Proving that nearly anything can be done in Minecraft, a user has uploaded a video showing the original Doom running in Mojang's open-world sandbox title. It truly is a game that always has something new to discover and is probably the reason why so many people keep returning to the blocky world. Despite coming out in 2011, or 2009 if people count the very early versions of the game, it seems millions around the globe are still finding new things to create.