Just created Made in Abyss world for VRChat. You don't need VR to visit it, but you will need a steam accont. It also works on Oculus Quest. Currently only 4 layers. :
VR Abyss: Sharks & Sea Worlds - Apps on Google Play
VR Abyss: Sharks & Sea Worlds - Apps on Google Play
theBlu - Luminous Abyss on Steam
Save 50% on 迷禁 Lost in Abyss on Steam
VR Abyss: Sharks & Sea Worlds:Amazon.com:Appstore for Android