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Firmament

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App ID 754890
App Type Game
Developer
Publisher Cyan Worlds Inc
Supported Systems Windows macOS
Technologies Unreal Engine
Last Changenumber 29814140
Last Record Update 29 June 2025 – 23:13:23 UTC ()
Release Date 18 May 2023 – 17:00:22 UTC ()
😌 68.71%
1k reviews
4
In-Game

Firmament is a new puzzle-adventure game by the legendary game studio behind the best-selling games Myst and Riven. Featuring deep storytelling and world-building, discover the story of this seemingly abandoned world as you explore and unlock the mysteries of 3 unique Realms… and beyond!

Additional Information

Developer Cyan Worlds Inc
controller_support full
GameManualURL https://store.steampowered.com/manual/754890/
community_visible_stats Yes
DLCAvailableOnStore Yes
ReleaseState released
Publisher Cyan Worlds Inc
Store Release Date 18 May 2023 – 17:00:26 UTC ()
osarch 64
community_hub_visible Yes
ControllerVr
steamvr1
oculus1
PlayAreaVr
seated1
standing1
roomscale ↴
width2
depth1.5
360_required0
vrheadsetstreaming Yes
Primary Genre Adventure (25)
Store Genres Adventure (25), Indie (23)
Steam Release Date 18 May 2023 – 17:00:22 UTC ()
Store Asset Modification Time 12 June 2025 – 23:17:17 UTC () (1749770237)
library_assets
library_capsuleen
library_heroen
library_logoen
logo_position ↴
pinned_positionCenterCenter
width_pct100
height_pct100
osextended macos64,macosapplesilicon
review_score 6
review_percentage 71
Detected Technologies (?) Unreal Engine, Intel_OID SDK, Intel_XeSS SDK, Intel_oneTBB SDK, NVIDIA_APEX SDK, NVIDIA_Ansel SDK, NVIDIA_DLSS SDK, NVIDIA_Nsight_Aftermath SDK, NVIDIA_PhysX SDK, NvCloth SDK, OculusXRPlugin SDK, Ogg SDK, OpenVR SDK, OpenXR SDK, Vorbis SDK, XAudio2 SDK
OpenXrSupport Yes
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: 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: 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: 11 May 2023 – 00:00:00 UTC
  • tested_build_id: 11184628
  • configuration:
    supported_inputgamepad
    requires_manual_keyboard_invoke0
    requires_non_controller_launcher_nav0
    primary_player_is_controller_slot_01
    non_deck_display_glyphs0
    small_text0
    requires_internet_for_setup0
    requires_internet_for_singleplayer0
    recommended_runtimeproton-8.0-2
    requires_h2641
    requires_voice_files0
    gamescope_frame_limiter_not_supported0
    hdr_support0
controllertagwizard Yes
First seen on SteamDB 13 November 2017 – 21:40:45 UTC (), in changelist #3681657

Supported Languages

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

Tags

🧩 Puzzle 🗺️ Adventure 🗺 Exploration 🤫 Mystery 📚 Story Rich 👤 Singleplayer 🚶 Walking Simulator 🥽 VR 🧊 3D 🌫 Atmospheric 🧷 Steampunk 📚 Narration 👪 Family Friendly 🔍 Investigation 🎶 Soundtrack 🍿 Cinematic ⛓ Dystopian 🎭 Fantasy 🌱 Indie

Categories

Single-player Steam Achievements Captions available Steam Cloud Remote Play on TV Family Sharing

Hardware Categories

Tracked Controller Support VR Supported Full Controller Support DualShock Controllers (USB Only) DualShock Controllers DualSense Controllers (USB Only) DualSense Controllers

Assets

Load all asset images
clienticon e38db9821cc3b032ef5db25f49d59559e5df8f48
clienttga d00d15b458b5843fd7597392e856780e89de5dda
icon 8b44eea7e75896789d057fb2bd2dc32e7800b764
clienticns 1607d37e1c97d4bbbe3e392f7814ee5056869018
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_pct100
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_icon8b44eea7e75896789d057fb2bd2dc32e7800b764.jpg
page_background_pathapp/754890
raw_page_backgroundpage_bg_raw.jpg
timestamp12 June 2025 – 23:17:32 UTC
Trailers
256945859 ↴
trailer_nameFirmament Official Launch Trailer
trailer_category1
trailer_480p/video/webm256945859/movie480_vp9.webm
trailer_480p/video/mp4256945859/movie480.mp4
trailer_max/video/webm256945859/movie_max_vp9.webm
trailer_max/video/mp4256945859/movie_max.mp4
microtrailer/video/webm754890/565936/05b4d9510ff8b2c7e588795408ec04cb2b6c94bb/1750579221/microtrailer.webm
microtrailer/video/mp4754890/565936/05b4d9510ff8b2c7e588795408ec04cb2b6c94bb/1750579221/microtrailer.mp4
screenshot_medium256945859/movie.293x165.jpg
screenshot_full256945859/movie_full.jpg
trailer_base_id565936
all_agestrue
is_highlighttrue
timestamp1683577625
256940679 ↴
trailer_nameFirmament Official Cinematic Trailer
trailer_category3
trailer_480p/video/webm256940679/movie480_vp9.webm
trailer_480p/video/mp4256940679/movie480.mp4
trailer_max/video/webm256940679/movie_max_vp9.webm
trailer_max/video/mp4256940679/movie_max.mp4
microtrailer/video/webm754890/557074/01fc704205426367040c83055aaa79acdcf2b86b/1750579219/microtrailer.webm
microtrailer/video/mp4754890/557074/01fc704205426367040c83055aaa79acdcf2b86b/1750579219/microtrailer.mp4
screenshot_medium256940679/movie.293x165.jpg
screenshot_full256940679/movie_full.jpg
trailer_base_id557074
all_agestrue
is_highlighttrue
timestamp1683606984

Depots

ID Configuration Size DL.
228988 Windows Shared InstallDepot from 228980VC 2019 Redist No size
228989 Windows Shared InstallDepot from 228980VC 2022 Redist No size
228990 Windows Shared InstallDepot from 228980DirectX Jun 2010 Redist No size
229005 Windows Shared InstallDepot from 228980.NET 4.6 Redist No size
754891 Windows 64-bitFirmament Content 10.99 GiB 10.23 GiB
754892 Windows 64-bitFirmament Proof of Concept Depot 1.87 GiB 820.20 MiB
754893 macOS Firmament Mac Depot 19.12 GiB 12.20 GiB

Inner depots from DLC

ID Configuration Size DL.
2419480 Windows macOS 64-bitDLC 2419480Firmament - Digital Strategy Guide 8.24 MiB 7.71 MiB
2419481 Windows macOS 64-bitDLC 2419481Firmament - Digital Art Book 199.49 MiB 201.81 MiB

Total size on disk is 32.18 GiB and total download size is 23.44 GiB.

Total size on disk is 12.86 GiB and total download size is 11.03 GiB, when filtered to Windows, English, no DLC depots.

Branches

Name Description Build ID Time Updated
public 18833763 12 June 2025 – 23:13:30 UTC
rollback_macos_under14-5 Only use this branch if you wish to play an unsupported (legacy) version of Firmament on MacOS under 14.5. 16320978 7 November 2024 – 00:27:01 UTC

Other

Name Value
hasdepotsindlc 1
privatebranches 1
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