TL;DR
Yuanzai World is a mobile app from Hangzhou Yuanzai Artificial Intelligence Application Software Co., Ltd. that promotes LLM-powered role-playing with branching world-lines, time-and-space exploration and cooperative features called 'World Seed.' The app is listed for iOS and Android and includes screenshots and a game trailer on its site.
What happened
Yuanzai World launched a public-facing site describing an app that presents large-language-model (LLM) driven role-playing experiences emphasizing branching world-lines and time travel motifs. The site highlights core features such as 'Infinite Exploration,' the ability to 'Change the World' by altering facts or worldline dynamics, anchoring user input in time and space, and a social element called 'World Seed' for sharing progress with friends. The project provides screenshots and a game trailer, and lists platform compatibility for iPhone and iPad running iOS 13 or later and Android devices running Android 7 or later. The site identifies the publisher as Hangzhou Yuanzai Artificial Intelligence Application Software Co., Ltd. and displays an ICP registration number (Zhejiang ICP 2025163571). App download links for the App Store and Google Play are presented on the site.
Why it matters
- LLM-driven RPGs could expand interactive storytelling by enabling dynamic, branching narratives tailored to player inputs.
- Mobile availability on both App Store and Google Play makes the experience accessible to a broad audience of smartphone users.
- Shared mechanics like 'World Seed' suggest social or cooperative elements that may affect how players create and explore persistent story states.
- Presence of an ICP registration and company information provides basic transparency about the publisher's legal registration in China.
Key facts
- Product name: Yuanzai World (site branding 'Explore infinite time and space, change the world').
- Developer/publisher: Hangzhou Yuanzai Artificial Intelligence Application Software Co., Ltd.
- ICP registration: Zhejiang ICP 2025163571.
- Platform compatibility: iPhone and iPad with iOS 13 or later; Android devices with Android 7 or later.
- Distribution: Site lists download links for the Apple App Store and Google Play.
- Core features described: Infinite Exploration, Change the World, Anchor in Time and Space, and World Seed.
- Media on the site: screenshots and a game trailer are available to view.
What to watch next
- Availability and regional rollout details on the App Store and Google Play as reflected in each store listing (confirmed on the site, but precise regional availability not detailed).
- not confirmed in the source: pricing model, in-app purchases or subscription details.
- not confirmed in the source: data handling, privacy policy specifics, and how the app uses hosted LLMs or user data.
Quick glossary
- LLM: Large language model: a machine learning model trained on large text datasets to generate or understand natural language.
- RPG: Role-playing game: a genre where players assume characters and make choices that affect story, progression, or world state.
- World-line: A narrative concept describing a specific sequence of events or timeline within a fictional universe; branching world-lines refer to diverging story paths.
- App Store / Google Play: Official mobile app marketplaces for iOS and Android devices through which users can download applications.
- ICP record: An Internet Content Provider registration number issued by Chinese authorities for websites hosted in China.
Reader FAQ
Who makes Yuanzai World?
Hangzhou Yuanzai Artificial Intelligence Application Software Co., Ltd., as listed on the product site.
Which platforms is the app compatible with?
The site lists compatibility for iPhone and iPad with iOS 13+ and Android devices with Android 7+.
Does Yuanzai World use large language models (LLMs)?
The product is presented as an LLM-driven RPG in its announcement/title and on the site, indicating the use of LLM technology.
What are the app's costs or monetization details?
not confirmed in the source
Skip to content Yuanzai World Main Navigation Home Features About Us Join Us Yuanzai World Explore infinite time and space, change the world Download on App Store Get it on…
Sources
- Show HN: Yuanzai World – LLM RPGs with branching world-lines
- GENErating and Visualizing branching narratives using LLMs
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