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SGS Operation Downfall

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App ID 1978580
App Type Game
Developer
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
0
In-Game
💡 Strategy 🎲 Turn-Based Strategy 🏽 2D 📜 Historical 🪖 Military

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_capsuleen
library_heroen
library_logoen
logo_position ↴
pinned_positionCenterCenter
width_pct78.77973838964857
height_pct100
osextended macos64
review_score 6
review_percentage 77
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

Tags

💡 Strategy 🎲 Turn-Based Strategy 🏽 2D 📜 Historical 🪖 Military 🛡️ Turn-Based Combat 👤 Singleplayer 🕹️ Multiplayer ⚔️ War 🪂 World War II 🔵 Wargame 🛡️ Grand Strategy 🕰️ Alternate History 🥊 PvP 🖥️ Simulation

Categories

Single-player Shared/Split Screen PvP Remote Play Together Family Sharing Multi-player PvP Shared/Split Screen

Assets

Load all asset images
clienticon 36977705538fe9f8be2353fcbf5d5d4c812d327e
clienttga 3cb2c8ecf003bb4ebace415bc3d5c7368d9b3eeb
icon 36977705538fe9f8be2353fcbf5d5d4c812d327e
small_capsule
englishcapsule_231x87.jpg
header_image
englishheader.jpg
library_assets_full
library_capsule ↴
image/englishlibrary_600x900.jpg
image2x/englishlibrary_600x900_2x.jpg
library_hero ↴
image/englishlibrary_hero.jpg
image2x/englishlibrary_hero_2x.jpg
library_logo ↴
image/englishlogo.png
image2x/englishlogo_2x.png
logo_position/pinned_positionCenterCenter
logo_position/width_pct78.77973838964857
logo_position/height_pct100
Assets
main_capsulecapsule_616x353.jpg
small_capsulecapsule_231x87.jpg
headerheader.jpg
page_backgroundpage_bg_generated_v6b.jpg
hero_capsulehero_capsule.jpg
library_capsulelibrary_600x900.jpg
library_capsule_2xlibrary_600x900_2x.jpg
library_herolibrary_hero.jpg
library_hero_2xlibrary_hero_2x.jpg
community_icon36977705538fe9f8be2353fcbf5d5d4c812d327e.jpg
page_background_pathapp/1978580
raw_page_backgroundpage_bg_raw.jpg
timestamp24 March 2025 – 15:35:26 UTC
Trailers
475373 ↴
trailer_nameOperation Downfall Trailer
trailer_category0
trailer_480p/video/webm256893844/movie480_vp9.webm
trailer_480p/video/mp4256893844/movie480.mp4
trailer_max/video/webm256893844/movie_max_vp9.webm
trailer_max/video/mp4256893844/movie_max.mp4
microtrailer/video/webm1978580/475373/bb9314d3ddc9366590ede3e8b3eb80a438b5e64d/1751066253/microtrailer.webm
microtrailer/video/mp41978580/475373/bb9314d3ddc9366590ede3e8b3eb80a438b5e64d/1751066253/microtrailer.mp4
adaptive_trailers/0/cdn_path1978580/475373/bb9314d3ddc9366590ede3e8b3eb80a438b5e64d/1751066253/dash_av1.mpd
adaptive_trailers/0/encodingdash_av1
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adaptive_trailers/1/encodingdash_h264
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adaptive_trailers/2/encodinghls_h264
screenshot_medium256893844/movie.293x165.jpg
screenshot_full256893844/movie_full.jpg
all_agestrue
is_highlighttrue
timestamp1656657228

Depots

ID Configuration Size DL.
1978581 492.26 MiB 462.22 MiB
1978582 Windows 64-bit 594.22 MiB 218.45 MiB
1978583 Windows 32-bit 581.08 MiB 213.37 MiB
1978584 macOS 589.78 MiB 216.72 MiB

Total size on disk is 2.20 GiB and total download size is 1.08 GiB.

Total size on disk is 1.63 GiB and total download size is 894.05 MiB, when filtered to Windows, English, no DLC depots.

Branches

Name Description Build ID Time Updated
public 20299566 8 October 2025 – 08:14:44 UTC

Other

Name Value
baselanguages English, German, French, Italian, Spanish - Spain, Simplified Chinese, Russian, Japanese, Portuguese - Portugal
privatebranches 1
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