The Callisto Protocol

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App ID	1544020
App Type	Game
Store Name	The Callisto Protocol™
Developer	Striking Distance Studios
Publisher	KRAFTON, Inc.
Supported Systems	Windows
Technologies	Unreal Engine, EpicOnlineServices SDK
Last Changenumber	31631369
Last Record Update	13 October 2025 – 04:56:53 UTC ()
Release Date	2 December 2022 – 05:00:00 UTC ()

😌 64.53%

41k reviews

In-Game

Survive to escape the horrors of Callisto and uncover the dark secrets of Jupiter’s dead moon.

Additional Information

Developer

Striking Distance Studios

controller_support

full

community_visible_stats

Yes

DLCAvailableOnStore

Yes

ReleaseState

released

Publisher

KRAFTON, Inc.

eulas

0 ↴
id	1544020_eula_0
name	The Callisto Protocol EULA
url	https://store.steampowered.com//eula/1544020_eula_0
version	1
1 ↴
id	1544020_eula_1
name	The Callisto Protocol EULA
url	https://store.steampowered.com//eula/1544020_eula_1
version	1
2 ↴
id	1544020_eula_2
name	The Callisto Protocol EULA
url	https://store.steampowered.com//eula/1544020_eula_2
version	1

Store Release Date

2 December 2022 – 05:00:00 UTC ()

osarch

community_hub_visible

Yes

Social Media

https://discord.com/invite/tetqmCgwJz

Primary Genre

Action (1)

Store Genres

Action (1), Adventure (25)

Steam Release Date

2 December 2022 – 05:00:00 UTC ()

Store Asset Modification Time

21 December 2023 – 02:56:56 UTC () (1703127416)

library_assets

library_capsule	en
library_hero	en
library_logo	en
library_header	en
logo_position ↴
pinned_position	BottomLeft
width_pct	50.11627906976748
height_pct	100

osextended

empty string

name_localized

schinese

《木卫四协议》

review_score

review_percentage

Detected Technologies (?)

Unreal Engine, CEF SDK, Discord SDK, EpicOnlineServices 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, Wwise SDK, XAudio2 SDK

Steam Deck Compatibility

Steam Deck:
All functionality is accessible when using the default controller configuration
This game shows Steam Deck controller icons
In-game interface text is legible on Steam Deck
This game's default graphics configuration performs well on Steam Deck
Note: Singleplayer gameplay requires an active Internet connection
Note: This game does not default to external Bluetooth/USB controllers on Deck, and may require manually switching the active controller via the Quick Access Menu
SteamOS:
This game runs successfully on SteamOS
Note: Singleplayer gameplay requires an active Internet connection
Note: This game does not default to external Bluetooth/USB controllers on SteamOS, and may require manually switching the active controller via the Quick Access Menu
category: Verified
steamos_compatibility: Compatible
test_timestamp: 31 January 2023 – 00:00:00 UTC
tested_build_id: 10401901

configuration:

supported_input	gamepad
requires_manual_keyboard_invoke	0
requires_non_controller_launcher_nav	0
primary_player_is_controller_slot_0	1
non_deck_display_glyphs	0
small_text	0
requires_internet_for_setup	0
requires_internet_for_singleplayer	1
recommended_runtime	proton-7.0-6
requires_h264	0
requires_voice_files	0
gamescope_frame_limiter_not_supported	0
hdr_support	0

Content Descriptors

Frequent Violence or Gore (2), General Mature Content (5)

First seen on SteamDB

3 February 2021 – 01:06:55 UTC (), in changelist #10635995

Content Descriptors (Including DLC)

Frequent Violence or Gore (2), General Mature Content (5)

Supported Languages

12 Languages	Interface	Full Audio	Subtitles	Achievements
English	Yes	Yes	Yes	Yes
French	Yes	Yes	Yes	Yes
Italian	Yes	Yes	Yes	Yes
German	Yes	Yes	Yes	Yes
Spanish - Spain	Yes	Yes	Yes	Yes
Japanese	Yes	Yes	Yes	Yes
Korean	Yes	Yes	Yes	Yes
Polish	Yes		Yes	Yes
Portuguese - Brazil	Yes		Yes	Yes
Simplified Chinese	Yes	Yes	Yes	Yes
Spanish - Latin America	Yes		Yes	Yes
Russian	Yes		Yes	Yes

Hardware Categories

Full Controller Support

Assets

Load all asset images

clienticon

9ca447eb170a857e47d3a5dde64824a3f98b9f5e

clienttga

fa6572258660d7cd41d66e89e931e00b94c545c8

icon

c3ce7b2c108283a422c4bd44dcfe8cbc17fb4c88

clienticns

63c994113dc99985a7375aa498c0913adf401116

LinuxClientIcon

8cf8ee8f74491aa5347eab7542a6e395e6564c52

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
logo_position/pinned_position	BottomLeft
logo_position/width_pct	50.11627906976748
logo_position/height_pct	100
library_header ↴
image/english	library_header.jpg

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	c3ce7b2c108283a422c4bd44dcfe8cbc17fb4c88.jpg
page_background_path	app/1544020
raw_page_background	page_bg_raw.jpg
timestamp	13 October 2025 – 04:56:43 UTC

Trailers

642833 ↴
trailer_name	The Callisto Protocol - Anniversary Trailer
trailer_category	0
trailer_480p/video/webm	256990264/movie480_vp9.webm
trailer_480p/video/mp4	256990264/movie480.mp4
trailer_max/video/webm	256990264/movie_max_vp9.webm
trailer_max/video/mp4	256990264/movie_max.mp4
microtrailer/video/webm	1544020/642833/25bdfb6eaababc4d89f9436df6df797da4692515/1750699522/microtrailer.webm
microtrailer/video/mp4	1544020/642833/25bdfb6eaababc4d89f9436df6df797da4692515/1750699522/microtrailer.mp4
adaptive_trailers/0/cdn_path	1544020/642833/25bdfb6eaababc4d89f9436df6df797da4692515/1750699522/dash_av1.mpd
adaptive_trailers/0/encoding	dash_av1
adaptive_trailers/1/cdn_path	1544020/642833/25bdfb6eaababc4d89f9436df6df797da4692515/1750699522/dash_h264.mpd
adaptive_trailers/1/encoding	dash_h264
adaptive_trailers/2/cdn_path	1544020/642833/25bdfb6eaababc4d89f9436df6df797da4692515/1750699522/hls_264_master.m3u8
adaptive_trailers/2/encoding	hls_h264
screenshot_medium	256990264/movie.293x165.jpg
screenshot_full	256990264/movie_full.jpg
all_ages	true
is_highlight	true
timestamp	1703127517
516133 ↴
trailer_name	The Callisto Protocol - Launch trailer
trailer_category	0
trailer_480p/video/webm	256917573/movie480_vp9.webm
trailer_480p/video/mp4	256917573/movie480.mp4
trailer_max/video/webm	256917573/movie_max_vp9.webm
trailer_max/video/mp4	256917573/movie_max.mp4
microtrailer/video/webm	1544020/516133/f15080835c9cd0af66d6a52eeee6cb6d85b5cc63/1750700386/microtrailer.webm
microtrailer/video/mp4	1544020/516133/f15080835c9cd0af66d6a52eeee6cb6d85b5cc63/1750700386/microtrailer.mp4
adaptive_trailers/0/cdn_path	1544020/516133/f15080835c9cd0af66d6a52eeee6cb6d85b5cc63/1750700386/dash_av1.mpd
adaptive_trailers/0/encoding	dash_av1
adaptive_trailers/1/cdn_path	1544020/516133/f15080835c9cd0af66d6a52eeee6cb6d85b5cc63/1750700386/dash_h264.mpd
adaptive_trailers/1/encoding	dash_h264
adaptive_trailers/2/cdn_path	1544020/516133/f15080835c9cd0af66d6a52eeee6cb6d85b5cc63/1750700386/hls_264_master.m3u8
adaptive_trailers/2/encoding	hls_h264
screenshot_medium	256917573/movie.293x165.jpg
screenshot_full	256917573/movie_full.jpg
all_ages	true
is_highlight	true
timestamp	1669177504
501742 ↴
trailer_name	The Callisto Protocol - Trailer
trailer_category	0
trailer_480p/video/webm	256909030/movie480_vp9.webm
trailer_480p/video/mp4	256909030/movie480.mp4
trailer_max/video/webm	256909030/movie_max_vp9.webm
trailer_max/video/mp4	256909030/movie_max.mp4
microtrailer/video/webm	1544020/501742/8c2fbdb8e7ae0ccf40ef106a1f0c21277de0c30f/1750699466/microtrailer.webm
microtrailer/video/mp4	1544020/501742/8c2fbdb8e7ae0ccf40ef106a1f0c21277de0c30f/1750699466/microtrailer.mp4
adaptive_trailers/0/cdn_path	1544020/501742/8c2fbdb8e7ae0ccf40ef106a1f0c21277de0c30f/1750699466/dash_av1.mpd
adaptive_trailers/0/encoding	dash_av1
adaptive_trailers/1/cdn_path	1544020/501742/8c2fbdb8e7ae0ccf40ef106a1f0c21277de0c30f/1750699466/dash_h264.mpd
adaptive_trailers/1/encoding	dash_h264
adaptive_trailers/2/cdn_path	1544020/501742/8c2fbdb8e7ae0ccf40ef106a1f0c21277de0c30f/1750699466/hls_264_master.m3u8
adaptive_trailers/2/encoding	hls_h264
screenshot_medium	256909030/movie.293x165.jpg
screenshot_full	256909030/movie_full.jpg
all_ages	true
is_highlight	true
timestamp	1664826639
469738 ↴
trailer_name	The Callisto Protocol - Announce Trailer
trailer_category	0
trailer_480p/video/webm	256890370/movie480_vp9.webm
trailer_480p/video/mp4	256890370/movie480.mp4
trailer_max/video/webm	256890370/movie_max_vp9.webm
trailer_max/video/mp4	256890370/movie_max.mp4
microtrailer/video/webm	1544020/469738/abd7fbae1a001713cfe3f89d758220801b141cd2/1750699465/microtrailer.webm
microtrailer/video/mp4	1544020/469738/abd7fbae1a001713cfe3f89d758220801b141cd2/1750699465/microtrailer.mp4
adaptive_trailers/0/cdn_path	1544020/469738/abd7fbae1a001713cfe3f89d758220801b141cd2/1750699465/dash_av1.mpd
adaptive_trailers/0/encoding	dash_av1
adaptive_trailers/1/cdn_path	1544020/469738/abd7fbae1a001713cfe3f89d758220801b141cd2/1750699465/dash_h264.mpd
adaptive_trailers/1/encoding	dash_h264
adaptive_trailers/2/cdn_path	1544020/469738/abd7fbae1a001713cfe3f89d758220801b141cd2/1750699465/hls_264_master.m3u8
adaptive_trailers/2/encoding	hls_h264
screenshot_medium	256890370/movie.293x165.jpg
screenshot_full	256890370/movie_full.jpg
all_ages	true
is_highlight	true
timestamp	1666658242

Depots

ID	Configuration	Size	DL.
228988	Windows Shared InstallDepot from 228980VC 2019 Redist	No size
228990	Windows Shared InstallDepot from 228980DirectX Jun 2010 Redist	No size
1544021	Windows	75.81 GiB	71.96 GiB
1544029		75.81 GiB	72.03 GiB
1544022	Spanish - Spain	2.70 GiB	2.68 GiB
1544023	Korean	2.58 GiB	2.56 GiB
1544024	Japanese	2.67 GiB	2.65 GiB
1544025	Italian	2.60 GiB	2.58 GiB
1544026	German	2.63 GiB	2.61 GiB
1544027	French	2.64 GiB	2.62 GiB
1544028	Simplified Chinese	2.57 GiB	2.56 GiB

Total size on disk is 170.00 GiB and total download size is 162.25 GiB.

Total size on disk is 151.62 GiB and total download size is 143.99 GiB, when filtered to Windows, English, no DLC depots.

Branches

Name	Description	Build ID	Time Updated
public		14745831	30 July 2024 – 17:09:22 UTC

Other

Name	Value
hasdepotsindlc	0
privatebranches	1

The Callisto Protocol

Additional Information

Supported Languages

Tags

Categories

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Depots

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