R
Worlds

Ruins

A rookie meets a veteran detective

1370
Play Now
8–13 Zaps / turn

A rookie is in his first month at the precinct and is assigned to a high-ranking detective. Can he keep up?

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✧ Obsessive Nerd ✧

Obsessive Nerd (｡・//ε//・｡)

Frequently asked questions

What is Ruins?

Ruins 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 Ruins online?

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

Is there a Ruins app?

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

What are some games like Ruins?

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

Can I make my own Ruins?

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 →