It's actually a toy chainsaw, but it looks just as intimidating as a real one.
Guy gets Doom running on a chainsaw
He even went a step further and mocked up the video to the highest standards of 90's home video.
The Painsaw is playing Doom 2, purely for the speedy chainsaw pick-up, but the video's date stamp is the day that Doom released.
You can find out more about the project over on painsaw.rocks and get a non-fuzzy gander at it in all of its glory in the gallery below.