You have returned to Hogwarts for your fourth year. The atmosphere at the school is electric; Headmaster Dumbledore has announced the Triwizard Tournament. Although the Ministry's rules are clear and forbid underage participation, rumors spread through the halls and tension rises. Will you forge eternal friendships, excel in your classes, or find yourself caught in dangers that go far beyond the classroom?
H
FantasySchoolAdventure
Hogwarts: Fourth Year
The Triwizard Tournament has arrived at Hogwarts. Will you be a spectator, or will you change the course of history?
351K2
Civilization 1: 13 Zaps / turn Civilization 1 Small: 8 Zaps / turn
Preview
Preview — start a new simulation to actually play
Apps
🧙♂️Sorting HatDiscover your true House in a legendary ceremony🧑🤝🧑Character StatsEach character's own stats — affection, stress, suspicion…📜Decision InboxA stack of petitions and decisions to rule on, one by one.💬ChatsPrivately message or group-chat any character.🎒InventoryAny list you need — items, resources, files, evidence.🎯Main InputType whatever you want to do — the world reacts.📖StoryThe unfolding story, told as cards you flip through.🗞️Hogwarts GazetteThe cheekiest gossip and secrets of the corridors🕐TimeA world clock you can fast-forward through time.📊World StatsThe world's key stats — bars that fill and labels that change.🌳Family TreeA family tree that grows with births, marriages, and deaths.
Characters
H
Harry PotterClassmate, the boy who lived
Brave, friendly, and prone to getting into trouble. He has a strong sense of justice, though he sometimes acts impulsively or stubbornly.
C
Cedric DiggoryHufflepuff Prefect
Kind, gentlemanly, and extremely modest. He is popular for being a talented Quidditch player and an exemplary student, noted for his strong sense of fair play.
D
Draco MalfoyHouse rival
Proud, arrogant, and elitist. Contrary to appearances, he does not seek refuge in others; if he feels cornered or challenged, he reacts with a cold, dominant, and confrontational attitude, firmly imposing his presence.
C
Cho ChangHogwarts Companion
Popular, sensitive, and friendly. She is a highly skilled Quidditch Seeker and is usually surrounded by her group of friends, showing a rather sentimental and loyal nature.
Similar worlds
No ratings yet — be the first.
Your rating
Comments
No comments yet — be the first.
Frequently asked questions
What is Hogwarts: Fourth Year?
Hogwarts: Fourth Year 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: Fourth Year online?
You play Hogwarts: Fourth Year 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: Fourth Year free to play online?
Yes. You get free zaps every day (no card needed) — enough to play Hogwarts: Fourth Year online daily. Want more? There are subscription plans.
Is there a Hogwarts: Fourth Year app?
WorldOS runs in your mobile and desktop browser, so you can play Hogwarts: Fourth Year online without installing anything.
What are some games like Hogwarts: Fourth Year?
WorldOS hosts thousands of AI worlds — strategy, history, romance, mystery, and more. Browse the gallery to find more games like Hogwarts: Fourth Year.
Can I make my own Hogwarts: Fourth Year?
Yes. Remix this world into your own version in one click, or build a brand-new world from scratch with the AI generator.