Just downloaded on my macbook pro but I couldn't play since I got this error right away:
Oops! An unexpected error has occurred.
Uncaught Error: EROFS: read-only file system, open './/settings.vndata'
File: fs.js@663:18
Stack trace:
Error: EROFS: read-only file system, open './/settings.vndata'
at Object.fs.openSync (fs.js:663:18)
at Object.fs.writeFileSync (fs.js:1314:33)