39 Days to Mars

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.

Verified 2026-10-23 from Steam

Store

Steam

Price

$19.99

Mac

Yes, native macOS

Platforms

windows, mac, linux

Reviews

Very Positive: 83% of 243

Release

Apr 25, 2018

Developer

It's Anecdotal

Cozy activities

Cat, Puzzle

Tags

Co-op, Adventure, Puzzle, Multiplayer, Local Co-Op, Local Multiplayer, Co-op Campaign

Minimum:
OS: macOS 10.8
Processor: 1.7 GHz Core 2 Duo
Memory: 2 GB RAM
Graphics: 256 MB VRAM
Storage: 650 MB available space
Additional Notes: Gamepad(s) recommended

Minimum:
OS *: Windows 7
Processor: 1.7 GHz Core 2 Duo
Memory: 2 GB RAM
Graphics: 256 MB VRAM
DirectX: Version 9.0c
Storage: 650 MB available space
Additional Notes: Gamepad(s) recommended