39 Days to Mars Player Count and Price History

39 Days to Mars

Steam app 504920

39 Days to Mars

It's AnecdotalFeb 1, 2017Adventure, Indie

$19.99 Very PositiveSteam Deck Playable
  • Co-op
  • Adventure
  • Puzzle
  • Multiplayer
  • Local Co-Op
  • Local Multiplayer
  • Co-op Campaign
  • Singleplayer
  • Atmospheric
  • Family Friendly
View on Steam Get alerts
Playing now
1
Updated 15 hours ago
24-hour peak
1
Last 24 hours
All-time peak
15
May 1, 2020
Steam reviews
85%
Very Positive

Data source: Steam Web APILast updated: How we collect this data

39 Days to Mars player count chart

39 Days to Mars has very few players on Steam right now (1). Its all-time peak was 15.

History from Jan 1, 2017

39 Days to Mars monthly player count

MonthAvg. playersGain% GainPeak players
November 2026not enough data-2-66.67%1
October 2026not enough data+2+200%3
September 2026not enough data-4-80%1
August 2026not enough data+4+400%5
July 2026not enough data+1n/a1
June 2026not enough data-1-100%0
May 2026not enough data-2-66.67%1
April 2026not enough data-1-25%3
March 2026not enough data+3+300%4
February 2026not enough data-1-50%1
January 2026not enough data-1-33.33%2
December 2025not enough data+0+0%3
November 2025not enough data+1+50%3
October 2025not enough data-2-50%2
September 2025not enough data+4n/a4
August 2025not enough data-4-100%0
July 2025not enough data+4n/a4
June 2025not enough data-2-100%0
May 2025not enough data+0+0%2
April 2025not enough data-1-33.33%2
March 2025not enough data+0+0%3
February 2025not enough data-2-40%3
January 2025not enough data+3+150%5
December 2024not enough data-1-33.33%2
November 2024not enough data-3-50%3
October 2024not enough data+3+100%6
September 2024not enough data-1-25%3
August 2024not enough data+2+100%4
July 2024not enough data-2-50%2
June 2024not enough data+1+33.33%4
May 2024not enough data-3-50%3
April 2024not enough data+1+20%6
March 2024not enough data+3+150%5
February 2024not enough data-2-50%2
January 2024not enough data+0+0%4
December 2023not enough data-2-33.33%4
November 2023not enough data+5+500%6
October 2023not enough data-3-75%1
September 2023not enough data-2-33.33%4
August 2023not enough data+2+50%6
July 2023not enough data-2-33.33%4
June 2023not enough data+1+20%6
May 2023not enough data+0+0%5
April 2023not enough data+0+0%5
March 2023not enough data-5-50%5
February 2023not enough data+7+233.33%10
January 2023not enough data-3-50%3
December 2022not enough data+0+0%6
November 2022not enough data+1+20%6
October 2022not enough data+1+25%5
September 2022not enough data-2-33.33%4
August 2022not enough data+2+50%6
July 2022not enough data-2-33.33%4
June 2022not enough data+2+50%6
May 2022not enough data-2-33.33%4
April 2022not enough data-3-33.33%6
March 2022not enough data+1+12.5%9
February 2022not enough data+3+60%8
January 2022not enough data+1+25%5
December 2021not enough data+0+0%4
November 2021not enough data+1+33.33%4
October 2021not enough data+0+0%3
September 2021not enough data-3-50%3
August 2021not enough data+1+20%6
July 2021not enough data+1+25%5
June 2021not enough data-2-33.33%4
May 2021not enough data-1-14.29%6
April 2021not enough data+1+16.67%7
March 2021not enough data-2-25%6
February 2021not enough data-2-20%8
January 2021not enough data+3+42.86%10
December 2020not enough data+0+0%7
November 2020not enough data+3+75%7
October 2020not enough data+1+33.33%4
September 2020not enough data-1-25%3
August 2020not enough data-2-33.33%4
July 2020not enough data+0+0%6
June 2020not enough data-9-60%6
May 2020not enough data+12+400%15
April 2020not enough data-3-50%3
March 2020not enough data+0+0%6
February 2020not enough data-1-14.29%6
January 2020not enough data+2+40%7
December 2019not enough data+0+0%5
November 2019not enough data+2+66.67%5
October 2019not enough data+0+0%3
September 2019not enough data-3-50%3
August 2019not enough data-8-57.14%6
July 2019not enough data+6+75%14
June 2019not enough data+4+100%8
May 2019not enough data+0+0%4
April 2019not enough data-2-33.33%4
March 2019not enough data+1+20%6
February 2019not enough data+0+0%5
January 2019not enough data+0+0%5
December 2018not enough data+0+0%5
November 2018not enough data+2+66.67%5
October 2018not enough data-2-40%3
September 2018not enough data-2-28.57%5
August 2018not enough data+3+75%7
July 2018not enough data-1-20%4
June 2018not enough data-7-58.33%5
May 2018not enough data+2+20%12
April 2018not enough data+9+900%10
March 2018not enough data+1n/a1
February 2018not enough data+0n/a0
January 2018not enough data-1-100%0
December 2017not enough data+0+0%1
November 2017not enough data+0+0%1
October 2017not enough data+1n/a1
September 2017not enough data+0n/a0
August 2017not enough data+0n/a0
July 2017not enough data-1-100%0
June 2017not enough data+1n/a1
May 2017not enough data+0n/a0
April 2017not enough data+0n/a0
March 2017not enough data-1-100%0
February 2017not enough data+1n/a1
January 2017not enough datan/an/a0

How many people play 39 Days to Mars right now?

Right now, 1 players are in 39 Days to Mars on Steam. That makes it the #16,292 most played game on Steam at the moment. In the last 24 hours it peaked at 1 players.

Is 39 Days to Mars growing or declining?

Its highest point this month (1) is 67% below the same period last year (3). In its first month after release (Feb 1, 2017) it peaked at 1 players. Today's player count is 7% of its all-time peak of 15, set on May 1, 2020.

Other Co-op games like 39 Days to Mars by player count

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Compare 39 Days to Mars with similar games

Player counts, peaks, reviews and prices side by side. Compare any Steam games

About 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.

Developer
It's Anecdotal
Released
Feb 1, 2017
Genre
Adventure, Indie
Steam Deck
Playable
Languages
12 languages, 1 with full audio

Screenshots

39 Days to Mars screenshot 139 Days to Mars screenshot 239 Days to Mars screenshot 339 Days to Mars screenshot 439 Days to Mars screenshot 5

39 Days to Mars price history

$19.99
price now (US)
$13.39
lowest recorded (-33%) · Oct 13, 2026
-33%
typical sale discount · 1 sale seen

Good time to buy? Probably wait for a sale. 39 Days to Mars is at its full price of $19.99. It usually goes on sale for about 33% off (around $13.39), and the lowest we have recorded is $13.39.Next Steam sale: Steam Winter Sale, Dec 17 to Jan 4. See the countdown

US price on Steam. Checked daily.

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39 Days to Mars reviews over time

85% Very Positive85% of 313 Steam reviews are positiveRead reviews on Steam

Positive and negative Steam user reviews per month, from Steam's review history.

39 Days to Mars achievements

39 Days to Mars has 23 Steam achievements. On average a player has unlocked 16.3% of them; the rarest, Cutty Sark, is held by 0.6% of players.

  • SnagFail at something.58.0%
  • SwitchboardFix the ships controls on the first attempt.42.6%
  • AronnaxFinish 39 Days to Mars with two players.40.8%
  • Il Terribile PescecaneHidden achievement31.8%
  • SchiaparelliCrash on Mars.30.4%
  • Duct TapeFix the water leak on the first attempt.30.3%
  • Squid-Ink-B-Gon™Capture all the specimens and clean up afterwards.28.2%
  • [H]Leave the fire hydrant running when you embark.24.6%
  • IndefatigablePlay through 39 Days to Mars in one sitting.20.4%
  • SojournerLand on Mars.18.2%
  • ArchiteuthisHidden achievement17.8%
  • NewcastleCollect enough coal without running out of oxygen.14.4%
  • NemoFinish 39 Days to Mars with one player.5.4%
  • Skeleton KeyEmbark on an adventure without completing the volatile helioscopic password generator.2.1%
  • Edgeworth-KuiperBreak 39 asteroids while mining for coal.2.1%
  • Plain SailingFinish 39 Days to Mars without ever failing a puzzle.1.5%
  • Drawing BoardFail everything and still make it to Mars.1.4%
  • SepiaCapture all the specimens without cleaning up.1.0%
  • Morning TeaMake 39 cups of awful tea.0.8%
  • DarwinCapture 39 specimen for the specimen tank.0.8%
  • Flying CloudComplete 39 Days to Mars in less than 50 minutes.0.7%
  • Afternoon TeaDrink 39 cups of perfect tea.0.6%
  • Cutty SarkComplete 39 Days to Mars in less than 30 minutes.0.6%

Global unlock rates from Steam, most common first.

Latest 39 Days to Mars news and patch notes

Official announcements from the developer on Steam.

39 Days to Mars FAQ

Is 39 Days to Mars dead?

39 Days to Mars has very few players on Steam right now (1). Its all-time peak was 15.

How many people play 39 Days to Mars?

1 people are playing 39 Days to Mars on Steam right now. In the last 24 hours it peaked at 1 concurrent players.

What is the all-time peak player count for 39 Days to Mars?

39 Days to Mars reached its all-time Steam peak of 15 concurrent players on May 1, 2020.

How much does 39 Days to Mars cost?

39 Days to Mars costs $19.99 on Steam in the US. Prices are checked daily and can differ by region.

What is the lowest price 39 Days to Mars has been on Steam?

The lowest US price we have recorded for 39 Days to Mars on Steam is $13.39 (33% off), on Oct 13, 2026. It costs $19.99 right now.

Is 39 Days to Mars on sale right now?

No, 39 Days to Mars is at its full price of $19.99 on Steam right now. In past sales it usually dropped about 33%, and the biggest discount we have seen is 33%.

Is 39 Days to Mars good?

Steam players rate 39 Days to Mars Very Positive: 85% of 313 reviews are positive.

When did 39 Days to Mars come out?

39 Days to Mars was released on Steam on Feb 1, 2017.

Who made 39 Days to Mars?

39 Days to Mars was developed by It's Anecdotal.

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