MC Command Center is so big, it has been divided in multiple modules for your convenience. If there’s anything you’d like to tweak from the way The Sims 4 behaves – the MC Command Center mod can do it. It comes with multiple options that tackle different functionalities: adjusting household bills, pregnancy behavior, time settings and many story progression mechanics. It’s purpose is to expand the functionalities and story progression within The Sims 4. MC Command Center (or Master Controller Command Center, MCCC) is probably the greatest mod for The Sims 4.