Reactor Multiplayer Engine is a full server-authoritative multiplayer system. It provides integrated hosting, an orchestration API, and is capable of syncing worlds with thousands of dynamic objects in a single simulation over 10x more efficiently than any other system available. It is designed to minimize the costs of bandwidth and operations, while being easy to use. No networking or server administration expertise is required. Whether building a simple multiplayer card game or a full scale MMO, Reactor is the most efficient high-performance solution available.