Released Jul 28, 2026 $7.99 Mixed Not counted on Steam profiles yet

The Kuon Island Nursery Rhyme Murders: Case Notes

By Renka · published by Renka BH1

Visual Novel Detective Mystery Cinematic Simulation Anime Adventure 2D CuteText-BasedStylizedAtmospheric

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Reviews 88 Mixed

Players now 0 Peak today 0

Followers, 30 days — Not enough history yet

The Kuon Island Nursery Rhyme Murders: Case Notes is a game tagged Visual Novel, Detective and Mystery by Renka, released Jul 28, 2026. It has 88 Steam reviews (Mixed). The Steam games most like it include The Murder Hotel, Mohism: Battle of Words and 孤岛海妖 The Sea-demon.

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.

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<a href="https://launchrivals.com/games/4729160-the-kuon-island-nursery-rhyme-murders-case-notes"><img src="https://launchrivals.com/games/4729160/badge.png" alt="The Kuon Island Nursery Rhyme Murders: Case Notes launch date" width="320" height="84"></a>

<a href="https://launchrivals.com/games/4729160-the-kuon-island-nursery-rhyme-murders-case-notes"><img src="https://launchrivals.com/games/4729160/badge.png?theme=light" alt="The Kuon Island Nursery Rhyme Murders: Case Notes launch date" width="320" height="84"></a>

The Murder Hotel 75% match · Visual Novel, Detective, Mystery
Mohism: Battle of Words 74% match · Visual Novel, Detective, Mystery
孤岛海妖 The Sea-demon 74% match · Visual Novel, Detective, Mystery
The Breakfast Serial Club 73% match · Visual Novel, Detective, Mystery
Shadow at Noon 72% match · Visual Novel, Detective, Mystery
雪凤山 Secret Opera 71% match · Visual Novel, Detective, Mystery
TOKYO PSYCHODEMIC 71% match · Visual Novel, Detective, Mystery
Seasons of Books and Keys 70% match · Visual Novel, Detective, Mystery
The Simen Rumors 69% match · Visual Novel, Detective, Mystery
泥舟と罪人 69% match · Visual Novel, Detective, Mystery

Steam data

Everything Steam lists for The Kuon Island Nursery Rhyme Murders: Case Notes · record updated 5 hours ago

Steam store

Overview

App ID4729160

Release dateJul 28, 2026

Last change number39715167

Last record update5 hours ago

App type: Game
Developer: Renka
Publisher: Renka BH1
Steam profile: Not counted yet: Steam is still getting to know this game, so it doesn't add to game counts or achievement totals · checked 1 day ago
Technologies: Unity detected

Windows 64-bit

Controller: Full support

Single-playerSteam AchievementsSteam CloudFull controller supportFamily Sharing

Prices

Price · US$7.99

On sale0 of 41regions right now

Lowest seen · US$7.99Oct 23, 2026

Checked2 hours agoin 41 regions

South Korea₩KRW

Every price change is kept from Oct 23, 2026 on. Pick a region below to compare.

Patches

Build	Branch	Updated
24429414	public	Jul 28, 2026

Depots

ID	Name	Systems	Size	Download	Manifest
4729161	—	All	678.1 MB	492.3 MB	8952235133013776941

Branch	Build	Updated	Access
public	24429414	Jul 28, 2026	Open

Configuration

Install foldersteamapps/common/The Kuon Island Nursery Rhyme Murders Case Notes

Executable	Arguments	Systems	Description
The Kuon Island Nursery Rhyme Murders - Case Notes.exe		All

Space per player97.7 MB

Filesup to 100

Save locations1

Root	Path	Pattern	Systems
WinAppDataLocalLow	renka\The Kuon Island Nursery Rhyme Murders - Case Notes	*	All

Achievements

Achievements70 hidden

Most unlocked97.1%Monday

Rarest55.5%Sunday

Monday Set foot on the island. 97.1%
Tuesday Enter the mansion. 64.2%
Wednesday Witness the ending. 64.2%
Thursday Set out once more. 63.7%
Friday Uncover the truth. 60.2%
Saturday The dust settles. 60%
Sunday A message left behind. 55.5%

Data from public Steam pages, updated daily; 5 days of history. LaunchRivals is not affiliated with Valve or Steam.

The Kuon Island Nursery Rhyme Murders: Case Notes

About The Kuon Island Nursery Rhyme Murders: Case Notes

Steam data

Overview

App info

Platforms

Features

Prices

South Korea₩KRW

Americas 10

Europe 5

CIS 4

Asia-Pacific 15

Middle East & Africa 7

Patches

Builds

Depots

Depots

Branches

Configuration

Launch options

Cloud saves

Achievements

Global unlock rate