Oh my goodness... Sigh.
DOOM (MS-DOS)
DOOM (PC)
DOOM (Mac)
DOOM (SNES)
DOOM (Sega 32X)
DOOM (Atari Jaguar)
DOOM (3DO)
DOOM (PS1)
DOOM (Sega Saturn)
DOOM (Xbox)
DOOM (GBA)
DOOM (Xbox 360)
DOOM (PS3)
DOOM (iOS)
QUAKE (MS-DOS)
QUAKE (Mac)
QUAKE (Linux)
QUAKE (AmigaOS)
QUAKE (Sega Saturn)
QUAKE (N64)
Duke Nukem 3D (MS-DOS)
Duke Nukem 3D (PC)
Duke Nukem 3D (Mac)
Duke Nukem 3D (Linux)
Duke Nukem 3D (Mac OSX)
Duke Nukem 3D (PS1)
Duke Nukem 3D (Sega Saturn)
Duke Nukem 3D (N64)
Duke Nukem 3D (Game.com)
Duke Nukem 3D (PS3)
Duke Nukem 3D (Xbox 360)
Duke Nukem 3D (iOS)
Duke Nukem 3D (Android)
Duke Nukem 3D (PSVita)
Duke Nukem 3D (Genesis/Mega Drive *pirated*)
-dem ports-