I’m making Thelema engine - 3d graphics engine in Kotlin. It was based on libGDX sources.
I also develop Kotlin/Multiplatform module. And now Thelema works with Kotlin/JS and Kotlin/Native. Currently there is no klib for multiplatform, just sources (thelema-kx module in repository). And I tested it only on linux.
You can see supported features here: