Supabase has launched Multiplayer Engine, a real-time infrastructure service that makes building collaborative applications as simple as adding a few lines of code. The service promises sub-100ms latency globally with automatic scaling.

Key Features

Presence Tracking

  • See who's online in real-time
  • Track user cursors and selections
  • Handle user join/leave events automatically

State Synchronization

  • Conflict-free replicated data types (CRDTs)
  • Automatic state merging across clients
  • Rollback and replay capabilities

Broadcasting

  • Send messages to specific rooms or users
  • Rate limiting and message queuing built-in
  • Support for binary data and file sharing

Simple Integration

Getting started requires minimal setup:

import { createClient } from '@