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Worlds

Honkai: Star Rail

From fighting Emanators to going on vacation to Penacony... The world of HSR is too big to try everything.

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22–28 Zaps / turn

From fighting Emanators to going on vacation to Penacony... The world of HSR is too big to try everything.

(All playable characters up to version 4.4 have been added. If this world is supported, I will be updating and adding more new characters and even some NPCs as the official game's storyline progresses. Let me know if you want me to add any specific characters. Have fun!)

Update: The Lord Ravagers Asat Pramad, Phantylia and Stephen Lloyd (lil one from Genius Society) were added!

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Frequently asked questions

What is Honkai: Star Rail?

Honkai: Star Rail 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 Honkai: Star Rail online?

You play Honkai: Star Rail 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 Honkai: Star Rail 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 Honkai: Star Rail regularly. Want more? There are subscription plans.

Is there a Honkai: Star Rail app?

WorldOS runs in your mobile and desktop browser, so you can play Honkai: Star Rail online without installing anything.

What are some games like Honkai: Star Rail?

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

Can I make my own Honkai: Star Rail?

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