SNES a quattro giocatori
[Mr.X] added support for four controllers to his Super Nintendo (Google translated) by internalizing the multi-player adapter. In the video after the break you’ll notice that he also added some bling to the case by positioning the power LED beneath the logo and adding a two-digit display.
Più che un DIY forse è un hack, in ogni caso è un epic win…
[spoiler]
Via Hack-a-day