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The Kuon Island Nursery Rhyme Murders: Case Notes

The Kuon Island Nursery Rhyme Murders: Case Notes

A storm-lashed island, a nursery rhyme that foretells death, seven prodigies, serial murders, modern locked-room mysteries, classic locked-room mysteries, astrology, a jigsaw of flesh and blood, a survivor—and one lie told only so you would see this story.

Released Jul 28, 2026 Developer Renka Publisher Renka BH1 Platforms Windows Visual NovelDetectiveMysteryCinematicSimulation
View on Steam ↗ $6.39 (US · as of 2026-09-26)

What players say

Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-26.

59.1%positive88 reviews
Recommended · 1 found this helpful

“Fun read for 2-3 hours. As noted by other negative comments, this is a murder mystery kinetic novel with rather poor deduction. The reveal has a strong asspull feeling to it and I doubt anyone will be able to correctly deduce the solution. But if you're like me and just read…”

— a player, Steam review · 3 hrs played
Recommended · 0 found this helpful

“I really loved the VN, was short but intense. Both the story and the message I received through it were extremely interesting and gave food for thought! I liked the music as well, especially the main theme which was my favorite.”

— a player, Steam review · 4 hrs played
Not recommended · 42 found this helpful

“I will start off this review with talking about the use of generative AI content within the game: It is difficult to tell how much the 'some' in the content disclosure is carrying that statement, but I would go as far to say pretty much all of the art looks like it originated…”

— 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 2026-09-26.

7achievements
64.5%median completion
56.1%rarest: Sunday
97.2% of players 65.1% of players 65.0% of players 64.5% of players 60.6% of players 60.4% of players 56.1% of players 97.2% 0% most earned rarest
Almost everyone has
97.2%Monday — Set foot on the island.
65.1%Tuesday — Enter the mansion.
65.0%Wednesday — Witness the ending.
Rarest badges of honor
56.1%Sunday — A message left behind.
60.4%Saturday — The dust settles.
60.6%Friday — Uncover the truth.

Screenshots

Official Steam store screenshots — click any shot to enlarge.

Facts & details

From the Steam store record, snapshot 2026-09-26.

GenresIndie
Player tagsVisual Novel · Detective · Mystery · Cinematic · Simulation · Anime · Adventure · 2D · Cute · Text-Based · Stylized · Atmospheric (Steam store community voting)
FeaturesSingle-player · Steam Achievements · Full controller support · Steam Cloud · Family Sharing
LanguagesEnglish, Japanese, Simplified Chinese, Traditional Chinese
ControllerFull support
Achievements7
Minimum system requirements (PC)

Minimum: Requires a 64-bit processor and operating system OS *: Windows XP, Vista, 7, 8/8.1, 10,11 Processor: 2.0 Ghz Memory: 4 GB RAM Graphics: 512mb Video Memory Storage: 800 MB available space