They will be able to perform special actions and be more diverse.A sim with a bigger variety of traits will have more opportunities in life.Let me tell you why you need a mod that unlocks more traits: Traits are used to create your unique sim and it sets them apart from other sims. The Sims 3 franchise has many game packs and expansion packs that will guarantee an amazing playing experience, but why not take it to the next level with these amazing mods? Read more to discover why you need mods to have the entire gaming experience.