Quake is pure. It does not burden itself with anything extraneous or unnecessary.
Defending lazy game design.
Its weapons are satisfying.
half of them are largely redundant and feel like shit. Steps back from Doom design.
Its enemies are challenging when used right by the level designer.
What's there is pretty solid but there is once again a marked decline from Doom:
-Vores, Shamblers and Spawns have to be used very rarely to avoid being annoying. These are the only high tier enemies and they're all dangerously close to being annoying unless used sparingly and with special unique placement.
-Less overall variety.
-Arbitrary rule that the game's zombiemen equivalent cannot be used in the gothic-themed maps which make up 95% of the game. Doom gave no fucks for such lame "realism".
Its movement is fast and precise.
Time to stop after moving is arguably too prolonged. There is minimal air control. Both reduce the fun and depth that could have been realised with the game's verticality and platforming. Otherwise perfection, yes.
It is perfect in its purity - there is only the map, and you explore it and shoot enemies until you've reached the end. All the challenge, mystery, and excitement comes from the core principles of FPS design, not from any quirky extraneous features like stealth or overly complex mission objectives.
Certainly needs no stealth. And there is indeed beauty in its simplicity, but Doom is overall the better game.
There is only you, your shotgun, and the HUNH as you jump.
"Dead simple" was one singular level in Doom. And short. A follow up game featuring dead simple design concepts was a little disappointing, to me.
Still, the game is for sure top 10 FPS of all time material, but #1? Doom or a build game for me, probably. Quake is really fucking good but I can't bring myself to rate it #1 due to the declined steps back from Doom.
Consider that your view of it has likely been skewed by years of fan-made user maps, Arcane Dimensions (which does pretty important shit like add much-needed new enemies) and whatever else.
Quake adding true 3D level design, proper mouselook, platforming and such was incline over Doom, but the arsenal and enemy lineup is one step forward and at least two back. Perhaps you shall witness what I mean when I finally get around to releasing the final iteration of my mod, as arsenal and enemy roster is largely all it focuses on.