> After 1997 I don't see a single game being developed on the Doom Engine Because Carmack kept developing new engines that were better. He also made it easy fo

> After 1997 I don't see a single game being developed on the Doom Engine Because Carmack kept developing new engines that were better. He also made it easy for people to build maps and add onto the game. You can earn both money and followers by holding back key pieces but still sharing with the community. Check out the book Masters of Doom.