We've seen so many different ways to play the original DOOM over the years: computers, cell phones, smart refrigerators, thermostats, and now how about with a rotary phone!
Canadian computer engineer Greg Smith took to Reddit to show how he turned an old-school phone into a video game controller and you can actually play DOOM with it. It's a pain in the butt, and Greg said that he doesn't recommend it, but he did it!