This answer may be a cheat and a stretch, but hear me out…
Star Wars: Dark Forces II: Jedi Knight
Specifically, the opening levels set in Nar Shaddaa, one of my favorite, underappreciated locations in the extended universe.
The whole moon was one giant, grimey, neon-lit city blanketed in night, overrun with sleazy organized criminals and jazz music. Pretty big noir vibes too.
It’s the first time I remember experiencing the aesthetic, which felt so sharply different from the colorful, swashbuckling Star Wars I had known. And I knew I loved it.
"WHY COULDN’T SHE BE THE OTHER KIND OF BOSTON DYNAMICS ROBOT?!?
WITH THE MACHINE PART ON TOP AND THE LADY PART ON THE BOTTOM?!?"