Agreed. What's even more staggering is that Ultima Underworld 1 was actually released before Wolfenstein 3D, the predecessor to Doom! (March vs May 1992). Doom

Agreed. What's even more staggering is that Ultima Underworld 1 was actually released before Wolfenstein 3D, the predecessor to Doom! (March vs May 1992). Doom only came out December 1993.