Dwarf fortress, no man's sky, elite dangerous, ...
The combination of "many", "most popular", and "nothing" is overstating it by a wide margin but for example the majority of the vegetation in games as far back as oblivion was procedurally placed.
To be clear, "a few" qualified the chosen rooms that get procedurally connected for each stage. I'm confident the pools of premade rooms are rather large, although I certainly noticed some repetition back when I played.
The combination of "many", "most popular", and "nothing" is overstating it by a wide margin but for example the majority of the vegetation in games as far back as oblivion was procedurally placed.