Let me guess, it's drive is to to have you do constant fetch quests where you find phallus-like items while you have an annoying character following you around making unfunny puns all the while you have bad game design and horrible plot devices butt-loving you
There's just nothing about family guy that would provide ample substance for even a video game, to say the least. It's just another attempt to milk the franchise that's been deteriorating since day one.