Reactor Multiplayer Engine

Multiplayer For Big Ideas

Extreme Bandwidth Efficiency

Bring bigger worlds to life as real-time network traffic analysis optimizes bandwidth usage during runtime to maximize bandwidth efficiency, reducing costs while allowing for bigger and richer online experiences. Reactor is second-to-none against modern multiplayer frameworks and systems.

Full Physics and Immediate Consistency

Take advantage of fully synchronized, server-driven physics using Scriptable Rooms are fully reconciled with automatic local prediction on the client, making the experience smooth for your players. Simulations are synchronized with immediate consistency, providing the best possible response at high fidelity.

Unlimited Scale

Easily handle thousands of CCUs in single rooms, and scale beyond that by employing multiple rooms in any combination of topologies. Scale to massive crowds in massive worlds.

Learn More

Download the free Local SDK

Reactor Cloud Pricing