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39 Days to Mars

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App ID 504920
App Type Game
Developer
Publisher It's Anecdotal
Franchise It's Anecdotal
Supported Systems Windows macOS Linux
Technologies Unity Engine
Last Changenumber 28974127
Last Record Update 14 May 2025 – 05:47:37 UTC ()
Release Date 25 April 2018 – 16:27:55 UTC ()
❓ 79.23%
317 reviews
0
In-Game
+5
🤝 Co-op 🗺️ Adventure 🧩 Puzzle 👥 Local Co-Op 📺 Local Multiplayer

Embark on the 19th century's most unreliable spaceship in this 2 player couch co-op adventure. 39 Days to Mars is a unique game designed to be played with a friend, where both players have important roles in the expedition. Solo players are aided by the computer-controlled ship's cat.

Additional Information

Developer It's Anecdotal
metacritic_name 39 Days to Mars
controller_support full
metacritic_score 71
metacritic_fullurl https://www.metacritic.com/game/pc/39-days-to-mars?ftag=MCD-06-10aaa1f
community_visible_stats Yes
ReleaseState released
Publisher It's Anecdotal
Store Release Date 25 April 2018 – 16:28:08 UTC ()
osarch empty string
community_hub_visible Yes
Social Media https://www.facebook.com/ItsAnecdotal/
https://www.twitch.tv/itsanecdotal
https://x.com/ItsAnecdotal
https://www.youtube.com/channel/UCTnFQXUllrFInFWOnrkqSOw/
Primary Genre Adventure (25)
Store Genres Adventure (25), Indie (23)
Steam Release Date 25 April 2018 – 16:27:55 UTC ()
Store Asset Modification Time 28 April 2025 – 23:12:20 UTC () (1745881940)
library_assets
library_capsuleen,ru,zh-cn,pt-br,pt,zh-tw
library_heroen
library_logoen,pt-br,ru,zh-cn,zh-tw,pt
logo_position ↴
pinned_positionCenterCenter
width_pct100
height_pct100
osextended macos64
review_score 8
review_percentage 85
Detected Technologies (?) Unity Engine
Steam Deck Compatibility
  • Steam Deck:
  • Entering some text requires manually invoking the on-screen keyboard
  • 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 support cross-platform saved games
  •  
  • SteamOS:
  • This game runs successfully on SteamOS
  • Note: Entering some text requires manually invoking the on-screen keyboard
  • Note: This game does not support cross-platform saved games
  •  
  • category: Playable
  • steamos_compatibility: Compatible
  • test_timestamp: 2 June 2023 – 00:00:00 UTC
  • tested_build_id: 4915046
  • configuration:
    supported_inputgamepad
    requires_manual_keyboard_invoke1
    requires_non_controller_launcher_nav0
    primary_player_is_controller_slot_00
    non_deck_display_glyphs0
    small_text0
    requires_internet_for_setup0
    requires_internet_for_singleplayer0
    recommended_runtimeproton-8.0-2
    requires_h2640
    requires_voice_files0
    gamescope_frame_limiter_not_supported0
    hdr_support0
First seen on SteamDB 20 July 2016 – 17:27:16 UTC (), in changelist #2115159

Supported Languages

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

Tags

🤝 Co-op 🗺️ Adventure 🧩 Puzzle 🕹️ Multiplayer 👥 Local Co-Op 📺 Local Multiplayer 🤝 Co-op Campaign 👤 Singleplayer 🌫 Atmospheric 👪 Family Friendly 🔋 Physics 🎮 Controller 🧷 Steampunk 🎨 Hand-drawn 🏽 2D 🌠 Space 🌱 Indie

Categories

Single-player Shared/Split Screen Co-op Steam Achievements Steam Trading Cards Steam Cloud Remote Play on TV Remote Play Together Family Sharing Shared/Split Screen Multi-player Co-op

Hardware Categories

Full Controller Support Native Steam Controller

Accessibility Categories

Color Alternatives Stereo Sound

Assets

Load all asset images
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logo_small 9ce38bd62c0809e5c237114d8f4cfd99688cd6ca_thumb
clienticns d7dc97eedea9b59bab16d9e8849415bcb43d9ea4
LinuxClientIcon e18dcb7c06958216cd240b3992ea6c97aabbbe28
small_capsule
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braziliancapsule_231x87_brazilian.jpg
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schinesecapsule_231x87_schinese.jpg
tchinesecapsule_231x87_tchinese.jpg
header_image
englishheader.jpg
brazilianheader_brazilian.jpg
russianheader_russian.jpg
schineseheader_schinese.jpg
tchineseheader_tchinese.jpg
library_assets_full
library_capsule ↴
image/englishlibrary_600x900.jpg
image/russianlibrary_600x900_russian.jpg
image/schineselibrary_600x900_schinese.jpg
image/brazilianlibrary_600x900_brazilian.jpg
image/portugueselibrary_600x900_portuguese.jpg
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image2x/portugueselibrary_600x900_portuguese_2x.jpg
image2x/tchineselibrary_600x900_tchinese_2x.jpg
library_hero ↴
image/englishlibrary_hero.jpg
library_logo ↴
image/englishlogo.png
image/brazilianlogo_brazilian.png
image/russianlogo_russian.png
image/schineselogo_schinese.png
image/tchineselogo_tchinese.png
image/portugueselogo_portuguese.png
image2x/englishlogo_2x.png
image2x/brazilianlogo_brazilian_2x.png
image2x/russianlogo_russian_2x.png
image2x/schineselogo_schinese_2x.png
image2x/tchineselogo_tchinese_2x.png
image2x/portugueselogo_portuguese_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
library_capsulelibrary_600x900.jpg
library_capsule_2xlibrary_600x900_2x.jpg
library_herolibrary_hero.jpg
community_icon3119e7525f7672db85e17d713ae9ca0aea914eca.jpg
page_background_pathapp/504920
raw_page_backgroundpage_bg_raw.jpg
timestamp28 April 2025 – 23:12:33 UTC

Trailer 151553 ↴

trailer_name Gameplay Trailer
trailer_category 0
trailer_480p ↴
video/webm 256711349/movie480.webm
video/mp4 256711349/movie480.mp4
trailer_max ↴
video/webm 256711349/movie_max.webm
video/mp4 256711349/movie_max.mp4
microtrailer ↴
video/webm 504920/151553/15e60ea267f5e2d1e93bc17b9574c1178ec1a181/1751294435/microtrailer.webm
video/mp4 504920/151553/15e60ea267f5e2d1e93bc17b9574c1178ec1a181/1751294435/microtrailer.mp4
adaptive_trailers ↴
dash_av1 504920/151553/15e60ea267f5e2d1e93bc17b9574c1178ec1a181/1751294435/dash_av1.mpd
dash_h264 504920/151553/15e60ea267f5e2d1e93bc17b9574c1178ec1a181/1751294435/dash_h264.mpd
hls_h264 504920/151553/15e60ea267f5e2d1e93bc17b9574c1178ec1a181/1751294435/hls_264_master.m3u8
screenshot_medium 256711349/movie.293x165.jpg
screenshot_full 256711349/movie_full.jpg
all_ages true
is_highlight true
timestamp 13 March 2018 – 16:56:02 UTC

Steam charts

  • 0 players right now
  • 2 24-hour peak
  • 16 all-time peak 20 July 2019
SteamDB.info

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Store data

Twitch stats

  • 0 viewers right now
  • 0 24-hour peak
  • 5,772 all-time peak
  •  

Owner estimations

Monthly players breakdown

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Steam hub followers history

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User reviews history

  • ❓ Very Positive
  • 79.23% SteamDB Rating
  • 271 85.5% positive reviews
  • 46 14.5% negative reviews

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How many players are playing 39 Days to Mars right now on Steam?

Steam player counter indicates there are currently 0 players live playing 39 Days to Mars on Steam.

39 Days to Mars had an all-time peak of 16 concurrent players on 20 July 2019.

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