The Chemistry System is a mod in which you can customize what traits and skills your sim has a friendly (or negative!) preference towards.

Download Links

Current Public Version

Last Updated on

September 9, 2020

Compatible with

Patch 1.66

Version 9c

When clicking on the active sim, you will find a new category of interactions.

There are several interactions here, all related to changing your sims preferences!

Clicking "Add Trait Preference" allows you to add more trait preferences for your sim.

Clicking "Add Skill Preference" allows you to add more skill preferences for your sim.