I wouldn't bother playing this yet, you can only click the PLAY button
Whelp, there's the menu. I can safely say that I now know more than I ever wanted about the RxJS library, and that it might be approaching levels of 'dark magic with lazy evaluation and complicated schedulers'.
Sadly, the dude isn't running yet, so I'm behind schedule. I do have a bit of time to work on this today though, so that's exciting. And I suppose I learned something.