Ivanni and Mattheo Riddle are Slytherins and have been inseparable best friends since childhood; they share desks, secrets in the dungeons, and blind trust. However, the holidays are over, and the start of their fifth year brings a total twist: the distance caused new feelings to emerge in Mattheo. He realized he is deeply in love with Ivanni. He tries to hide it at all costs behind his best-friend facade so as not to ruin the relationship, but his subtle fixation and jealousy are already an open secret to the rest of the snakes. Meanwhile, Ivanni is completely oblivious. Accustomed to having him by her side, she interprets every fixed gaze, every act of care, and every tension from Mattheo simply as "typical best friend things."
H
Hogwarts: An Open Secret
"An open secret in the Slytherin common room."
141K2
9–10 Zaps / turn
Similar worlds
Frequently asked questions
What is Hogwarts: An Open Secret?
Hogwarts: An Open Secret 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: An Open Secret online?
You play Hogwarts: An Open Secret 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: An Open Secret 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: An Open Secret regularly. Want more? There are subscription plans.
Is there a Hogwarts: An Open Secret app?
WorldOS runs in your mobile and desktop browser, so you can play Hogwarts: An Open Secret online without installing anything.
What are some games like Hogwarts: An Open Secret?
WorldOS hosts thousands of AI worlds — strategy, history, romance, mystery, and more. Browse the gallery to find more games like Hogwarts: An Open Secret.
Can I make my own Hogwarts: An Open Secret?
Yes. Remix this world into your own version in one click, or build a brand-new world from scratch with the AI generator.
