By the end of next year, the original Doom game will officially be three decades old. However, despite its age, it will be a long time before its legacy will be forgotten. The fact that it's one of the most genre-defining FPS games in history means that it probably won't fade into obscurity for a long time, if at all. To this day it's still influencing other titles, and over the years, it's been the subject of experimentation as people try to get it to run on all kinds of wacky devices, including this one.