City of Sin - The Nocturne Files
Well reviewed at 71% positive. The current price is near its recorded low.
Why this verdict
Price memory
Official-store evidence for this region · US
- Current official price $8.02
- Regular price $10.99
- Recorded low $8.02
- Compared with usual sales Not recorded
- Observed sale intervals 9.4 to 9.4 days · median 9.4 days
- Interval samples 1
- Observed window Jul 7, 2026 to Jul 16, 2026 · 9.4 days
- Confidence low
Offers
Official store prices and labeled keyshop comparisons
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Price history
Accepted price history and recorded lows
About this game
What this game is, in the developer's words
In a city where power is measured in secrets, Kate Adler is no stranger to deception. A sharp-witted investigator with a talent for navigating lies, she's handed a rare lead, an invitation to Nocturne, the clandestine club where the elite shed their masks and morality.
In a city where power is measured in secrets, Kate Adler is no stranger to deception.
Your Story, Your Choices, Your Gameplay
A sharp-witted investigator with a talent for navigating lies, she's handed a rare lead, an invitation to Nocturne, the clandestine club where the elite shed their masks and morality.
But Nocturne is just the beginning.
What starts as a simple surveillance job unravels into a deeper conspiracy, missing girls, falsified identities, and a city stitched together by corruption. From neon-lit penthouses to sewer tunnels, Kate must follow the clues through every layer of society’s rot.
Every lead is a choice. Every truth, a risk.
And the deeper she digs, the more Kate realises: she might not be the hunter after all.
City of Sin – The Nocturne Files is a choice-driven visual novel that blends investigative gameplay with narrative branching.
You’ll uncover clues, question motives, and decide who Kate can trust as you navigate a world where every decision has weight.
Gameplay Overview
🔹 Choice-Driven Storytelling: AVN branching dialogue options and player decisions that shape Kate’s path and relationships.
🔹 Multiple Endings: Outcomes vary based on your choices, from investigative success to moral downfall.
🔹 3D Visuals: High-quality DAZ renders and immersive lighting that bring each environment and character to life.
🔹 Interactive Exploration: Investigate scenes, follow leads, and uncover hidden truths through narrative choices.
🔹 Mature, Emotional Themes: Power, manipulation, desire, and consequence are explored through adult storytelling.
🔹 Episodic Expansion: Regular free updates continue Kate’s investigation and expand existing routes no paid DLC or hidden content.
Summary
Genre: Narrative / Visual Novel / Mystery
Themes: Investigation, Corruption, Adult Choices
Mode: Single-player
Content Updates: Free episodic expansions
Ongoing Support & Content
This release includes all currently playable chapters and major branching routes.
Future updates will add new episodes, scenes, and endings all included with your purchase at no additional cost.
No microtransactions, no paywalls, just an expanding world shaped by your choices.
Media
Trailers and screenshots from the store page
Games like City of Sin - The Nocturne Files
Shared tags, not the same series.
City of Sin - The Nocturne Files price history and current deals
City of Sin - The Nocturne Files for PC currently sells from $8.02 at authorized stores. Lowest since 7 Jul 2026: $8.02. That is 27% off the $10.99 list price.
City of Sin - The Nocturne Files reviews, playtime, and age rating
31 people have reviewed City of Sin - The Nocturne Files. 71% are positive. Steam calls that Mostly Positive. Brazil rates it 18+, flagged for Nudez, Drogas ilícitas, Linguagem imprópria.
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