The Extreme Violence mod for Sims 4 unleashes what its name promises: unbound violence. Screengrab from Sims 4 Extreme Mod (Image via EA/ Sacrificial Mods) Another mod from them also introduced a fame system, well before EA released the Get Famous expansion pack. This group of modders is credited for several popular releases in the past, including an immersive and detailed mod that depicts realistic events of a zombie apocalypse. Recently praised as one of the most popular Sims 4 mods, Extreme Violence is developed by Sacrificial Mods, a well-known name in Sims 4’s bustling modding community. Sims 4 Extreme Violence Mod: Key Features.How To Install The Sims 4 Extreme Violence Mod.What Is The Sims 4 Extreme Violence Mod?.