Opus Castle

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App ID	1725660
App Type	Game
Developer	Messier Games
Publisher	QUByte Interactive
Supported Systems	Windows
Technologies	Unreal Engine
Last Changenumber	30868264
Last Record Update	31 August 2025 – 03:09:27 UTC ()
Release Date	9 November 2021 – 11:48:36 UTC ()

❓ 56.88%

74 reviews

In-Game

Opus Castle it's a 3D horror, adventure and mysterious game with a narrative based on the real tragic history of the little castle on Apa Street, located in the city of São Paulo, Brazil.

Additional Information

This game is excluded from Steam Family Sharing because: Free Game

Developer

Messier Games

controller_support

partial

community_visible_stats

Yes

DLCAvailableOnStore

Yes

ReleaseState

released

Publisher

QUByte Interactive

IsFreeApp

Yes

Exclude from family sharing (exfgls)

3 (Free Game)

Store Release Date

9 November 2021 – 11:48:36 UTC ()

osarch

community_hub_visible

Yes

Social Media

https://discord.gg/qubyte

Primary Genre

Adventure (25)

Store Genres

Action (1), Adventure (25)

Steam Release Date

9 November 2021 – 11:48:36 UTC ()

Store Asset Modification Time

13 May 2025 – 13:34:25 UTC () (1747143265)

library_assets

library_capsule	en
library_hero	en
library_logo	en
logo_position ↴
pinned_position	CenterCenter
width_pct	49.41860465116278
height_pct	76.59700783661836

osextended

empty string

Is free on the store?

Yes

review_score

review_percentage

Detected Technologies (?)

Unreal Engine, FMOD SDK, Intel_OID SDK, Intel_oneTBB SDK, NVIDIA_APEX SDK, NVIDIA_GeForce_Now SDK, NVIDIA_Nsight_Aftermath SDK, NVIDIA_PhysX SDK, NvCloth SDK, Ogg SDK, OpenXR SDK, Vorbis SDK, XAudio2 SDK

Content Descriptors

Some Nudity or Sexual Content (1), Frequent Violence or Gore (2), General Mature Content (5)

First seen on SteamDB

12 August 2021 – 19:42:05 UTC (), in changelist #12275512

Content Descriptors (Including DLC)

Some Nudity or Sexual Content (1), Frequent Violence or Gore (2), General Mature Content (5)

Supported Languages

3 Languages	Interface	Full Audio	Subtitles	Achievements
English	Yes		Yes	Yes
Portuguese - Brazil	Yes	Yes	Yes
Portuguese - Portugal				Yes

Hardware Categories

Partial Controller Support

Assets

Load all asset images

clienticon

6bc90384f8ac79b85ca53f9bd2b7821dc2c855d7

clienttga

912aac8ea502908d69ea2ebfee539eec2be5be88

icon

79afd3da0f0122618fd2353cfa8dd978fb5a2a15

logo

96055474188451aff38232270f1868c11a2a63bd

logo_small

96055474188451aff38232270f1868c11a2a63bd_thumb

small_capsule

english

capsule_231x87.jpg

header_image

english

header.jpg

library_assets_full

library_capsule ↴
image/english	library_600x900.jpg
image2x/english	library_600x900_2x.jpg
library_hero ↴
image/english	library_hero.jpg
library_logo ↴
image/english	logo.png
logo_position/pinned_position	CenterCenter
logo_position/width_pct	49.41860465116278
logo_position/height_pct	76.59700783661836

Assets

main_capsule	capsule_616x353.jpg
small_capsule	capsule_231x87.jpg
header	header.jpg
page_background	page_bg_generated_v6b.jpg
hero_capsule	hero_capsule.jpg
library_capsule	library_600x900.jpg
library_capsule_2x	library_600x900_2x.jpg
library_hero	library_hero.jpg
community_icon	79afd3da0f0122618fd2353cfa8dd978fb5a2a15.jpg
page_background_path	app/1725660
raw_page_background	page_bg_raw.jpg
timestamp	13 May 2025 – 13:34:33 UTC

Trailers

257117337 ↴
trailer_name	Opus Castle Trailer
trailer_category	1
trailer_480p/video/webm	257117337/movie480_vp9.webm
trailer_480p/video/mp4	257117337/movie480.mp4
trailer_max/video/webm	257117337/movie_max_vp9.webm
trailer_max/video/mp4	257117337/movie_max.mp4
microtrailer/video/webm	1725660/855730/864fb0810207f0f0101b65b001db104bb1c7f298/1751025902/microtrailer.webm
microtrailer/video/mp4	1725660/855730/864fb0810207f0f0101b65b001db104bb1c7f298/1751025902/microtrailer.mp4
screenshot_medium	257117337/f49253d00b7bfe015de158234266d49901452d63/movie_600x337.jpg
screenshot_full	257117337/f49253d00b7bfe015de158234266d49901452d63/movie_full.jpg
trailer_base_id	855730
all_ages	true
is_highlight	true
timestamp	1742589313

User File System

Key

Value

quota

4.00 KiB (4096)

maxnumfiles

savefiles

0 ↴
root	WinAppDataLocal
path	Opus_Castle/Saved/SaveGames
pattern	*.sav
platforms/1	Windows

Save File Locations

Based on the configuration above, this is where we think the save files are located.

Platform	Path	Pattern
Windows	%USERPROFILE%/AppData/Local/Opus_Castle/Saved/SaveGames	*.sav

Opus Castle

Additional Information

Supported Languages

Tags

Categories

Hardware Categories

Assets

User File System

Save File Locations