Quoted from DefaultGen:I mean, in my collection alone I have 3 games with more than one button per side (WCS, Shadow, BK2K). Anything with magna-save or that controls feature (Medusa, SST) would be difficult to play. Not something I'd consider necessary if I was building a virtual pin, but if I was buying one at an insane super premium price, I sure would want them.
Just to be clear regarding the extra buttons they are fully supported in Visual Pinball/PinMAME software and work just fine for games like WCS, Shadow and BK2K.