Hey what is your favorite First Person shooter

My favorites are:

Wolfenstein3d

Rise of the Triad

Doom( all of them)

Duke Nukem 3d

Redneck Rampage

witchaven

heretic and hexen series

blood

FEAR

Quake 3

Unreal Tournament series

Soldier of Fortune

Star Wars Jedi Outcast and Academy

Star Wars Republic Commando

Marathon 2

Doom 3

Farcry

Alien vs. Predator 2

Serious Sam the first encounter ( have not played the Serious Sam 2 game but I heard its awesome)

Counterstrike: Condition Zero

Delta Force series

Theres many more I would like add but I forgot them right now