A JavaScript ecosystem for making games
Write in JS, deploy everywhere via Unity.
import { render, Button } from "onejs-react"
import {
GameObject, PrimitiveType, Random, Rigidbody, Vector3
} from "UnityEngine"
function dropBall() {
const ball = GameObject.CreatePrimitive(PrimitiveType.Sphere)
ball.transform.position = new Vector3(Random.Range(-2, 2), 6, 0)
ball.AddComponent(Rigidbody)
}
render(<Button text="Drop Ball" onClick={dropBall} />, __root)TutorialsDocs
NameplatesDrive a 3D scene from JS and pin live nameplates on every character.
InventoryDrag-and-drop game UI with typed slots, smooth motion and live theming.
Steam ChartsA data app with fetch, async React state and vector bar graphs.
ThemingBuilt-in themes, your own brand theme, and the premade theme packs.
What we maintainGitHub
- OneJS3.9.18The Unity package. Runs TypeScript and React in Unity, on QuickJS or the browser's own engine.
- onejs-react0.4.5The React 19 renderer for Unity's UI Toolkit.
- onejs-ui0.0.6Themeable components for OneJS apps.
- onejs-unity0.11.3Build plugins: USS, CSS modules, Tailwind and imports from C#.
- onejs-sl0.9.3A small shader language, compiled to HLSL, WGSL and GLSL ES.
- unity-types6000.5.5TypeScript types for Unity 6000.5.
- ojplay0.14.3OJPlay from the terminal: build, run and test games.
- UnityMCP1.2.0Lets AI assistants work in the Unity editor, over MCP.
OJPlay alphaAll games
Fortnite HUDA Fortnite style HUD: shield and health bars, an inventory bar, and a panning minimap.
Overwatch HUDAn Overwatch style HUD: a segmented health bar, an ultimate meter that crackles when full, and abilities on cooldown.
On JuiceboxMore
- Saving Mass Effect would take $200m+, says BioWare co-founder eurogamer.net
- I Have Never Seen a Game Fail Because the Artists Were Too Slow productionalchemist.com
- About 250 unknown developers break through every year, same as in 2016. Five times as many try now. In 2015 a game that players liked had a 1 in 3 chance to reach 1,000 reviews. Now it is 1 in 10. reddit.com
- JIT bitmap text rendering for microcontrollers linebender.org
- Animation tutorial on how clothing folds and creases move, by @simodasketch Etherington Brothers on Bluesky