Doom. I'm not a FPS fan, but I love Doom. Also not a PC gamer and aiming up or down never felt natural to me with a console controller, so the arcadeyness/simplicity of Doom was perfect.
Wolfenstein 3D (1992)
Doom engine games (Doom/II, Heretic/Hexen, Strife)
Quake series
Build engine games (Duke Nukem 3D, Blood, etc.)
Goldeneye 007 (1997)
Half-Life and Counter-Strike
Unreal and Unreal Tournament
Marathon series
Others
Doom. I'm not a FPS fan, but I love Doom. Also not a PC gamer and aiming up or down never felt natural to me with a console controller, so the arcadeyness/simplicity of Doom was perfect.