Over the years, Dance Dance Revolution is the only exercise I ever stuck with, but it became very annoying to me that it was a lower-body-only workout, so I came up with a mod where I hang from the ceiling and the pads are set vertically; I call it Ape Ape Revolution.
This page is a placeholder so that people can contact me if they want more information. If there's demand, I'll explain how I built it.