dang above said they messed up merging 2 different submissions into this one.

IDK if the video paid one is a html file, but here's the other (less impressive but still impressive) submission, playable, plus source html:

https://cybercity.carino.systems/

https://github.com/MiguelCarino/CyberCity

WASD to move etc, 1-2-3-4 for CyberCity - Frontier - Moonwalk - Edo