There's a series on YouTube called "Game Maker's Toolkit" which does an excellent analysis of why Doom worked so well: "What We Can Learn From Doom", https://ww

There's a series on YouTube called "Game Maker's Toolkit" which does an excellent analysis of why Doom worked so well: "What We Can Learn From Doom", https://www.youtube.com/watch?v=yuOObGjCA7Q https://www.youtube.com/watch?v=yuOObGjCA7Q He hits on many of the same points, but it goes into more depth.