Thanks for the feedback! We tested a lot the WebGL version but, as we said, it has undefined behavior from machine to machine. And we honestly didn't have the time to find a fix to that.
Speaking of the radio, if you want a hint:
The radio has a channel with some precise sounds! Try to solve that puzzle! And there is another hint that refers to the radio and which is needed for solving one of the main puzzle!
Have fun ❤️