I think I'm an anomaly when it comes to FPS games, the Halo games made by Bungie are great but the new ones not so much and Halo Infinite is pretty terrible if you ask me (single player) and that is due to the complete lack of variety in the game, for the sheer amount of time it took to make that game I'd expect more varied locations, it actually baffles me how it took so long to make and still turned out the way it did.
Resistance 2 is my favourite of the Resistance games, dunno what it is with 3 but I didnt enjoy it anywhere near as much (In order I'd say 2, then 1, then 3).
Killzone 2 is the best of the Killzone games, although I don't actually mind Shadow Fall, but Killzone 1 is definitely the worst one by far.
I actually think that Destiny is better than all of them as far as gun play is concerned, and I'd probably even put Destiny 1 above Destiny 2, they have tinkered too much, I wouldnt care about some tweaking here and there but outright removing areas is messed up. I'd actually like to see Bungie do a single player FPS again, heck, do it as a spin off to Destiny if you like. And why make Marathon a PVP extraction shooter? (yes, I know, GaaS makes money)
COD I'm not a fan of as I prefer single player games, but what campaigns they have are usually forgettable except for their WW2 games which are usually pretty good.
Man, i bailed after Halo ODST, Reach for me was just...nope since i already had my Halo fill by then.
13 years pass and i finish both 4 and 5 on the XONE X : Didn't hate them but they failed to capture that Halo magic of yore - 2 years later i play Halo infinite on the XSX and...the less i say the better.
Anyway, this isn't a topic about Halo but KZ, and while i never was a big FPS fan and i mostly played the Halo games 'cause "online buddies on Xblive", i think that it's fair to say that Sony's efforts when it came to both Killzone and Resistance were a...direct response to Halo's success since it was massive back then and they wanted a piece of the proverbial pie, heck, i'd go as far as to say that the same thing happened with Uncharted since they wanted that piece from the 3rd person shooter pie (aka Gears of War) - it all felt so...reactionary and that's one of the reasons why i don't think highly of Sony from that era (i.e : way too "western"-type games especially after the magnificent PS2 era).
Destiny plays magnificently (i.e : the controls/aiming/shooting feel) but, we all know what happened there - MTX hell, repetition ahoy, becoming basically a 2nd job due to the grind etc etc.
Killzone was...bad
Killzone 2, well, they at least managed to create a very pretty game especially after all the hype of that BS trailer, gameplay wise though, for me, it was just mediocre, add the excessive input-lag on top of that and...(which btw, fans claimed that it was on purpose since it added "weight" to the whole shootbang - something which was obviously BS).
Killzone 3...played better IMO but, again, found it to be a completely forgettable FPS experience.
Killzone PS4 : guess it was pretty ?
The Resistance games were all kinds of mediocre IMO but at least had an interesting story.
Anyway, sorry for being off-topic
Cheers