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39 Days to Mars

Wishlist Follow Ignore Install Unwatch Watch
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 ()
❓ 79.14%
315 reviews
1
In-Game

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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clienttga ba6aa1e3e9b2d9c660fed724904c2149f41075a5
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logo 9ce38bd62c0809e5c237114d8f4cfd99688cd6ca
logo_small 9ce38bd62c0809e5c237114d8f4cfd99688cd6ca_thumb
clienticns d7dc97eedea9b59bab16d9e8849415bcb43d9ea4
LinuxClientIcon e18dcb7c06958216cd240b3992ea6c97aabbbe28
small_capsule
englishcapsule_231x87.jpg
braziliancapsule_231x87_brazilian.jpg
russiancapsule_231x87_russian.jpg
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
image/tchineselibrary_600x900_tchinese.jpg
image2x/englishlibrary_600x900_2x.jpg
image2x/russianlibrary_600x900_russian_2x.jpg
image2x/schineselibrary_600x900_schinese_2x.jpg
image2x/brazilianlibrary_600x900_brazilian_2x.jpg
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
Trailers
256711349 ↴
trailer_nameGameplay Trailer
trailer_category0
trailer_480p/video/webm256711349/movie480.webm
trailer_480p/video/mp4256711349/movie480.mp4
trailer_max/video/webm256711349/movie_max.webm
trailer_max/video/mp4256711349/movie_max.mp4
microtrailer/video/webm504920/151553/15e60ea267f5e2d1e93bc17b9574c1178ec1a181/1751294435/microtrailer.webm
microtrailer/video/mp4504920/151553/15e60ea267f5e2d1e93bc17b9574c1178ec1a181/1751294435/microtrailer.mp4
screenshot_medium256711349/movie.293x165.jpg
screenshot_full256711349/movie_full.jpg
trailer_base_id151553
all_agestrue
is_highlighttrue
timestamp1520960162

Store Packages

SubID Name Billing Type Last Update
116276 39 Days to Mars Store or CD Key 26 June 2025 – 17:26:49 UTC

Packages

SubID Name Billing Type Last Update
116274 Steam Sub 116274 CD Key 21 October 2024 – 17:50:48 UTC
116275 39 Days to Mars for Press CD Key 3 April 2018 – 05:02:16 UTC
267807 39 Days to Mars ( 504920 ) - complimentary reviewer package No Cost 23 April 2018 – 09:45:28 UTC

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