Rocket of Whispers: Prologue

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App ID	910460
App Type	Game
Developer	SIGONO INC.
Publisher	SIGONO INC.
Franchise	OPUS
Supported Systems	Windows macOS
Technologies	Unity Engine
Last Changenumber	29892330
Last Record Update	4 July 2025 – 06:44:31 UTC ()
Release Date	12 September 2018 – 12:07:18 UTC ()

❓ 71.65%

265 reviews

In-Game

In a chilling cellar below the apocalyptic snow, Fei Lin the witch wakes up from hibernation, and ventures into the forsaken world. Guide her through the process of escaping the cellar, and seeing the changed world for her first time.

Additional Information

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

Developer

SIGONO INC.

metacritic_name

Rocket of Whispers: Prologue

ReleaseState

released

Publisher

SIGONO INC.

IsFreeApp

Yes

Exclude from family sharing (exfgls)

3 (Free Game)

Store Release Date

12 September 2018 – 12:07:18 UTC ()

osarch

empty string

community_hub_visible

Yes

Primary Genre

Adventure (25)

Store Genres

Adventure (25), Indie (23)

Steam Release Date

12 September 2018 – 12:07:18 UTC ()

Store Asset Modification Time

27 November 2019 – 10:17:55 UTC () (1574849875)

library_assets

library_capsule	en
library_hero	en
library_logo	en
logo_position ↴
pinned_position	BottomCenter
width_pct	50
height_pct	50

osextended

macos64

Is free on the store?

Yes

review_score

review_percentage

Detected Technologies (?)

Unity Engine

First seen on SteamDB

24 July 2018 – 08:43:28 UTC (), in changelist #4803350

Supported Languages

4 Languages	Interface	Subtitles
English	Yes	Yes
Traditional Chinese	Yes	Yes
Japanese	Yes	Yes
Simplified Chinese	Yes	Yes

Assets

Load all asset images

clienticon

5b5f9535890b31508032837b57dfa5f8978dd8dd

clienttga

af1e8769dcd848ee60334a2dc559a965aeeb232c

icon

86f2d7ce76d26708a8905b64f593b7a9d5be4c79

logo

755f7a95fb3a41863d2866a10290781735133d1e

logo_small

755f7a95fb3a41863d2866a10290781735133d1e_thumb

clienticns

f96928a936a94ec0766bd70e075387f681521167

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
image2x/english	library_hero_2x.jpg
library_logo ↴
image/english	logo.png
image2x/english	logo_2x.png
logo_position/pinned_position	BottomCenter
logo_position/width_pct	50
logo_position/height_pct	50

Assets

main_capsule	capsule_616x353.jpg
small_capsule	capsule_231x87.jpg
header	header.jpg
page_background	page_bg_generated_v6b.jpg
library_capsule	library_600x900.jpg
library_capsule_2x	library_600x900_2x.jpg
library_hero	library_hero.jpg
library_hero_2x	library_hero_2x.jpg
community_icon	86f2d7ce76d26708a8905b64f593b7a9d5be4c79.jpg
page_background_path	app/910460
raw_page_background	page_bg_raw.jpg
timestamp	30 September 2021 – 12:30:46 UTC

Trailers

256726939 ↴
trailer_name	Prologue_Trailer_final
trailer_category	0
trailer_480p/video/webm	256726939/movie480.webm
trailer_480p/video/mp4	256726939/movie480.mp4
trailer_max/video/webm	256726939/movie_max.webm
trailer_max/video/mp4	256726939/movie_max.mp4
microtrailer/video/webm	910460/181260/10e70868a9ae98079d3bce7506ca868959637711/1751162856/microtrailer.webm
microtrailer/video/mp4	910460/181260/10e70868a9ae98079d3bce7506ca868959637711/1751162856/microtrailer.mp4
screenshot_medium	256726939/movie.293x165.jpg
screenshot_full	256726939/movie_full.jpg
trailer_base_id	181260
all_ages	true
is_highlight	true
timestamp	1535604093

Depots

ID	Configuration	Size	DL.
910461	Windows 32-bitOPUS: Above Depot (Win32)	177.46 MiB	66.44 MiB
910463	Windows 64-bitOPUS: Above Depot (Win64)	183.41 MiB	68.34 MiB
910462	macOS OPUS: Above Depot (Mac OSX)	195.40 MiB	70.32 MiB

Total size on disk is 556.27 MiB and total download size is 205.09 MiB.

Total size on disk is 360.87 MiB and total download size is 134.78 MiB, when filtered to Windows, English, no DLC depots.

Branches

Name	Description	Build ID	Time Updated
public		3224349	24 October 2018 – 03:27:57 UTC
beta	v2.0.0	3824747	15 May 2019 – 06:49:56 UTC

Other

Name	Value
baselanguages	English, Traditional Chinese, Japanese

Rocket of Whispers: Prologue

Additional Information

Supported Languages

Tags

Categories

Assets

Depots

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