Released Jun 15, 2026 $3 Negative Not counted on Steam profiles yet

真弓-Mayumi-

By UMIGAME.studio

Adventure Immersive Sim Realistic Horror Singleplayer Psychological Horror Indie

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Reviews 13 Negative

Players now 0 Peak today 0

Followers, 30 days — Not enough history yet

真弓-Mayumi- is a game tagged Adventure, Immersive Sim and Realistic by UMIGAME.studio, released Jun 15, 2026. It has 13 Steam reviews (Negative). The Steam games most like it include 悪魔の家 -6 Day Nightmare-, THE 8IGHT and Oniwaki Village -Horror game-.

This is a Japanese horror game that features a woman who works at a hospital as the main character.

From the Steam page

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<a href="https://launchrivals.com/games/4778860-mayumi"><img src="https://launchrivals.com/games/4778860/badge.png" alt="真弓-Mayumi- launch date" width="320" height="84"></a>

<a href="https://launchrivals.com/games/4778860-mayumi"><img src="https://launchrivals.com/games/4778860/badge.png?theme=light" alt="真弓-Mayumi- launch date" width="320" height="84"></a>

悪魔の家 -6 Day Nightmare- 92% match · Adventure, Realistic, Horror
THE 8IGHT 88% match · Adventure, Immersive Sim, Horror
Oniwaki Village -Horror game- 85% match · Adventure, Horror, Singleplayer
Stranger Watch 83% match · Adventure, Horror, Singleplayer
Nightwatch: Closer 83% match · Adventure, Immersive Sim, Realistic
Alone K.W. 82% match · Adventure, Horror, Indie
0th floor. - The cursed elevator to floor zero - 81% match · Adventure, Realistic, Horror
Kuchisake Onna - 口裂け女 81% match · Adventure, Horror, Psychological Horror
ColdSide 81% match · Adventure, Horror, Singleplayer
Lumber Island - That Special Place 80% match · Adventure, Horror, Psychological Horror

Steam data

Everything Steam lists for 真弓-Mayumi- · record updated 19 hours ago

Steam store

Overview

App ID4778860

Release dateJun 15, 2026

Last change number38345033

Last record update19 hours ago

App type: Game
Developer: UMIGAME.studio
Publisher: UMIGAME.studio
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 23 hours ago
Franchise: UMIGAME.studio

Windows 64-bit

Single-playerFamily Sharing

Prices

Price · US$3.00

On sale0 of 41regions right now

Lowest seen · US$3.00Oct 23, 2026

Checked22 minutes agoin 41 regions

Saudi ArabiaSRSAR

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

Patches

Build	Branch	Updated
23854698	public	Jun 22, 2026

Depots

ID	Name	Systems	Size	Download	Manifest
4778861	—	All	11.24 GB	8.88 GB	3439123027156061072

Branch	Build	Updated	Access
public	23854698	Jun 22, 2026	Open

Configuration

Install foldersteamapps/common/mayumi

Executable	Arguments	Systems	Description
Mayumi.exe		All	Launch the game

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

真弓-Mayumi-

About 真弓-Mayumi-

Steam data

Overview

App info

Platforms

Features

Related apps

Prices

Saudi ArabiaSRSAR

Americas 10

Europe 5

CIS 4

Asia-Pacific 15

Middle East & Africa 7

Patches

Builds

Depots

Depots

Branches

Configuration

Launch options