1) My ears find the wave sounds quite unpleasant. Many other games here also have similar sounds in their music. And they bother me too. So this is my personal problem.
2) On the third level. Part of the floor near the wall opposite the exit.
1)im sorry, but i cant change it now, maybe later? Idk
2) yeah, i just needed to use diffeent models for the floor to make that hole that needs to be melted