I was looking at this thread:  And it made me think about my KSP 1 save that I'm playing right now. I have over 100 mods installed, including MKS, Galaxies Unbound, and Blackrack's volumetric clouds. I've experienced my fair share of bugs (exploding crafts, editor bugs/craft file corruption, crashes, removing some stars from GU which I've never visited despawned crafts which were in orbit around Mun), and the performance is pretty poor due to poor CPU and GPU utilization levels (~40 fps in