Fun is an interesting metric, obviously subjective for everyone.
Single Player: Have to think
Multiplayer: Medal of Honor Allied Assault MOHAA
I was in a clan, played matches, was on ventrillo.... some really fun times.
I used the moniker Ares back then as well.
I will give my most enjoyable story from those days.
We did a snipers-only scrimmage against a rival clan.... 10 on 10.
All you got was a bolt-action sniper, and an empty pistol for melee if ammo ran out.
It was the V2 rocket facility.... Allied team, start in courtyard and go thru the facility to attack the control room and rocket.
We go in and my team gets fucking demolished, by the time I neared the control room I had killed 2, and it was down to me vs 6 opponents.
Eh **** it, right? I have no fucking chance, I was always mediocre with the sniper, so I will charge the objective, try to set it, and then see if I can kill any of them.
9 dudes on my team are dead and just watching from 3rd person observer, giving me advice.
One of them is a German dude, who speaks English, but with a thick German accent, this will come in to play shortly.
So I make my move.... 3 guys are defending the control room, I engage the first one and the other 2 rush in to swarm me.
There isn't much space, so I retreat back into a bigger room... we're all shooting and bunny hopping and leaning.
They follow me, I manage to kill one, and then run back towards the control room as another one comes rushing in from the catwalk outside.
It is back to 3 on 1, they have 5 guys.
Again with 3 dudes we're shooting in this confined space, and so I run into the control room and they follow.
I jump on the window sill, crouch, and jump to the catwalk outside where another of them is coming, and I pop him as he runs, now they have 4 guys.
I open the door and go back at the 3 guys inside, but now it is 4... the last guy comes in from where I had come in.
Now all 5 of us are in this confined area.... the whole time, leaning, shooting, bunny hopping like lunatics.
This time it works to my advantage.... one of them tries to shoot me and kills his buddy, back to 3 on 1.
I get a lucky shot and kill another of them, hopping in the air doing 360s and shit.
This is when the German guy screams into his mic, "DANCE ARES, DANCE!!!!!!!!!!!!!!!!!!"
Now I'm lmao, still trying to win... it is only 2 on 1.
I run into the control room, thru it, and out into the adjoining hall that leads to another catwalk.
I go out on the catwalk where you can look into the control room... one waiting for me to do it and tries to pop me, he hits me but im not dead... 4 health.
His buddy chased me, and as I lean back inside the hallway he comes thru the control room door and I pop him.
I immediately lean back outside and the last guy who shot me now hides in that adjoining small space.
I jump the catwalk into the control room window, then jump to the opposing catwalk and rush inside the confined space to surprise the last guy.... we get into a 1v1 sniper duel, leaning left and right trying to line up a shot.
After like 6 or 7 shots I hit him in the head and win the round.
The vent line erupts in cheers lol
Hands down the most fun I ever had playing an FPS or multiplayer in general.
And the clan we were playing was a top 5 clan... they were really good... I just had a horseshoe stuck up my ass for that one round.
Dance I did....