A Few Observations/Opinions Regarding Games, Videos and Speeches
I firmly believe that it depends on the demographic, but have found games to be the number one annoyance during my experience. So much so, that I stopped them completely after my 5th year in the business which then became an effective selling point for me. Videos should be run on a silent loop and unless someone is a great speaker or storyteller, speeches should be left short and sweet.
Right out of the gate, guests can expect to be organized participants for the ceremony, entrance, first/parent dances, toasts and cake. From that point on, many people would welcome a free-form format of good music, socializing and tasty beverages.
If they don't fare well on their own, then by all means give the routines a shot. Other than that, don't try to fix what isn't yet broken.