39 Days to Mars
Cooperative puzzle-adventure about keeping a malfunctioning spaceship on course
It's Anecdotal · Released Apr 25, 2018
- Reviews
- Very Positive
- 84% of 251
- Recent reviews
- Not enough recent
- Players
- 0
- daily peak, Oct 29, 2026
- Steam Deck
- Playable
- Last update on Steam
- 6 years ago
- Apr 19, 2020
Metacritic: 71/100 (critic reviews)
What is 39 Days to Mars?
A steampunk puzzle-adventure about two nineteenth-century explorers traveling to Mars aboard the HMS Fearful. In local two-player co-op, both players help solve puzzles and deal with shipboard problems; solo play pairs you with a computer-controlled cat.
For you if...
- +you enjoy British humor alongside puzzles
Not for you if...
- −you dislike returning to the same small set of activities
What players say
84% of 251 reviews are positive
Players praise solving puzzles together, the illustrated artwork, and the voice acting. The main complaints are the short runtime and controls that players find frustrating.
Screenshots and trailer
39 Days to Mars system requirements
Minimum: 256 MB VRAM, 2 GB RAM, 0.6 GB of disk space.
As published by the developer.
Can my PC run 39 Days to Mars?
Tell us your graphics card once and every game page will answer this for you.
Set up my PC →Minimum
- OS
- Windows 7
- Processor
- 1.7 GHz Core 2 Duo
- Graphics
- 256 MB VRAM
- Memory
- 2 GB RAM
- Storage
- 650 MB available space
- DirectX
- Version 9.0c
- Notes
- Gamepad(s) recommended
Does 39 Days to Mars have co-op or multiplayer?
Yes: co-op split-screen. It also has a single-player mode. With Remote Play Together, one copy is enough to play the local modes online with friends.
Does 39 Days to Mars run on Steam Deck?
Playable Playable: it runs on Steam Deck with some adjustments.
- Some text entry requires manually opening the on-screen keyboard
- All functionality is accessible with the default controller configuration
- Shows Steam Deck controller icons
- In-game text is legible on Steam Deck
- Default graphics settings perform well on Steam Deck
- Cloud saves are not shared across platforms
PC version details
- DRM
- None declared on Steam
- Controller
- Full controller support
- Platforms
- Windows, macOS, Linux
- Achievements
- 23
- Steam features
- Cloud saves, Family Sharing, Trading cards
- Languages
- Full audio: English. Text only: French, German, Spanish - Spain, Japanese, Korean, Portuguese - Brazil, Russian, Simplified Chinese, Traditional Chinese, Italian, Hungarian.
Does 39 Days to Mars use AI-generated content?
No AI-generated content is disclosed on the game's Steam page.
Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 27, 2026. How to filter AI games on Steam