SGS Operation Downfall

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App ID	1978580
App Type	Game
Developer	Strategy Game Studio
Publisher	Avalon Digital
Franchise	SGS
Supported Systems	Windows macOS
Technologies	Unity Engine
Last Changenumber	31544339
Last Record Update	8 October 2025 – 08:14:48 UTC ()
Release Date	9 August 2022 – 16:22:14 UTC ()

❓ 66.33%

18 reviews

In-Game

Project Manhattan failed! Operation Downfall, the Allied plan for the invasion of the Japanese home islands is set in motion. Start with Operation Olympic to capture Kyushu, and move on with Coronet, the landing near Tokyo. Force Japan surrender with the largest amphibious operation in history.

Additional Information

Developer

Strategy Game Studio

ReleaseState

released

Publisher

Avalon Digital

Store Release Date

9 August 2022 – 16:22:17 UTC ()

osarch

empty string

community_hub_visible

Yes

Social Media

https://www.youtube.com/avalondigitaleditions/

Primary Genre

Strategy (2)

Store Genres

Simulation (28), Strategy (2)

Steam Release Date

9 August 2022 – 16:22:14 UTC ()

Store Asset Modification Time

24 March 2025 – 15:35:19 UTC () (1742830519)

library_assets

library_capsule	en
library_hero	en
library_logo	en
logo_position ↴
pinned_position	CenterCenter
width_pct	78.77973838964857
height_pct	100

osextended

macos64

review_score

review_percentage

Detected Technologies (?)

Unity Engine, SteamworksNET SDK, UnityBurst SDK, cURL SDK

First seen on SteamDB

21 April 2022 – 15:28:58 UTC (), in changelist #14581332

Supported Languages

9 Languages	Interface	Full Audio	Subtitles
English	Yes
French	Yes
Italian	Yes
German	Yes
Spanish - Spain	Yes
Simplified Chinese	Yes
Japanese	Yes
Russian	Yes
Korean	Yes

Assets

Load all asset images

clienticon

36977705538fe9f8be2353fcbf5d5d4c812d327e

clienttga

3cb2c8ecf003bb4ebace415bc3d5c7368d9b3eeb

icon

36977705538fe9f8be2353fcbf5d5d4c812d327e

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	CenterCenter
logo_position/width_pct	78.77973838964857
logo_position/height_pct	100

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
library_hero_2x	library_hero_2x.jpg
community_icon	36977705538fe9f8be2353fcbf5d5d4c812d327e.jpg
page_background_path	app/1978580
raw_page_background	page_bg_raw.jpg
timestamp	24 March 2025 – 15:35:26 UTC

Trailers

475373 ↴
trailer_name	Operation Downfall Trailer
trailer_category	0
trailer_480p/video/webm	256893844/movie480_vp9.webm
trailer_480p/video/mp4	256893844/movie480.mp4
trailer_max/video/webm	256893844/movie_max_vp9.webm
trailer_max/video/mp4	256893844/movie_max.mp4
microtrailer/video/webm	1978580/475373/bb9314d3ddc9366590ede3e8b3eb80a438b5e64d/1751066253/microtrailer.webm
microtrailer/video/mp4	1978580/475373/bb9314d3ddc9366590ede3e8b3eb80a438b5e64d/1751066253/microtrailer.mp4
adaptive_trailers/0/cdn_path	1978580/475373/bb9314d3ddc9366590ede3e8b3eb80a438b5e64d/1751066253/dash_av1.mpd
adaptive_trailers/0/encoding	dash_av1
adaptive_trailers/1/cdn_path	1978580/475373/bb9314d3ddc9366590ede3e8b3eb80a438b5e64d/1751066253/dash_h264.mpd
adaptive_trailers/1/encoding	dash_h264
adaptive_trailers/2/cdn_path	1978580/475373/bb9314d3ddc9366590ede3e8b3eb80a438b5e64d/1751066253/hls_264_master.m3u8
adaptive_trailers/2/encoding	hls_h264
screenshot_medium	256893844/movie.293x165.jpg
screenshot_full	256893844/movie_full.jpg
all_ages	true
is_highlight	true
timestamp	1656657228

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SGS Operation Downfall

Additional Information

Supported Languages

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