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The Case of the Serialized Killer

The Case of the Serialized Killer

Delve into a devilishly delightful world of mysticism and mystery as Harold Ludicael, the disgraced demonologist. After the untimely demise of a famous illustrator, you’re tasked with solving their murder in this point-and-click visual novel.

Released Dec 11, 2023 Developer Alexis Royce Platforms Windows · Mac Visual NovelHand-drawnMysterySupernaturalLGBTQ+
View on Steam ↗ Free (US · as of 2026-05-13)

What players say

Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-28.

89.3%positive84 reviews
Recommended · 1 found this helpful

“A fun, quick story with an interesting plot and compelling characters. I had a lot of fun playing this game! The mystery is the perfect level of difficulty. I'm a big mystery fan, so I picked up on most of the clues very quickly and was able to figure things out rather fast, but…”

— a player, Steam review · 4 hrs played
Recommended · 1 found this helpful

“A fun and engaging, well-written detective story with gorgeous watercolour art. This one was a real pleasure to play! Appreciated the LGBTQ representation too :)”

— a player, Steam review · 3 hrs played
Read more reviews ↗

Achievement stats

Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-09-28.

4achievements
28.1%median completion
23.9%rarest: That's How It Could Have Happened
29.1% of players 28.3% of players 28.1% of players 23.9% of players 29.1% 0% most earned rarest
Almost everyone has
29.1%The Flame that Burns Twice as Bright — Complete the seance and come face to face with the victim.
28.3%J'Accuse! — Correctly identify the culprit.
28.1%You Sure Have — Earn the True Ending.
Rarest badges of honor
23.9%That's How It Could Have Happened — Accuse each suspect and see all endings.
28.1%You Sure Have — Earn the True Ending.
28.3%J'Accuse! — Correctly identify the culprit.

Latest official news

Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.

Feb 17, 2025
Storyteller's Festival 2025 Feature, Art Book Discount!

Royce here, and I'm pleased to announce that The Case of the Serialized Killer has been included in the 2025 Storyteller's festival! To celebrate, the art book is on sale . I hear back from a lot of f

Feb 08, 2025
Achievements Added!

Hello all! Version 1.25 is live, and it includes: Achievements! There are four in total, two based in standard progression, one for the true end, and one for getting all the endings, Minor cosmetic up

Apr 04, 2024
See How Harold and Faraday Met in Hoping This Finds You Well, Out May 1st!

Hoping This Finds You Well is Coming to Steam! An experiment in letter writing, meant to evoke the distinctly sweet homoerotisicm of Victorian and Edwardian literature. Follow the correspondence of tw

Dec 30, 2023
Art Book Issues Resolved!

Thank you for your patience! Those of you who have purchased the art book DLC should be getting an update soon. Once that's done, the art book will be in your local files. To access them, follow these

Dec 23, 2023
Art Book Issues

Hey all! It looks like there's an issue with the Art Book DLC, and I'm working right now to get it fixed. In the meantime, if you've purchased the art book please email [email protected]

Games like The Case of the Serialized Killer

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Screenshots

Official Steam store screenshots — click any shot to enlarge.

Facts & details

From the Steam store record, snapshot 2026-09-28.

GenresAdventure, Indie, RPG, Simulation, Free To Play
Player tagsVisual Novel · Hand-drawn · Mystery · Supernatural · LGBTQ+ · Multiple Endings · Demons · Investigation · Dark Comedy · Text-Based · Detective · Dark Humor (SteamSpy community voting)
FeaturesSingle-player · Steam Achievements · Custom Volume Controls · Narrated Game Menus · Playable without Timed Input · Save Anytime · Family Sharing
LanguagesEnglish
Achievements4
Minimum system requirements (PC)

Minimum: OS *: Windows 7 Processor: 2.6 Ghz Quad Core Memory: 4 GB RAM Graphics: Integrated Graphics Storage: 1 GB available space