Steam

687 Days on Mars

Also known as 687 Days on Mars, 687 days on mars, 687-days-on-mars

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?

Last update

6 Aug 2026

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Latest update

Patch notesPublished 02 Apr 2026

Time to think Astronauts!

Hello Astronauts! Another transmission from Mars comes in… 🧑‍🚀 As you saw before, Mars will require plenty of endurance and grit from you to survive it. But also some quick thinking and a flexible mind! Conditions can…

6 changesGameplayBalanceRead patch notes

Update history

Browse past updates and patch notes for this game.

19 updates

July 2026
A Normal Day on MarsHello Mars Survivors! 👋 Over the last few weeks, we've been focused primarily on testing, balancing, and polishing the game to make your experience on Mars as smooth as possible. 🛠️ But that's not all! We've also been…Event9 changesUI/audioBalance22d ago
June 2026
Hello Survivors! 👋 A bright new day on Mars, a perfect moment to check out another devlog! This time we're showing an upgrade to our existing vehicle to make it better suited for Mars conditions and more helpful for lo…7 changesGameplayMaps23 Jun 2026
May 2026
Seasons of MarsHello Astronauts! 👋 Welcome to the new devlog! Today we're talking about ever-changing Mars, which will not stay static while you are trying to survive in it. Mars is not just one big desert - It is a planet with seaso…Event6 changesGameplayBalance08 May 2026
March 2026
Hello Mars Survivors! 👋 Another day, another devlog! Last time we talked about resources that you will find throughout the exploration of Mars, now we're going to talk about your life in this incredible yet hostile pla…7 changesMapsGameplay06 Mar 2026
February 2026
Hey Martians! 👋 The 687 Days on Mars Team invites you to a LIVE Dev stream on Twitch that is happening... 🚀 RIGHT NOW! 👨‍🚀 One of our devs will host the stream, where you can: See the game from the inside. Ask quest…2 changesGameplayUI/audio13 Feb 2026
Hey Martians! 👋 The 687 Days on Mars Team invites you to a LIVE Dev stream on Twitch next Friday, February 13, 2026, at 8:00 PM CET! 🚀 One of our devs will host the stream, where you can: See the game from the inside.…3 changesGameplayBalance06 Feb 2026
Hello Mars Survivors! 👋 Another day on harsh plains of the Red Planet, another devlog with a new wave of information that will help in your survival. This time we have plenty of new tools to show you, which will greatl…6 changesBalanceGameplay04 Feb 2026
December 2025
Dear Mars Survivors! 🎅 Christmas and New Year are in front of us, even on Mars! We wish you the best findings, the greatest views from your bases, reliable vehicles that never break down, and the strength to make Mars…24 Dec 2025
Hello there fresh Martians!👋 Today we are coming with another devlog, this time something more stable and homely, like BASE BUILDING! The most important part of the game, your base. A place that gives you shelter from…1 changeUI/audio17 Dec 2025
November 2025
Greetings Survivors! 👋 It's been over a month since the release of the Demo version of 687 Days on Mars and the first thing we want to say is.. Thank you! 🔥 Over 20 000 people played the demo which is a staggering num…2 changesUI/audioBalance17 Nov 2025
October 2025
Hello Astronauts! 👋 We are happy to announce that 687 Days on Mars Demo is part of the Steam Next Fest October 2025 Edition! 🔥 We're excited to be part of this event with Steam and we want you to try what we prepared…13 Oct 2025

Older updates

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Time to think Astronauts!

July 2026

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