City of Sin cover art, a vibe coded idle game

City of Sin

Start with $500 in Prohibition-era America and build a crime syndicate that owns the city.

Rated 0.0 out of 5– (0 ratings)
Genre
Idle
Platforms
Browser, Mobile
Built with
Vibe Coded
Stage
In Development
Developer
CityofSinDev
Votes this month
None yet. Vote
Listed
Jul 18, 2026

Unclaimed listing. Made this game? Claim it to add your own description and art.

About City of Sin

City of Sin is an idle crime empire set in the 1930s. Commit crimes for quick cash, buy operations that pay while you're away and hire a crew of enforcer, driver, lawyer and accountant. Work six districts gated by reputation, smuggle contraband and buy casino tables that pay out on other players' bets. We haven't reviewed it yet, and it has no ratings so far. Play it, then give it stars below. Your rating decides whether it climbs the list or lands in the slop pile.

Screenshots

City of Sin screenshot 1
1 / 7

Player ratings

–
Rated 0.0 out of 5

0 ratings

5 ★0
4 ★0
3 ★0
2 ★0
1 ★0

Sign in to rate One rating per player keeps the scores honest.

City of Sin questions

Is City of Sin made with AI?

Yes. CityofSinDev lists City of Sin as vibe coded: made mostly by describing it to AI coding tools instead of writing the code by hand.

What platforms can I play City of Sin on?

City of Sin runs on Browser, Mobile. The Play button on this page goes to the developer's own page for it.

What kind of game is City of Sin?

City of Sin is an idle game. Start with $500 in Prohibition-era America and build a crime syndicate that owns the city.

Who made City of Sin?

CityofSinDev made City of Sin. This listing is unclaimed, so the developer can claim it on VibeCodeReviewer.

More like thisMore idle games →

IdleMyr

Idle game that keeps earning while you're away.

IdleRated 0.0 out of 5– (0 ratings)

GlassBloom

Blow molten glass, release it in the golden ring and sell your pieces to grow a sky workshop.

IdleRated 0.0 out of 5– (0 ratings)

DragonScape Idle

Train 19 skills from Mining to Magic while your hero keeps working after you close the tab.

IdleRated 0.0 out of 5– (0 ratings)

GuildBound:Idle Rpg

Gather beside other players, forge gear with your name on it and trade in a shared idle world.

IdleRated 0.0 out of 5– (0 ratings)

Side RO

Idle progress that keeps ticking along while you're away.

IdleRated 0.0 out of 5– (0 ratings)