Sierra Ops

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App ID	364210
App Type	Game
Store Name	Sierra Ops - Space Strategy Visual Novel
Developer	Innomen Team
Publisher	Sekai Project
Franchise	Innomen Team
Supported Systems	Windows
Technologies	Unity Engine
Last Changenumber	30681564
Last Record Update	20 August 2025 – 00:17:35 UTC ()
Release Date	16 January 2020 – 03:34:47 UTC ()

❓ 76.70%

257 reviews

In-Game

Woefully ill-prepared, play as Captain Fahrenheit as they uncover long-lost secrets new and old, while fighting in an impossible war between Earth and Mars.

Additional Information

Developer

Innomen Team

metacritic_name

Sierra Ops

controller_support

full

community_visible_stats

Yes

DLCAvailableOnStore

Yes

ReleaseState

released

Publisher

Sekai Project

eulas

0 ↴
id	364210_eula_0
name	Sierra Ops EULA
url	https://store.steampowered.com//eula/364210_eula_0
version	8

Store Release Date

16 January 2020 – 08:00:00 UTC ()

community_hub_visible

Yes

Social Media

https://discord.gg/TRuCZZXuwc
https://www.twitch.tv/innomenpro
https://x.com/sierralunabot
https://www.youtube.com/channel/UCt3OCvTd-r2pt--nAb7PVKA/

Primary Genre

Indie (23)

Store Genres

Adventure (25), Casual (4), Indie (23), Strategy (2)

Steam Release Date

16 January 2020 – 03:34:47 UTC ()

Original Release Date

16 January 2020 – 08:00:00 UTC () (1579161600)

Store Asset Modification Time

25 December 2021 – 14:36:48 UTC () (1640443008)

library_assets

library_capsule	en
library_hero	en
library_logo	en
logo_position ↴
pinned_position	BottomLeft
width_pct	54.077712614951714
height_pct	100

review_score

review_percentage

Detected Technologies (?)

Unity Engine

Steam Deck Compatibility

Steam Deck:
This game sometimes shows mouse, keyboard, or non-Steam-Deck controller icons
Some in-game text is small and may be difficult to read
All functionality is accessible when using the default controller configuration
This game's default graphics configuration performs well on Steam Deck
SteamOS:
This game runs successfully on SteamOS
category: Playable
steamos_compatibility: Compatible
test_timestamp: 8 October 2022 – 00:00:00 UTC
tested_build_id: 7942464

configuration:

supported_input	gamepad
requires_manual_keyboard_invoke	0
requires_non_controller_launcher_nav	0
primary_player_is_controller_slot_0	0
non_deck_display_glyphs	1
small_text	1
requires_internet_for_setup	0
requires_internet_for_singleplayer	0
recommended_runtime	proton-stable
requires_h264	0
requires_voice_files	0
gamescope_frame_limiter_not_supported	1
hdr_support	0

First seen on SteamDB

16 April 2015 – 06:08:57 UTC (), in changelist #994913

Supported Languages

1 Languages	Interface	Full Audio	Subtitles
English	Yes		Yes

Hardware Categories

Full Controller Support

Native Steam Controller

Assets

Load all asset images

clienticon

ffe780b90cc4fe6d2188c98d73195ff424628bd6

clienttga

58d25d2df3c3bdba4a3574c015fa3386f1ed9ce5

icon

d370bdb077e22d565ff9b9f3e3f30aa45ec36deb

logo

ef2bd5fdbf5e80ebd49e365d9c65de0463e7a0ed

logo_small

ef2bd5fdbf5e80ebd49e365d9c65de0463e7a0ed_thumb

clienticns

e3c09a8a45d6df9d9b04a9b8251e7b3cd5895d79

LinuxClientIcon

ed10ba471b539b3d0c6ab2ee4ce765d6c3f9e212

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
image2x/english	logo_2x.png
logo_position/pinned_position	BottomLeft
logo_position/width_pct	54.077712614951714
logo_position/height_pct	100

Assets

main_capsule	capsule_616x353.jpg
small_capsule	capsule_231x87.jpg
header	header.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	d370bdb077e22d565ff9b9f3e3f30aa45ec36deb.jpg
page_background_path	app/364210
timestamp	17 September 2024 – 20:29:39 UTC

Trailers

418692 ↴
trailer_name	Sierra Ops Gameplay Trailer
trailer_category	0
trailer_480p/video/webm	256861396/movie480_vp9.webm
trailer_480p/video/mp4	256861396/movie480.mp4
trailer_max/video/webm	256861396/movie_max_vp9.webm
trailer_max/video/mp4	256861396/movie_max.mp4
microtrailer/video/webm	364210/418692/eb41c79e2d85fdce3731edcc67d8e33f5ab5c573/1751270322/microtrailer.webm
microtrailer/video/mp4	364210/418692/eb41c79e2d85fdce3731edcc67d8e33f5ab5c573/1751270322/microtrailer.mp4
adaptive_trailers/0/cdn_path	364210/418692/eb41c79e2d85fdce3731edcc67d8e33f5ab5c573/1751270322/dash_av1.mpd
adaptive_trailers/0/encoding	dash_av1
adaptive_trailers/1/cdn_path	364210/418692/eb41c79e2d85fdce3731edcc67d8e33f5ab5c573/1751270322/dash_h264.mpd
adaptive_trailers/1/encoding	dash_h264
adaptive_trailers/2/cdn_path	364210/418692/eb41c79e2d85fdce3731edcc67d8e33f5ab5c573/1751270322/hls_264_master.m3u8
adaptive_trailers/2/encoding	hls_h264
screenshot_medium	256861396/movie.293x165.jpg
screenshot_full	256861396/movie_full.jpg
all_ages	true
is_highlight	true
timestamp	1637516976
418694 ↴
trailer_name	Sierra Ops Opening
trailer_category	0
trailer_480p/video/webm	256861398/movie480_vp9.webm
trailer_480p/video/mp4	256861398/movie480.mp4
trailer_max/video/webm	256861398/movie_max_vp9.webm
trailer_max/video/mp4	256861398/movie_max.mp4
microtrailer/video/webm	364210/418694/319f2338479afaf79859b83dbbfa7b14873bc4ac/1751270324/microtrailer.webm
microtrailer/video/mp4	364210/418694/319f2338479afaf79859b83dbbfa7b14873bc4ac/1751270324/microtrailer.mp4
adaptive_trailers/0/cdn_path	364210/418694/319f2338479afaf79859b83dbbfa7b14873bc4ac/1751270324/dash_av1.mpd
adaptive_trailers/0/encoding	dash_av1
adaptive_trailers/1/cdn_path	364210/418694/319f2338479afaf79859b83dbbfa7b14873bc4ac/1751270324/dash_h264.mpd
adaptive_trailers/1/encoding	dash_h264
adaptive_trailers/2/cdn_path	364210/418694/319f2338479afaf79859b83dbbfa7b14873bc4ac/1751270324/hls_264_master.m3u8
adaptive_trailers/2/encoding	hls_h264
screenshot_medium	256861398/movie.293x165.jpg
screenshot_full	256861398/movie_full.jpg
all_ages	true
is_highlight	true
timestamp	1637516983

Depots

ID	Configuration	Size	DL.
364211	Sierra Ops Windows	2.46 GiB	792.17 MiB
1217400	DLC 1217400Sierra Ops : Episode 2 - Dissonance and Resonance (1217400) Depot	0 B	0 B
1217600	DLC 1217600Sierra Ops : Episode 3 - Unending Dusk (1217600) Depot	22.33 MiB	19.10 MiB
1217601	DLC 1217601Sierra Ops : Episode 4 - Cadence of the Morning Star (1217601) Depot	22.33 MiB	19.10 MiB

Inner depots from DLC

ID	Configuration	Size	DL.
1217400	DLC 1217400Sierra Ops : Episode 2 - Dissonance and Resonance	22.33 MiB	19.10 MiB
1217401	UnusedDLC 1217401Sierra Ops: Season Pass Depot	No size

Total size on disk is 2.52 GiB and total download size is 849.46 MiB.

Total size on disk is 2.46 GiB and total download size is 792.17 MiB, when filtered to Windows, English, no DLC depots.

Branches

Name	Description	Build ID	Time Updated
public		7942464	26 December 2021 – 22:58:35 UTC

Other

Name	Value
hasdepotsindlc	1
privatebranches	1

Sierra Ops

Additional Information

Supported Languages

Tags

Categories

Hardware Categories

Assets

Depots

Inner depots from DLC

Branches

Other