Updated on the 13th of March, 2020 by Anastasia Maillot: Thanks to the amazing modding community, the limits of The Sims 4 CAS mode are constantly being pushed further and further. RELATED: The Sims 5 Multiplayer: 4 Features We Want (& 4 We Don't) If you want to change your Sims 4 experience but only from a visual standpoint, you definitely need to give these impressive mods a try! 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.