39 Days to Mars — Steam game overview

Stored observation / content update: 2026-11-06T23:43:31.000Z

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.

Game metrics below are stored observations; missing values are unknown.

Revenue is modelled, not confirmed sales. See the methodology and uncertainty range.