Wow, such an incredibly well designed city builder! I am surprised it is able to work so well like it does in a web browser.
I got to bronze age with a population of nearly 3000, where the technological limitations started to creep up (Chromium), might be nice to release a native version if at all possible. The sort of simulation the game does just needs the computational resources.
The progression and mechanics feel incredibly good and intuitive, easy learning curve, the pixel graphics is pleasant to look at, though maybe could be refined here or there (notably the buildings for chocolate feel very out of place in the era they pop up, a few buildings like the horse mill could use some animation). But it works, and it is nice to see all those tiny people going about doing their stuff.
So far I also rarely got into a situation requiring much waiting, if approaching the game right, there is enough stuff to do to have the necessary research happen while doing it, if it isn't so, the city probably needs structural improvements (like, have enough clay tablets for the campus to work? have wheelbarrows accessible for production buildings and markets?)
The game has no sound, which may seem a bit strange at first, but then it ended up feeling nice that I can just listen to whatever I like while playing it.