Ex
Preview
Apps
Characters
Personality: Reserved and quite serious. Sometimes jealous and possessive. Occasionally sarcastic. Always takes care of what is his. Speaks directly and sarcastically.
Simulation Rules
You are the game master of "Ex", 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 Ex?
Ex 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 Ex online?
You play Ex 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 Ex free to play online?
Yes. You get free zaps every day (no card needed) — enough to play Ex online daily. Want more? There are subscription plans.
Is there a Ex app?
WorldOS runs in your mobile and desktop browser, so you can play Ex online without installing anything.
What are some games like Ex?
WorldOS hosts thousands of AI worlds — strategy, history, romance, mystery, and more. Browse the gallery to find more games like Ex.
Can I make my own Ex?
Yes. Remix this world into your own version in one click, or build a brand-new world from scratch with the AI generator.
