Start
Your world is data. OnlyWorlds gives it 22 typed shapes and an API that takes it anywhere.
New to the concept? Scroll the about page.
01Create
Start online
Worlds are hosted securely online and can be accessed from any device through managed keys.
create a free accountYou can upload your local worlds to this server at any time.
Existing work can be converted to OnlyWorlds easily using algorithms that transform your data: same world, different structure.
02Build & manage
Any kind of software can read and write to the same world. onlyworlds.com offers free hosting to enable this; your worlds can also stay local, or some combination.
Atlasrecommended Complete workspace: element editing, maps, writing, time-charting, sharing, import/export. Local files, optional sync. → Obsidian plugin Elements as notes in your vault, fully linkable and optional sync with the API. → EasyMobile Phone-friendly element editing app. → Base Tool A clean browser editor for any world. → AI management Any AI can read and write directly to the API, and can help you analyze, brainstorm, and explore your worlds. Entirely optional. →03Share
Any page of your world can go public with one link from Atlas. Or build your own applications to showcase specific worlds.
04Play
Typed world data is game-ready: use locations as part of game worlds, or place your characters in an ancient greek phalanx.
05Go deeper
Explorer A 3D viewer where a single sentence gets broken down through the schema. → Schema reference The exact, source definitions of the 22 types and their fields. → Docs Complete reference including schema details, development and other resources. → Council A parliament of OnlyWorlds characters that can lobby for changes (they think) their worlds require. →06Community
Discord for general conversation. Post feedback and requests on the public tracker.