Fallout 4's workshop mode was mania-inducing. lol I sank whole months into reworking Sanctuary Hills into a resto-mode. lol Had like three of the houses completely rebuilt, and over 5K static objects in that cell alone.

...found out the game engine doesn't like that many static objects in one cell. lol Plus, there was the whole mess with Bethesda baking all the background objects into the previs, and you'd break it if you used mods like Spring Cleaning that got rid of them...