As it turns out Blox City is still around and it even has a Discord
Supposedly it's a real thing but the servers are apparently shutting off soon. That doesn't mean there isn't a rabbit hole of various Roblox knockoffs like TruWorlds, BrickPlanet (which allegedly stole assets from Blox City), and Polytoria; others exist as well but there's so loving many. I'm not going to check for a client for this nor for any of the alternatives because I don't believe in potentially installing malware.
These communities are loving wild yo I didn't expect this stuff when I just randomly remembered the Blox City spam from eons past and randomly decided to check if it was still around.
Some highlights:
The client didn't get very many updates since 2016 despite tons of promises that it would.
There was a data breach in 2024 that compromised the developer's Stripe account (and potentially releasing the source code?), attempting to put him 1.4k in debt but ultimately failing due to cooperation from Stripe.
One of the developers in a different knockoff (Brick Hill?) spent way more time talking about politics than developing the game.
also no cap bopimo looks kinda lit