- A Fear emotion and customizable fears/phobias.
- A chemistry system and a way to set Sim attraction preferences and turn-offs.
- Memories system so that Sims can remember important moments in their lives and have those memories influence their behaviors.
- A flaws system to give Sims more realistic personalities.
- The default Happy mood changed to Fine.
- Consequences, believable enmity, and new animations and behaviors for Sims who don't get along.
- More Occults/Fantastical Beings/Superheroes done in the quality of Vampires.
- A trait randomizer in CAS.
- More meaningful traits.
- World editing tool.
