I primarily use Safari for Subeta, but one of the downsides has been that some of the sounds and music don't work in games. The games that I have specifically had trouble with are Pete Says and Subeku. The sounds and music do seem to work using Firefox. I have not tested Chrome.

MacOS Catalina - version 10.15.7 Browser: Safari - version 14.1.2 (15611.3.10.1.7, 15611)

This has been happening for at least a week now, if not longer.

Sound for Street Team is not working for me on Google Chrome Version 94.0.4606.71. I usually have my computer muted but I actually like listening to that music when I play the game and it's not working. I haven't checked other games yet but can if helpful.