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687 Days on Mars Demo

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App ID 3850990
App Type Demo
Developer
Publisher Games Incubator, PlayWay S.A.
Franchise Games Incubator, PlayWay S.A.
Supported Systems Windows
Last Changenumber 31309323
Last Record Update 25 September 2025 – 15:16:25 UTC ()
Release Date 2 October 2025 – 13:00:00 UTC ()
Parent App 687 Days on Mars (3850980)

687 Days on Mars is a survival game where you are stranded alone on Mars - your task is to manage resources, build a base from scratch, grow food, and explore the red planet in search of supplies and other hidden challenges. Every breath and decision counts - can you survive on the Red Planet?

There is only partial information available about this app as SteamDB is missing the access token.

Screenshots

Additional Information

This demo is excluded from Steam Family Sharing because: This content type cannot be shared

ReleaseState prerelease
Exclude from family sharing (exfgls) 6 (This content type cannot be shared)
Store Release Date 2 October 2025 – 13:00:00 UTC ()
osarch empty string
Social Media https://discord.gg/nQKp5t2qrP
https://www.facebook.com/gamesincubator/
https://www.instagram.com/games_incubator/
https://www.tiktok.com/@gamesincubator
https://x.com/GamesIncubator
https://www.youtube.com/@GamesIncubator
Primary Genre Simulation (28)
Store Genres Adventure (25), Indie (23), Simulation (28)
Store Asset Modification Time 22 September 2025 – 21:38:42 UTC () (1758577122)
library_assets
library_capsuleen
library_heroen
library_hero_bluren
library_logoen
library_headeren
logo_position ↴
pinned_positionBottomLeft
width_pct99.82738780207134
height_pct100
osextended empty string
Is free on the store? Yes
controllertagwizard Yes
First seen on SteamDB 30 June 2025 – 08:15:52 UTC (), in changelist #29818597

Supported Languages

13 Languages Interface Full Audio Subtitles
English Yes Yes Yes
French Yes Yes
Italian Yes Yes
German Yes Yes
Spanish - Spain Yes Yes
Japanese Yes Yes
Korean Yes Yes
Polish Yes Yes
Portuguese - Brazil Yes Yes
Russian Yes Yes
Simplified Chinese Yes Yes
Traditional Chinese Yes Yes
Turkish Yes Yes

Categories

Single-player Game demo

Assets

Load all asset images
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header_image
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library_assets_full
library_capsule ↴
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library_hero ↴
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image/englishb915ebae8126ae0f7b93f6de67a593f85b5765d1/library_hero.jpg
library_hero_blur ↴
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library_logo ↴
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logo_position/width_pct99.82738780207134
logo_position/height_pct100
library_header ↴
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Assets
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header0c4a294ecf1236eef2e48dd6a51c118350361684/header.jpg
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community_icon838a05bd224be9a020ffadc436a18a710018aa33.jpg
page_background_pathapp/3850990
timestamp25 September 2025 – 13:23:42 UTC
Trailers
257204288 ↴
trailer_name687 Days on Mars Demo Trailer
trailer_category1
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timestamp1758803379
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