When comparing Doom vs Gradius, the Slant community recommends Doom for most people. In the question“What are the best and the most revolutionary games of all time?” Doom is ranked 2nd while Gradius is ranked 37th. The most important reason people chose Doom is:
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".
Specs
Ranked in these QuestionsQuestion Ranking
Pros
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 Fantastic soundtrack
The DOOM soundtrack is classic and it'll have you headbanging through the levels.
Pro Pioneered Networked Multiplayer
Doom was pioneering its immensely popular Networked Multiplayer mode.
Pro Unprecedented support for customizing the game
Pro Secret stages
Perhaps it’s the first arcade game having secret stages?
Pro Power-ups chosen during gameplay
The kind of power-up depends on the amount of power-up capsules collected, and the second button allows you to choose the desired one.
Cons
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.