Released in December of 1993 after an unbelievable amount of hype among PC gamers hooked up to the then-novel Internet, DOOM codified the standards of the nascent first-person shooter genre and was so popular that “Doom clone” was the way we described first-person shooters for years after its release. Gamers have put millions, if not billions of hours, into the title in the nearly 32 years since its launch, thanks to a virtual cornucopia of mods and user levels, but it’s pretty unlikely that many of…
