CD 1 'Vintage' : Dangerous Dave, Slordax, Shadow Knights, The Catacomb, Rescue Rover, Rescue Rover 2, Hover Tank 3D, Catacombs 3D, Commander Keen: Invasion of the Vorticons, Commander Keen: Keen Dreams, Commander Keen: Goodbye Galaxy, Commander Keen: Aliens ate my Babysitter, Wolfenstein 3D, Wolfenstein: Spear of Destiny
CD 2 'Doom' : Ultimate Doom, Doom 2, Master Levels for Doom 2, Final Doom
CD 3 'Quake' : Quake
The 4th CD was for Mac and includes Wolfenstein 3D, Ultimate Doom, Doom 2, and Final Doom)
What I really enjoy is looking at the different technologies that John Carmack invented throughout the series like smooth scrolling to texture mapping to 3D that would earn him induction into the Academy of Interactive Arts and Sciences' Hall of Fame.
This is a great DOS comp. If you can pick it up, I would highly suggest it.