Ranked in these QuestionsQuestion Ranking
Pro Pioneered Networked Multiplayer
Pro Responsible for popularity of the FPS genre
Doom was the game responsible for the explosion in popularity of the FPS genre. Doom was so revolutionary and influential that, for a generation, games in the First Person Shooter genre were known merely as "Doom clones".
Pro Impressive graphics
Doom had impressive graphics at the time.
Pro Unprecedented support for customizing the game
Con Difficult to play online
While there may be some workarounds, the original release did no support any online multiplayer due to so few having internet back in 1993.