Rune

Spec sheet

What it does

Rune is a social gaming app for playing multiplayer HTML5 games together, with voice chat.Read 9 Oct 2026 · developers.rune.ai

Support

The docs direct developers to the Rune Discord server for questions about adapting an existing game.Read 9 Oct 2026 · developers.rune.ai

Maker

The official developer site identifies the company as Rune AI Inc.; its FAQ says Rune was founded by Bjarke and Sanjay, who had been PhD students together at MIT.Read 9 Oct 2026 · developers.rune.ai

AI API

Rune’s LLM prompt API is marked as a preview for developer testing, and the page says it is currently free to test.Read 9 Oct 2026 · developers.rune.ai

Creator Fund

Rune says developers can apply for the Creator Fund after their games reach 100+ hours per month and a 5% return rate.Read 9 Oct 2026 · developers.rune.ai

Development SDK

Developers can start a project with `npx rune@latest create` or add the SDK manually; the docs recommend a Rune template with Rune-specific ESLint and Vite plugins.Read 9 Oct 2026 · developers.rune.ai

Game frameworks

Games can use web frameworks such as React, Svelte, Vue, r3f, and PixiJS, and run in the Rune app’s WebView.Read 9 Oct 2026 · developers.rune.ai

Game infrastructure

Rune handles netcode, hosting servers, accounts and friends, voice chat, matchmaking, version mismatches, conflict resolution, and spectating.Read 9 Oct 2026 · developers.rune.ai

Game logic limits

Game logic must use a subset of JavaScript; actions must be synchronous, take under 10 ms, and use under 1 MB of memory.Read 9 Oct 2026 · developers.rune.ai

Game upload limit

The FAQ says an uploaded game should be under 25 MB when unzipped.Read 9 Oct 2026 · developers.rune.ai

Multiplayer technology

Rune runs game logic on servers and uses predict-rollback to sync play without developers writing game networking code.Read 9 Oct 2026 · developers.rune.ai

Supported game types

The docs list board, sports, co-op, strategy, simulation, physics-based, party, and arcade games as examples of supported games.Read 9 Oct 2026 · developers.rune.ai

Plans and prices

Every Rune plan and price →

Where Specifiction places it

• Game Voice Chat Software#20 of 227.3