The Hogwarts Express is departing once more. It is September 1st, 1994. After an entire summer at home, surrounded by your siblings while your parents were busy with work, you are finally back at King's Cross. Platform 9 3/4 is once again filled with trunks, owls, and farewells. Among the crowd, a familiar face catches your eye: your best friend is waiting for you by the Hogwarts Express. Months have passed since you last saw each other, and before boarding the train, you have so much to catch up on. This won't be just any year. The castle holds new secrets, old rivalries, and a school year that will mark the beginning of the most important years of your life. What happens from now on is up to you. Your friendships, your decisions, your reputation, and the path you choose will write your story from fourth through seventh year. 🚂 Live it day by day — classes, training, homework, trips to Hogsmeade, nights in the common room, and conversations on the Express. 📚 Notes, attributes, and points — improve your skills, pass your exams, earn points for your House, and manage your Galleons. 💞 Strengthen your bonds — make new friends, keep your old ones, or find someone special. 🦉 Letters, owls, and rumors — stay in touch with your friends, uncover secrets, and follow news from the magical world. 🐍 Choose your own path — participate in the great events of Hogwarts or live a completely different story. Win: graduate in your seventh year, pass your O.W.L.s and N.E.W.T.s, protect those you care about, and leave your mark on the history of Hogwarts. Lose: get expelled, leave school before graduating, or let your choices destroy the future you could have built.
Hogwarts "Year 4"
After spending the whole holiday looking after your siblings, you are finally returning to Hogwarts with your friends.
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Frequently asked questions
What is Hogwarts "Year 4"?
Hogwarts "Year 4" 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 "Year 4" online?
You play Hogwarts "Year 4" 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 "Year 4" 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 "Year 4" regularly. Want more? There are subscription plans.
Is there a Hogwarts "Year 4" app?
WorldOS runs in your mobile and desktop browser, so you can play Hogwarts "Year 4" online without installing anything.
What are some games like Hogwarts "Year 4"?
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Can I make my own Hogwarts "Year 4"?
Yes. Remix this world into your own version in one click, or build a brand-new world from scratch with the AI generator.