MetaWorld

The official wiki for MetaWorld can be found here.

MetaWorld is a virtual reality game for the Oculus Rift, HTC Vive, Playstation VR, Google Daydream, and Samsung Gear platforms.

Official Summary
MetaWorld invites you to experience a 10,000 square mile, massively scaled open world in virtual reality. Discover endless activities and adventure, inside a persistent, open world simulation, allowing thousands of visitors to participate simultaneously online.

Join us, and pioneer a first of its kind, vast-scale social VR MMO simulation experience.