I don't know if this helps but the game works on Safari, but not on Edge or Chrome. The only problem on Safari is that it takes too much memory and the tab therefore reloads after a little while. Additionally, on Safari, it seems to be able to play .webm audio files just fine but fails to play .ogg .
I have updated Chrome to the most recent version but it still fails to load the game after the Construct 3 loader is finished.
Lastly, the error messages seem to come from failing to load images. "Failed to load resource: net::ERR_FAILED" followed by a line of characters and the name of the image is very common. Additionally, many say "Error loading resource: TypeError: Failed to fetch" followed by "c3runtime.js:1080".
Does this info help in figuring out the problem?