when in michigan you should consider going to Frankenmuth, Mi. its the most visited tourist spot in the state. German heritage town. indoor water parks, fudge, food, zip lines, paddle boats, horse carriage rides and a bunch of other happenings.
over 250 mostly high end games on location with New sterns and JJP between 4 arcades as well. The Bavarian Inn lodge has 150 games alone, 5 pools and water slides. Shopping galore as well.