These are breakdowns of games that already shipped, and of what their teams did to get there.
Fallout 4 builds its levels out of modular kits and then works hard to hide the repetition. Horizon Zero Dawn was called "beyond disappointing" by testers two years before launch, and there's a second post on how Guerrilla prototyped it. Shadow of War keeps two characters in sync through a takedown with an animation pipeline built specifically for it.
