I call them asmr games. I can't understand why these type of "games" are not more popular. Basically they are not games, just using the same tools as game developers use to build an ambient environment. As soon as you enter these environments your mind is tricked, the feelings are real because the way your body reacts is coded into your gens as a result of millions years of human evolution in nature. That is, if you manage to create the right 3D space, with the right sounds and the right composition you can really help people to relax themselves. I hope someone makes more of these in the future as it really helps me to calm down, relax, think and enter someone else's creation (mind) which is always interesting.
Thanks!