Announcement
Achievments and Hints
This update adds Steam Achievements and includes more hints to move players in the right direction. Its a great time to play Mars 2055.
Read announcementSteam
Mars 2055
Also known as Mars 2055, m2, mars 2055
A first-person solo survival adventure set on a desolate Martian base. Search for clues, repair critical systems, and solve complex environmental puzzles to find a way home before your life support—or your luck—runs out.
Last update
6 Jun 2026
Players now
0
Latest update
Update history
Browse past updates and patch notes for this game.
14 updates
January 2024
- Mars 2055 - Hello darkness my old friendThis update add the following: Ladder footsteps audio. • New fog. • Re-spawn points. Oxygen depletion. • O2 bubble zones. • Second replacement suit. New Space Station. • O2 refill in orbit. • Look damping. New floating…
December 2023
- Key codes, random locations, Christmas goodnessThe final release of the year brings the implementation of key codes, find them, use them, and random pickup location so that a walkthru does not provide all the answer. Plus a good helping of Christmas goodness. Get it…
- Respawn Points and Dome PuzzlesThis update introduces respawn points to automatically place you near the last place you were at on the map should you quit and restart or die. It also includes a new puzzle that needs to be solved on the lower level of…
November 2023
- More improvements based on community feedbackFix a bug where status text was being smeared. Improve the reactor restart puzzle. Add another lava fall. Improve the lab puzzle. Fix a collider bug on Geyser flats. Add Mars Quakes. Implement sliding and remove all inv…
October 2023
- Something new on the horizonAdd more clues for the reactor restart. Open the engineering door without main power but add on boarding tips that suggest the player figure that puzzle out. Change the plant animation and have them hide and show. Add a…
- Mars 2055 v3 ReleaseIt's finally here! I've been watching streamers play the game and I've been listening intently to their feedback. A lot of that feedback has been incorporated into this release making the on boarding and puzzle experien…
- Major Update to v3.0.0This is a major update from v2.x.x to v3.x.x with all kinds of changes from new on boarding to better lighting. The best thing I can suggest is that you try it out and send us feedback using the integrated feedback feat…
July 2023
- Update with new puzzles and UIFix a problem that made it difficult to pick up the energy cell. For now, don't require active HAL for inventory. Indicate the fence first is the wrong direction. Fix the Alien ship floor. Move dish control to the top o…
April 2023
- Major update with many changes and improvementsAdd and change the following: add heads up display add AI add inventory simplify one aspect of the communications puzzle change how key cards are used new UI theme add multi hit damage system add ambient noise zones mor…
December 2022
- Winter 2022 UpdateAdd volumetric lighting. Add lava pools. Add lava falls. Add Martian plants.
October 2022
- Halloween 2022 UpdateAdded some spooky / scary content just in time for Halloween
Gallery
In-game media
Achievements
Community progression
Top picks from 7 Steam achievements, sorted by player unlock rates.
- ExplorerHidden5.4%
- Fuel Canister FullYou have manufactured fuel and filled the canister.5.4%
- Reactor StartedThe reactor was started and the campus has power.5.4%
- ESA LanderHidden1.3%
- Warp SpeedHidden1.3%
- Oxygen Canister FullYou have filled the oxygen canister and will be able to pressurize the Spacestation airlock.1.3%