Since a lot of games have a roguelike or roguelite element in them, I considered adding that as continued practice. I think it could add an interesting aspect, I might try that.
I realize (kind of late) that sometime I was getting an out of memory access out of bounds error in the browser.
Turns out that because of the renaming of some image file resources, the reference to them was broken but it was only obvious in the Web build, not locally.