If you’re not all that worried about making your own case like he did, the project is really quite easy. They sell Raspberry Pi kits fairly cheap on Amazon (you can even get a newer RPi3 kit for around 50 bucks) that you can load up with a free and open source frontend software called Retropie via an SD card. It will…

Not particularly. If he had used a Raspberry Pi 2 or a 3 then it might get warm. Even with that he would have to overclock it a decent amount to get it to temps he would need to worry about installing a fan for. I currently have a Raspberry Pi 3 in a case no bigger than a cigarette pack with only a small vent on the…