Mercury Fallen

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App ID	704510
App Type	Game
Developer	Nitrous Butterfly
Publisher	indie.io
Franchise	indie.io
Supported Systems	Windows macOS
Technologies	Unity Engine
Last Changenumber	31590114
Last Record Update	10 October 2025 – 08:19:40 UTC ()
Release Date	22 August 2023 – 16:00:07 UTC ()

❓ 75.09%

294 reviews

In-Game

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

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_capsule	en
library_hero	en
library_hero_blur	en
library_logo	en
library_header	en
logo_position ↴
pinned_position	BottomLeft
width_pct	85.29604864771838
height_pct	100

osextended

macos64

review_score

review_percentage

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_input	other
requires_manual_keyboard_invoke	1
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	0
hdr_support	0

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

Assets

Load all asset images

clienticon

86231eb7a65c90a1764bc19609998f176d36c906

clienttga

9c26b3b0e5260587c4d4b4eadef22c732e6c1696

icon

8bc42718269b7a3f32ae30df0ecd6da6b9896c3c

logo

ed2a6b8f28f76a72c86b11a21e871d9be3b96723

logo_small

ed2a6b8f28f76a72c86b11a21e871d9be3b96723_thumb

small_capsule

english

8da8205e268a9ce70207e1848458550c20587e8a/capsule_231x87.jpg

header_image

english

header.jpg

library_assets_full

library_capsule ↴
image/english	b6aa46cda55fa61d7ec9e80cdde05629721abf9e/library_600x900.jpg
image2x/english	b6aa46cda55fa61d7ec9e80cdde05629721abf9e/library_600x900_2x.jpg
library_hero ↴
image/english	a712b70ac0846410c5a731a00b7ebbc60722b31f/library_hero.jpg
image2x/english	a712b70ac0846410c5a731a00b7ebbc60722b31f/library_hero_2x.jpg
library_hero_blur ↴
image/english	a712b70ac0846410c5a731a00b7ebbc60722b31f/library_hero_blur.jpg
library_logo ↴
image/english	78882216e282f6e874fcbbe1ed501c75e887bfbb/logo.png
image2x/english	78882216e282f6e874fcbbe1ed501c75e887bfbb/logo_2x.png
logo_position/pinned_position	BottomLeft
logo_position/width_pct	85.29604864771838
logo_position/height_pct	100
library_header ↴
image/english	517218ec81407a0e4c76df5efabd93bb59dd5f1a/library_header.jpg
image2x/english	517218ec81407a0e4c76df5efabd93bb59dd5f1a/library_header_2x.jpg

Assets

main_capsule	9aa93200de7ce7417e3126dda1f18d61234a5aa5/capsule_616x353.jpg
small_capsule	8da8205e268a9ce70207e1848458550c20587e8a/capsule_231x87.jpg
header	header.jpg
page_background	5cd6c7549b1f8caed850aa23a16d9c7245bfded9/page_bg_v6.jpg
hero_capsule	927d3a269d9470088a35a6d42170cc2c1f891c95/hero_capsule.jpg
hero_capsule_2x	927d3a269d9470088a35a6d42170cc2c1f891c95/hero_capsule_2x.jpg
library_capsule	b6aa46cda55fa61d7ec9e80cdde05629721abf9e/library_600x900.jpg
library_capsule_2x	b6aa46cda55fa61d7ec9e80cdde05629721abf9e/library_600x900_2x.jpg
library_hero	a712b70ac0846410c5a731a00b7ebbc60722b31f/library_hero.jpg
library_hero_2x	a712b70ac0846410c5a731a00b7ebbc60722b31f/library_hero_2x.jpg
community_icon	8bc42718269b7a3f32ae30df0ecd6da6b9896c3c.jpg
page_background_path	app/704510
raw_page_background	5cd6c7549b1f8caed850aa23a16d9c7245bfded9/page_bg_raw.jpg
timestamp	24 February 2025 – 21:59:26 UTC

Trailer 832499 ↴

trailer_name	Steam Teaser
trailer_category	0
trailer_480p ↴
video/webm	257100511/movie480_vp9.webm
video/mp4	257100511/movie480.mp4
trailer_max ↴
video/webm	257100511/movie_max_vp9.webm
video/mp4	257100511/movie_max.mp4
microtrailer ↴
video/webm	704510/832499/6c4fdb6698b7baede21c75e51a0dbd30b452bfe8/1751133678/microtrailer.webm
video/mp4	704510/832499/6c4fdb6698b7baede21c75e51a0dbd30b452bfe8/1751133678/microtrailer.mp4
adaptive_trailers ↴
dash_av1	704510/832499/6c4fdb6698b7baede21c75e51a0dbd30b452bfe8/1751133678/dash_av1.mpd
dash_h264	704510/832499/6c4fdb6698b7baede21c75e51a0dbd30b452bfe8/1751133678/dash_h264.mpd
hls_h264	704510/832499/6c4fdb6698b7baede21c75e51a0dbd30b452bfe8/1751133678/hls_264_master.m3u8
screenshot_medium	257100511/640176ca7427cf6d443c057dd652b6c9bf76e825/movie_600x337.jpg
screenshot_full	257100511/640176ca7427cf6d443c057dd652b6c9bf76e825/movie_full.jpg
all_ages	true
is_highlight	true
timestamp	20 February 2025 – 17:01:23 UTC

Steam charts

Compare

2 players right now
5 24-hour peak
122 all-time peak 5 July 2020

SteamDB.info

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Store data

Twitch stats

0 viewers right now
0 24-hour peak
390 all-time peak

Owner estimations

~9.6 k by Gamalytic
~87.2 k by PlayTracker

Monthly players breakdown

Initializing Steam charts…

Steam hub followers history

Initializing followers chart…

User reviews history

❓ Very Positive
75.09% SteamDB Rating
237 80.6% positive reviews
57 19.4% negative reviews

Markers

Date	Label	30-day Peak
22 August 2023	Steam Release	-
6 November 2017	⇄ Indiegala: Monday Motivation Bundle #35	-
6 February 2025	⇄ Fanatical: Build Your Own Platinum Collection (February 2025)	-
11 September 2025	⇄ Fanatical: Build Your Own Special Editions Bundle (Fall 2025)	-

Suggest new noteworthy markers in our Discord #forum.

How many players are playing Mercury Fallen right now on Steam?

Steam player counter indicates there are currently 2 players live playing Mercury Fallen on Steam.

Mercury Fallen had an all-time peak of 122 concurrent players on 5 July 2020.

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Mercury Fallen

Additional Information

Supported Languages

Tags

Categories

Assets

Trailer 832499 ↴

Steam charts

Store data

Twitch stats

Owner estimations

Monthly players breakdown

Steam hub followers history

User reviews history

Markers