These community-created tools are the most effective way to deepen Sim behavior:
: Adds over 200 new interactions and assigns Sims one of 14 "personality archetypes" (like Aesthetic Perfectionist or Love Cynic) that influences their social life and moods.
To give your Sims more personality, you can use a combination of gameplay mods, custom traits, and in-game cheats to bypass the standard three-trait limit.
: A massive collection by creators like Vicky Sims that adds unique animations, buffs, and relationship influences without requiring any DLC. How to Install Mods