This guide will let you know how to turn a ghost Sim back to human (Death By Flies) in The Sims 4.
1. If your sim died of swarms by flies, you can get them back from ghost to human. You will need to press CTRL+Shift+C altogether and hit enter on your keyboard to open the cheat box.
2. A white box will appear at the top left corner of the screen. Type in “testingcheats true” and hit enter to enable cheats.
3. Now type in “traits.remove_trait ghost_flies” and hit Enter on your keyboard. Press CTRL+Shift+C again to hide the cheat box.
4. You will see your sim get back to life.