>>532470759
It's been like 20 years since I played it but I'm pretty sure it has huge issues with draw distance and pop in as do modern games. Does any open world game do it without problems?

>>532470912
I figured someone was gonna try this approach but it needs to triple the voxel count. Can modern PCs handle that?

https://github.com/s-macke/VoxelSpace
This sort of approach could also work.