At a glance
VRChat won’t run on a Mac: it is protected by anti-cheat Easy Anti-Cheat, which does not let it start on a Mac.
Steamstore
multiplayer, co-opmodes
fullcontroller
VRChat came out on Steam on 1 February 2017, made by VRChat Inc.
Why it will not run
The anti-cheat Easy Anti-Cheat blocks the game on Mac. Uncork settings cannot fix that.
Can you play on a Mac another way?
Only in the cloud — for example GeForce NOW, if the game is there.