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Mercury Fallen

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App ID 704510
App Type Game
Developer
Publisher indie.io
Franchise indie.io
Supported Systems Windows macOS
Technologies Unity Engine
Last Changenumber 29914935
Last Record Update 6 July 2025 – 01:10:22 UTC ()
Release Date 22 August 2023 – 16:00:07 UTC ()
❓ 75.47%
291 reviews
3
In-Game
🧊 3D 🚀 Sci-fi 💼 Management 🌲 Survival 🌆 Isometric

A sci-fi colony management sim with a focus on exploration, expansion, and survival. Rebuild your underground facility, manage colonists and robots, and uncover the mysteries of an alien world light-years from Earth. Dig deep, expand across the surface, and shape your new home.

Additional Information

Developer Nitrous Butterfly
metacritic_name Mercury Fallen
community_visible_stats Yes
workshop_visible Yes
ReleaseState released
Publisher indie.io
Store Release Date 22 August 2023 – 16:00:27 UTC ()
osarch 64
community_hub_visible Yes
Social Media https://discord.gg/WdndeXx
https://www.facebook.com/mercfall/
https://www.linkedin.com/in/tim-pelham-25851524/
https://www.reddit.com/r/mercuryfallen/
https://x.com/mercuryfall
https://www.youtube.com/@nitrousbutterfly
Primary Genre Simulation (28)
Store Genres Indie (23), Simulation (28), Strategy (2)
Steam Release Date 22 August 2023 – 16:00:07 UTC ()
Store Asset Modification Time 20 February 2025 – 17:10:42 UTC () (1740071442)
library_assets
library_capsuleen
library_heroen
library_hero_bluren
library_logoen
library_headeren
logo_position ↴
pinned_positionBottomLeft
width_pct85.29604864771838
height_pct100
osextended macos64
review_score 8
review_percentage 81
Detected Technologies (?) Unity Engine, UnityURP SDK
Steam Deck Compatibility
  • Steam Deck:
  • This game sometimes shows mouse, keyboard, or non-Steam-Deck controller icons
  • Entering some text requires manually invoking the on-screen keyboard
  • 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
  • Note: Entering some text requires manually invoking the on-screen keyboard
  •  
  • category: Playable
  • steamos_compatibility: Compatible
  • test_timestamp: 12 November 2022 – 00:00:00 UTC
  • tested_build_id: 9372022
  • configuration:
    supported_inputother
    requires_manual_keyboard_invoke1
    requires_non_controller_launcher_nav0
    primary_player_is_controller_slot_00
    non_deck_display_glyphs1
    small_text1
    requires_internet_for_setup0
    requires_internet_for_singleplayer0
    recommended_runtimeproton-stable
    requires_h2640
    requires_voice_files0
    gamescope_frame_limiter_not_supported0
    hdr_support0
Early Access Release Date 16 October 2017 – 00:00:00 UTC ()
First seen on SteamDB 24 August 2017 – 17:20:01 UTC (), in changelist #3329690

Supported Languages

1 Languages Interface Full Audio Subtitles
English Yes

Tags

🧊 3D 🚀 Sci-fi 💼 Management 🌲 Survival 🌆 Isometric 🛖 Colony Sim 🏠 Base Building 🏠 Building 🗺 Exploration 😌 Casual 👤 Singleplayer 🖥️ Simulation 🔀 Procedural Generation 🕳️ Underground 🌆 Futuristic ⛏️ Mining 🌠 Space 🔧 Crafting 🔬 Science 💡 Strategy

Categories

Single-player Steam Trading Cards Steam Workshop Steam Cloud Family Sharing Cloud Gaming Cloud Gaming (NVIDIA)

Assets

Load all asset images
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clienttga 9c26b3b0e5260587c4d4b4eadef22c732e6c1696
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header_image
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library_assets_full
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library_hero ↴
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library_hero_blur ↴
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library_logo ↴
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Assets
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headerheader.jpg
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library_heroa712b70ac0846410c5a731a00b7ebbc60722b31f/library_hero.jpg
library_hero_2xa712b70ac0846410c5a731a00b7ebbc60722b31f/library_hero_2x.jpg
community_icon8bc42718269b7a3f32ae30df0ecd6da6b9896c3c.jpg
page_background_pathapp/704510
raw_page_background5cd6c7549b1f8caed850aa23a16d9c7245bfded9/page_bg_raw.jpg
timestamp24 February 2025 – 21:59:26 UTC
Trailers
257100511 ↴
trailer_nameSteam Teaser
trailer_category0
trailer_480p/video/webm257100511/movie480_vp9.webm
trailer_480p/video/mp4257100511/movie480.mp4
trailer_max/video/webm257100511/movie_max_vp9.webm
trailer_max/video/mp4257100511/movie_max.mp4
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screenshot_medium257100511/640176ca7427cf6d443c057dd652b6c9bf76e825/movie_600x337.jpg
screenshot_full257100511/640176ca7427cf6d443c057dd652b6c9bf76e825/movie_full.jpg
trailer_base_id832499
all_agestrue
is_highlighttrue
timestamp1740070883

Depots

ID Configuration Size DL.
704513 Windows Mercury Fallen Win64 648.76 MiB 209.79 MiB
704514 macOS Mercury Fallen Mac64 633.18 MiB 203.43 MiB

Total size on disk is 1.25 GiB and total download size is 413.22 MiB.

Total size on disk is 648.76 MiB and total download size is 209.79 MiB, when filtered to Windows, English, no DLC depots.

Branches

Name Description Build ID Time Updated
public 14469606 5 June 2024 – 11:14:33 UTC
experimental Experimental 14469606 23 May 2024 – 14:06:59 UTC
update_1.17 Patch Update 1.17 13382679 12 May 2024 – 16:21:52 UTC

Other

Name Value
workshopdepot Mercury Fallen (704510)
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