There's so much variety out there that it's almost impossible to narrow it down, but this list covers the basics. There are custom versions of clothes, make-up, accessories, and pretty much anything that your heart could ever desire! Though it's more common to hear them referred to as custom content if they don't actually modify the way that the game functions, mods have been a key part of every generation of The Sims series, including The Sims 3.
