HELIX 3 · one platform, two runtimes

Build a virtual world.
Ship it from a single link.

HELIX is the engine-agnostic virtual-world layer. Identity, the LIX economy, storage, inventory, social, and multiplayer — all through one unified SDK that works the same on the web and inside Unreal Engine.

Quickstart Read the docs
Platform API

Engine-agnostic. Auth, LIX, storage, inventory, social — documented once.

Web SDK

The canonical TypeScript contract. Includes web-only multiplayer & networking.

Native (Unreal) SDK

The same API in C++, Blueprint, PuerTS (TS) and UnLua (Lua).

CLI & AI tools

helix create / dev / deploy, plus an MCP server for AI agents.