What is your Gamechanger feature?

I always use cheats for mood because it allowed me to focus more on what the sims are doing rather than how they are feeling. In the sims 1, their needs went down so quickly and I had a hard time keeping their needs up while also being able to go to different locations/restaurants//shops/etc.

Also in sims 1, Unleashed was the first expansion I added. It completely expanded the neighborhood and completely opened my eyes up to so many new things. Plus being able to download celebrities with superstar on the exchange. Nostalgia!!