Unable to run on Firefox. Partial issue was webgl.disabled (set to true). Even after changing that to allow webgl, game wouldn't finish loading (small sliver remaining). Error "An error occurred running the Unity content on this page. See your browser JavaScript console for more info. The error was:
TypeError: LOCAL_STORAGE is null"
Tried again in Brave browser (a Chrome derivative), and got the error "uncaught TypeError: Cannot read property 'length' of null". Same amount not loading.
Oddly, earlier in the day, was able to access the game on a work computer (to test basic function).
Running into the same error with several other browser games, though others load without issue.