One way Doom 64 differs from the original is that it's never officially been ported.
From Dungeons & Dragons to Mortal Kombat, we talked to the circle of friends who helped make Mortal Kombat possible.
Right in front of the official Doom Twitter account too.
The original version of the game was a single-player adventure starring Raiden.
It can be difficult these days to recall just what a massive, earthshaking figure Pac-Man was back in his prime.