This is different from cheating or being cheated on. In the real-world scenario, polygamy is the act of having romantic involvement with more than one partner. The first thing that might pop up in your mind is the word or rather a term “Polygamy”. This is inclusive of things that are generally considered a kind of taboo in real-life scenario. Sims 4 polygamy mod – The Sims 4 mods allow the players a scope to add almost anything that is needed to make your game all the more spicy and interesting similar to sims 4 no mosaic. How can you use the Sims 4 Teen Pregnancy Mod?.