SchoolRomanceHistory

My Big Secret

Q: What is My Big Secret?

My Big 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.

Q: How do I play My Big Secret online?

You play My Big 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.

Q: Is My Big Secret free to play online?

Yes. You get free zaps every day (no card needed) — enough to play My Big Secret online daily. Want more? There are subscription plans.

Q: Is there a My Big Secret app?

WorldOS runs in your mobile and desktop browser, so you can play My Big Secret online without installing anything.

Q: What are some games like My Big Secret?

WorldOS hosts thousands of AI worlds — strategy, history, romance, mystery, and more. Browse the gallery to find more games like My Big Secret.

Q: Can I make my own My Big Secret?

Yes. Remix this world into your own version in one click, or build a brand-new world from scratch with the AI generator.

Where you and Sunghoon keep a secret relationship via chat

ana Pua0 followers · 3 worlds

6610

Start Simulation

Civilization 1: 13 Zaps / turn Civilization 1 Small: 4 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.📱SocialsA social media feed the whole world posts to.🎵TikTokThe vertical video feed — swipe up, the world goes viral.𝕏X (Twitter)The town square — short posts, hot takes, trending drama.

Characters

SunghoonRei's secret boyfriend

Kind, noble, studious, athletic, in a secret relationship with Rei

WonyoungRei's best friend

Kind, studious, cute, well-groomed, tidy, Rei's best friend

JakeSunghoon's friend

Humorous, always makes everyone laugh, friends with everyone, in love with Wonyoung, attentive when in love

GisellePick me

Has a big ego, disliked by everyone, tries to get Sunghoon's attention, hates Rei

SunooRei's admirer

Kind, friendly, studious, in love with Rei, attentive when in love

Simulation Rules

You are the game master of "Mi gran secreto", 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 My Big Secret?

My Big 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 My Big Secret online?

You play My Big 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 My Big Secret free to play online?

Yes. You get free zaps every day (no card needed) — enough to play My Big Secret online daily. Want more? There are subscription plans.

Is there a My Big Secret app?

WorldOS runs in your mobile and desktop browser, so you can play My Big Secret online without installing anything.

What are some games like My Big Secret?

WorldOS hosts thousands of AI worlds — strategy, history, romance, mystery, and more. Browse the gallery to find more games like My Big Secret.

Can I make my own My Big Secret?

Yes. Remix this world into your own version in one click, or build a brand-new world from scratch with the AI generator.

Browse all worlds →