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Mars Underground

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App ID 578420
App Type Game
Developer
Publisher Matt Sanderson
Supported Systems Windows Linux
Technologies RPGMaker Engine
Last Changenumber 28975145
Last Record Update 14 May 2025 – 07:07:40 UTC ()
Release Date 14 March 2019 – 22:45:00 UTC ()
❓ 83.07%
48 reviews
0
In-Game

Mars Underground is an apocalyptic adventure where you relive the same day over and over. With each cycle new items can be picked up and topics unlocked.​ Explore the possibilities of this timeloop and uncover multiple endings.

Additional Information

This game is excluded from Steam Family Sharing because: Free Game

Developer Matt Sanderson
metacritic_name Mars Underground
controller_support full
community_visible_stats Yes
DLCAvailableOnStore Yes
ReleaseState released
Publisher Matt Sanderson
IsFreeApp Yes
Exclude from family sharing (exfgls) 3 (Free Game)
Store Release Date 14 March 2019 – 22:45:00 UTC ()
osarch empty string
community_hub_visible Yes
Primary Genre Adventure (25)
Store Genres Adventure (25), Indie (23), Free to Play (37)
Steam Release Date 14 March 2019 – 22:45:00 UTC ()
Store Asset Modification Time 14 March 2019 – 03:02:12 UTC () (1552532532)
Is free on the store? Yes
review_score 7
review_percentage 97
Detected Technologies (?) RPGMaker Engine, Greenworks SDK, NWJS SDK, NodeJS SDK
Steam Deck Compatibility
  • Steam Deck:
  • Some functionality is not accessible when using the default controller configuration, requiring use of the touchscreen or virtual keyboard, or a community configuration
  • This game sometimes shows mouse, keyboard, or non-Steam-Deck controller icons
  • In-game interface text is legible on Steam Deck
  • This game's default graphics configuration performs well on Steam Deck
  •  
  • SteamOS:
  • This game runs successfully on SteamOS
  • Note: Some functionality is not accessible when using the default controller configuration, requiring use of the touchscreen or virtual keyboard, or a community configuration
  •  
  • category: Playable
  • steamos_compatibility: Compatible
  • test_timestamp: 8 October 2024 – 00:00:00 UTC
  • tested_build_id: 3680743
  • configuration:
    supported_inputgamepad
    requires_manual_keyboard_invoke0
    requires_non_controller_launcher_nav0
    primary_player_is_controller_slot_00
    non_deck_display_glyphs1
    small_text0
    requires_internet_for_setup0
    requires_internet_for_singleplayer0
    recommended_runtimeproton-9.0-3RC
    requires_h2640
    requires_voice_files0
    gamescope_frame_limiter_not_supported0
    hdr_support0
restricted_countries DE
Germany
store_screenshot ss_ea40700b7887914cbdea0ceeb2a6c0fdcc226c36.jpg
First seen on SteamDB 6 January 2017 – 01:42:20 UTC (), in changelist #2589335

Supported Languages

1 Languages Interface Full Audio Subtitles
English Yes Yes

Tags

🗺️ Adventure 🌱 Indie 🆓 Free to Play 🏽 2D 👾 Pixel Graphics 📚 Story Rich 👾 Retro ⏳ Time Manipulation 📚 Interactive Fiction 〰️ Nonlinear 🧰 RPGMaker

Categories

Single-player Steam Achievements Steam Cloud Remote Play Together Profile Features Limited

Hardware Categories

Full Controller Support

Assets

Load all asset images
clienticon 514da80136a9bd69499d41529b3cefc62f614a67
clienttga 2adf90b568fe3c4e6d0b1af4a7a7892bab1c8f1a
icon 453c7272256366fae931d910f8d02b364f418868
logo 9b12f792deaf90fbfb29bc5844637d70a496301f
logo_small 9b12f792deaf90fbfb29bc5844637d70a496301f_thumb
small_capsule
englishcapsule_231x87.jpg
header_image
englishheader.jpg
Assets
main_capsulecapsule_616x353.jpg
small_capsulecapsule_231x87.jpg
headerheader.jpg
page_backgroundpage_bg_generated_v6b.jpg
library_capsuleportrait.png
community_icon453c7272256366fae931d910f8d02b364f418868.jpg
page_background_pathapp/578420
raw_page_backgroundpage_bg_raw.jpg
timestamp27 August 2024 – 04:11:30 UTC
Trailers
256744826 ↴
trailer_nameMars Underground: Coming March 15 2019
trailer_category0
trailer_480p/video/webm256744826/movie480.webm
trailer_480p/video/mp4256744826/movie480.mp4
trailer_max/video/webm256744826/movie_max.webm
trailer_max/video/mp4256744826/movie_max.mp4
microtrailer/video/webm256744826/microtrailer.webm
microtrailer/video/mp4256744826/microtrailer.mp4
screenshot_medium256744826/movie.293x165.jpg
screenshot_full256744826/movie_full.jpg
trailer_base_id212516
all_agestrue
is_highlighttrue
timestamp1552049246
256724799 ↴
trailer_nameMars Underground 2018 Trailer
trailer_category0
trailer_480p/video/webm256724799/movie480.webm
trailer_480p/video/mp4256724799/movie480.mp4
trailer_max/video/webm256724799/movie_max.webm
trailer_max/video/mp4256724799/movie_max.mp4
microtrailer/video/webm256724799/microtrailer.webm
microtrailer/video/mp4256724799/microtrailer.mp4
screenshot_medium256724799/movie.293x165.jpg
screenshot_full256724799/movie_full.jpg
trailer_base_id177169
all_agestrue
is_highlighttrue
timestamp1538025674

Steam charts

Share Compare
  • 0 players right now
  • 2 24-hour peak
  • 10 all-time peak 15 March 2019
SteamDB.info

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Store data

  • 272 followers
  • 47 positive reviews
  • 1 negative reviews
  • 97.92% positive reviews

Twitch stats

  • 0 viewers right now
  • 0 24-hour peak
  • 52 all-time peak
  •  

Owner estimations

Monthly players breakdown

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Steam hub followers history

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User reviews history

  • ❓ Positive
  • 83.07% SteamDB Rating
  • 47 97.9% positive reviews
  • 1 2.1% negative reviews

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Markers

Date Label 30-day Peak
14 March 2019 – 22:45 Steam Release -
29 January 2020 – 15:00 ⇄ Indiegala: Honeymoon on Mars Bundle -

Suggest new noteworthy markers in our Discord #forum.

How many players are playing Mars Underground right now on Steam?

Steam player counter indicates there are currently 0 players live playing Mars Underground on Steam.

Mars Underground had an all-time peak of 10 concurrent players on 15 March 2019.

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