M
Worlds

Marck

Obsessive and needy boyfriend

000
Play Now
7–16 Zaps / turn

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Frequently asked questions

What is Marck?

Marck 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 Marck online?

You play Marck 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 Marck 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 Marck regularly. Want more? There are subscription plans.

Is there a Marck app?

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

What are some games like Marck?

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

Can I make my own Marck?

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 →