November 5, 2019 Subject:
This is an old version of the game
This game is still being updated. The latest version, which was out for most of a year at the time of this upload, features a host of improvements including support for additional headsets and native versions for OS/X and Linux.
If you enjoy what you play here, awesome - but be sure to check the official site for updates and maybe grab a download copy for your own PC. (It's free!)