HIROYU's Murder Mystery：マーダーミステリーセッションツール

50.0% positiveFreeSteam Store

About the game

Murder Mystery games created by HIROYU through the two production circles, “TriEmoStab” and “IBAHIRO”, are now available to play on Steam. ※This is a dedicated tool for playing Murder Mystery games online.

Current players

Updated Oct 28, 7:23 PM

24hr peak

Highest count in the last 24 hours

All time peak

Highest count in recorded history

Followers

Updated Oct 27, 12:14 AM

Player history

139 observations in viewHistorical player data prior to Sept 2026 is from steamcharts.com.Oct 21, 2026, 10:03 PM – Oct 28, 2026, 7:23 PM

Follower history

6 observations in viewOct 20, 2026, 12:26 AM – Oct 27, 2026, 12:14 AM

Game details

Rankings: Most Played#140,590
Developer: ひろゆ～
Publisher: ひろゆ～
Release date: Oct 8, 2026, 8:56 AM
Languages: Japanese, English, Simplified Chinese, Korean
Price: Free to play
Platforms: Windows
Features: Feature names
Multi-player
PvP
Online PvP
Co-op
Online Co-op
Steam Achievements
Family Sharing
Tags: Adventure Indie Social Deduction Multiplayer Multiple Endings

User reviews

Positive reviews

50.0%

Positive: 1
Negative: 1

Updated Oct 27, 7:41 PM

Review history

Mode

2 observations in viewOct 18, 2026, 7:37 PM – Oct 27, 2026, 7:41 PM