The Game Census
39 Days to Mars cover art

39 Days to Mars

It's Anecdotal · 2018-04-25

SteamPlayStation StoreMicrosoft Store

AdventureIndie

Modes: Single player, Multiplayer, Co-operative

Releases: Oct 31, 2019 (PlayStation 4), May 16, 2019 (Nintendo Switch), Apr 25, 2018 (PC (Microsoft Windows)), Feb 06, 2019 (Xbox One), Apr 25, 2018 (Mac), Apr 25, 2018 (Linux)

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.

0
playing now
85%
positive of 334 reviews
Very Positive
steam rating
50,000–100,000
owners (SteamSpy est.)
70/100
critic score (2 outlets, IGDB)
70/100
IGDB user rating (6 ratings)
$13.39
steam price (US)

0 players in-game as of 2026-08-30 08:00 UTC (census sample)

Health check

Insufficient data
  • · Not enough review history collected yet to judge health.
  • · Top 47% of 11,486 Adventure games in the census by review count.
Estimated sales: 8.3k–20k copies

Review-multiple estimate from 334 total reviews — how this is computed.

Current store prices

lowest across shops (ITAD)$13.39-33%
Microsoft Store$19.99

Deal snapshots via CheapShark, refreshed daily.

All-time low: $5.24 at MacGameStore (2021-07-08)via IsThereAnyDeal

12-month high $19.99 · on sale 10 of 19 observed days · $14.75 above the all-time low (census price snapshots)

Players online

402026-08-11 21:00 — 0 players2026-08-12 12:00 — 0 players2026-08-13 04:00 — 0 players2026-08-13 20:00 — 0 players2026-08-14 12:00 — 0 players2026-08-15 04:00 — 0 players2026-08-15 20:00 — 2 players2026-08-16 12:00 — 0 players2026-08-17 04:00 — 0 players2026-08-17 19:00 — 0 players2026-08-18 11:00 — 1 players2026-08-19 03:00 — 0 players2026-08-19 19:00 — 2 players2026-08-20 10:00 — 0 players2026-08-21 02:00 — 0 players2026-08-21 18:00 — 3 players2026-08-22 10:00 — 0 players2026-08-23 01:00 — 0 players2026-08-23 17:00 — 4 players2026-08-24 09:00 — 0 players2026-08-25 01:00 — 0 players2026-08-25 17:00 — 1 players2026-08-26 09:00 — 1 players2026-08-27 01:00 — 0 players2026-08-27 17:00 — 3 players2026-08-28 10:00 — 0 players2026-08-29 02:00 — 0 players2026-08-29 16:00 — 3 players2026-08-30 08:00 — 0 players
Concurrent players, hourly average, last 30 days (census samples).

Price history

$19.99$7.492018-04-252026-08-292018-04-25 — best price $12.002018-07-06 — best price $15.002018-10-11 — best price $11.992018-11-21 — best price $11.242019-01-03 — best price $14.992019-02-18 — best price $14.992019-05-23 — best price $15.002019-07-18 — best price $10.042019-09-12 — best price $15.002019-11-11 — best price $14.992020-01-02 — best price $14.992020-01-14 — best price $10.052020-03-09 — best price $14.992020-05-21 — best price $15.002020-11-25 — best price $10.042021-01-28 — best price $10.042021-03-25 — best price $10.042021-06-24 — best price $10.042021-09-20 — best price $14.992021-11-24 — best price $10.042022-02-07 — best price $14.992022-07-07 — best price $14.992022-11-11 — best price $14.992023-01-05 — best price $14.992023-06-12 — best price $14.992023-09-04 — best price $14.992024-01-04 — best price $14.992024-04-01 — best price $14.992024-07-15 — best price $13.392024-11-27 — best price $13.392025-02-10 — best price $13.392025-05-06 — best price $13.392025-10-06 — best price $19.992026-02-23 — best price $19.992026-07-09 — best price $19.992026-08-29 — best price $19.99
Lowest recorded price across tracked stores, per day (census snapshots).

Details

WindowsmacOSLinuxFull controller supportSingle-playerMulti-playerCo-opShared/Split Screen Co-opShared/Split ScreenSteam AchievementsFull controller supportSteam Trading CardsColor AlternativesStereo Sound

11 supported languages: English, French, German, Spanish - Spain, Japanese, Korean, Portuguese - Brazil, Russian, Simplified Chinese, Traditional Chinese, Italian

Player tags

2DCo-opPuzzlePhysicsAdventureSteampunkControllerHand-drawnAtmosphericLocal Co-Op

Census log

Computed from census-recorded observations only — dates are observation dates.

Players also track

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Similarity via IGDB.

Official site ↗