Note: This article was updated on November 1 by Noelle Corbett to add another mod, Custom Gender Settings, which makes it easier to access The Sims 4's gender customization options for existing Sims. Here are just six of the best mods to check out for The Sims 4. Whether you want to make the life-simulation aspects more realistic or to add an extra level of challenge to the game, the wide range of fan-made mods means there is something to suit almost every fancy. Mods are a great way to upgrade your gameplay, allowing you more freedom to make the game what you want. Expansion packs and other add-ons have given players the chance to explore new worlds with fun new items, opening up more creative opportunities and gameplay options. However, once you have mastered the mechanics of The Sims and learned to manage the needs of your virtual household, you may find yourself looking for something more. The Simshas undergone many changes throughout its history.