private void OnClick() { var array = PlayerPrefsExt.GetStringArray("mods", new string[0]); var list = array.ToList(); if (list.Contains(Mod)) { list.Remove(Mod); } else { list.Add(Mod); IncompatiableMods.ForEach(it => list.Remove(it)); } PlayerPrefsExt.SetStringArray("mods", list.ToArray()); }