Seems like you twisted your story to make it sound like you don't have a lot of time or energy to exercise with the family because /poor you/ has to cook and clean and manage the house while your husband gets to do all the /fun/ things. But that's not the case, is it? You must have the time and energy if you can play so many online games.
Btw, I don't know how you define "regular".. Most parents I know make sure their kids get some form of physical activity.