VRChat

VRChat is a free-to-play social VR game developed and published by VRChat Inc. The game was initially released on February 1, 2017, and is available for the Oculus Quest and Microsoft Windows.

So far, MrBeast and the crew have only made a single video on this game on the gaming channel, titled I Hosted A $50,000 Talent Show!. It is possible that they'll make another video on this game in the future.