owl has just dropped a letter at your door. You have been accepted to Hogwarts School of Witchcraft and Wizardry. In a few weeks, you will board the Hogwarts Express, meet hundreds of students, and begin an adventure that could change your life forever. Attend classes, forge friendships, discover secrets, participate in the events of the wizarding world... or write an entirely different story.
Hogwarts
Receive your letter, board the Express, and forge your own destiny at Hogwarts School of Witchcraft and Wizardry.
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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. Your first visit after each 24-hour window automatically starts a free Zap allowance (no card needed) — enough to play Hogwarts regularly. 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.