Syntensity is an open source platform for 3D games of all kinds

NOTE: Syntensity is no longer being actively developed. However, members of the community are working hard on a fork called OctaForge. Check it out!

Syntensity is a permissively licensed (MIT) multiplayer 3D game engine, which lets you create 3D games of all kinds in an easy, multiplayer manner.

syntensity.com, this website, also functions as a hub for development of games using Syntensity, letting you easily play new games and share your own games with others.