[sentientmachin3]

The Lex Friedman podcast with J. Carmack goes over all the major innovations in every game, really interesting episode, strongly advised if you have time (roughly 5 hours long)

[fernandotakai]

link for people that want to watch it:

https://www.youtube.com/watch?v=I845O57ZSy4

i would also recommend another two of his interviews:

Todd Howard https://www.youtube.com/watch?v=H9AAnV59ddE

Guido van Rossun https://www.youtube.com/watch?v=-DVyjdw4t9I