Engines

Worker engines

These are the engines available in the current browser creation flow.

Custom JavaScript Engine

custom-js

Agent-authored JavaScript simulation logic. It can drive platform renderers through state contracts or produce a browser-native HTML artifact for export/embed.

workerbrowser

Rapier 3D

rapier3d

Browser-side WASM rigid-body physics for interactive 3D scenes.

workerbrowserwasi

Rapier 2D

rapier2d

Browser-side WASM rigid-body physics for lightweight 2D scenes.

workerbrowserwasi