I have several saves that serve different purposes, but I'm guessing my "General Gameplay" save file is maybe the biggest one because it's the longest running (a couple dozen households played in rotation with more being added as time goes on).
On the other hand, my two building save files (Vanilla Builds, CC Builds) are also quite huge because of all the heavily detailed built lots with oodles of decor, furnishings, landscaping, etc? I probably spend just as much time (if not more) in build mode as I do in live mode (I love building, renovating, and decorating). So technically speaking, those save files might be bigger?
The save files I spend most of my time in are:
- General Gameplay (my regular rotational game)
- Supernatural Only
- Vanilla Builds
- CC Builds
My other save files that I play off and on:
- Victorian/Edwardian
- Medieval/Prehistory
- Sci-Fi/Futuristic
- Apocalypse
- Townies Only Gameplay
- Fully Custom Gameplay (all pre-made townies deleted, all pre-made lots bulldozed)
- Vanilla Gameplay (for those inbetween times waiting for mods/cc updates)
- Testing Testing (for testing out new mods/cc and downloaded gallery stuff)
- Vanilla Game Template (a neverending work in progress)