Games like 39 Days to Mars on Steam
For those who prefer not to search, lists of the most played, top deals and best free games like 39 Days to Mars are available at the bottom of the page.
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Inside the Backrooms
Inside the Backrooms is a horror multiplayer game mixed with different mechanics that will make you spend an intense night with friends. Explore, think, interact, but be careful, it is rumored that there are several entities wishing to find you...
BADLAND: Game of the Year Edition
With BADLAND: Game of the Year Edition, experience the multi-award-winning action adventure like never before - redesigned for Steam.
Brothers: A Tale of Two Sons Remake
Guide two brothers on an epic journey of discovery, loss, adventure and mystery remade for the latest generation of graphics, performance, and gameplay. Play in single-player mode or local co-op with a friend. This is one journey you will never forget.
Carry The Glass
Team up as two quirky construction workers in this fun 2-player co-op platformer! Carry a fragile glass window through colorful levels filled with challenges. Communicate and coordinate to dodge obstacles and solve puzzles. Can you finish the job without breaking the glass?
Little Nightmares II
Little Nightmares II is the second game in a series that has thrilled and captivated millions of players worldwide since 2017. Now it’s your turn to try to survive this critically acclaimed entry in the most charming horror series ever made.
First Class Escape: The Train of Thought
"First Class Escape: The Train of Thought" is a co-operative atmospheric escape room puzzle game, set in a beautifully realized vintage train. Do you think you have what it takes to solve the puzzles and escape the train?
Kitaria Fables
Action Adventure fused with RPG and Farming elements. Armed with sword, bow and spellbook, fight against a rising darkness threatening the world. Plunder dungeons in search of relics and resources, tend to your farm to make provisions and potions, and take on quests solo, or with a friend!
Disney Universe
For the first time, suit up in an off-the-wall multiplayer adventure where iconic Disney characters and legendary Disney worlds collide. Discover the mixed-up humor of this ever-expanding universe as you team up with friends to overcome challenges and defeat enemies.
PHOGS!
In PHOGS! you play as a duo of dogs on a captivating, puzzle-filled adventure. Linked by a stretchy belly, you’ll need to bark, bite and bounce your way through obstacles set across the themed worlds of Food, Sleep and Play, in co-op or single-player.
LEGO® Batman™: The Videogame
When all the villains in Arkham Asylum team up and break loose, only the dynamic duo is bold enough to take them on to save Gotham City. The fun of LEGO, the drama of Batman and the uniqueness of the combination makes for a comical and exciting adventure in LEGO Batman: The Videogame.
Ghost Watchers
Ghost Watchers is a co-op online horror game. You will explore and hunt ghosts in abandoned houses
LEGO® Star Wars™ III - The Clone Wars™
LEGO Star Wars III: The Clone Wars will allow fans to explore endlessly and laugh their way through the Star Wars galaxy in the most humorous, accessible and action-packed LEGO game to date.
We Were Here Together
As we explore these frozen wastes, misfortune strikes once again. Through the fierce blizzard, a flare lights the sky, followed by a cry for help over the radio - broken, dying... No one else can come to their rescue. Can we make it back - together?
We Were Here Too
As your final hour approaches, a large structure looms up in the distance, towering above the relentless storm. Discover the truth behind this dark castle in a communication-based, cooperative puzzle adventure.
LEGO® Pirates of the Caribbean: The Video Game
LEGO® Pirates of the Caribbean: The Video Game is an action adventure game that brings the Pirates of the Caribbean world and all its colorful characters to life in LEGO Brick form. Players experience all the memorable scenes from all four films in the humorous and quirky LEGO Video Games style.
Tetris® Effect: Connected
Tetris® Effect: Connected adds an all-new robust multiplayer expansion to the huge variety of addictive and innovative single-player modes that Tetris Effect is known for, with all-new co-op and competitive online and local multiplayer modes!
Darksiders Genesis
DARKSIDERS: GENESIS gives players their first look at the world of DARKSIDERS before the events of the original game. Furthermore, it introduces the fourth and last horseman STRIFE, as well as Co-op gameplay for the first time in the history of the franchise.
LEGO® Jurassic World
Following the epic storylines of Jurassic Park, The Lost World: Jurassic Park and Jurassic Park III, as well as the highly anticipated Jurassic World, LEGO Jurassic World™ is the first videogame where players will be able to relive and experience all four Jurassic films.
Puzzle Together Multiplayer Jigsaw Puzzles
Multiplayer jigsaw puzzles with voice chat! Play on your own or with friends, and feel like you're all sitting around the same table. Millions of puzzle images, upload your own, or create any puzzle you can imagine just by describing it!
Somewhere in the Shadow
Woke up in strange dark spot. Who has done it with you? And why? Try to get out from that scary place and stay alive...
Blameless
Blameless is a mysterious first-person adventure with primary focus on puzzle solving and short story. The player will appear in a role of an architect trying to investigate strange happenings, after discovering evidence of an act of violence.
Witchtastic
Witchtastic is a challenging 2-4 player coop game about brewing and delivering magic potions as fast as possible. Take on the role of aspiring witches and experience charming adventures. Need a break from all the yelling of your friends? You can practice in a single player campaign as well!
Most played games like 39 Days to Mars on Steam
Take a look at the top games like 39 Days to Mars that are currently attracting the largest player bases on the Steam platform, as of June 16th 2025.
1. Don't Starve Together
Similarity 43% Fight, Farm, Build and Explore Together in the standalone multiplayer expansion to the uncompromising wilderness survival game, Don't Starve. Don't Starve Together is a survival, open world survival craft and multiplayer game developed and published by Klei Entertainment. Released on April 21st 2016 has received 499,061 reviews of which 475,393 were positive and 23,668 were negative resulting in an impressive rating of 9.4 out of 10. The game has hit the top spot as the #1 most played game like 39 Days to Mars, thanks to its 30,542 peak concurrent players over the last day.
9.4
475,393
23,668
30,542
players
2. Monster Hunter: World
Similarity 45% Welcome to a new world! In Monster Hunter: World, the latest installment in the series, you can enjoy the ultimate hunting experience, using everything at your disposal to hunt monsters in a new world teeming with surprises and excitement. Monster Hunter: World is a co-op, multiplayer and action game developed and published by CAPCOM Co. and Ltd.. Released on August 08th 2018 has received 493,390 reviews of which 434,239 were positive and 59,151 were negative resulting in a rating of 8.7 out of 10. While seeing 11,923 players online at once in the last 24 hours, this game is currently ranked #2 among games like 39 Days to Mars based on player count.
8.7
434,239
59,151
11,923
players
3. Sea of Thieves: 2025 Edition
Similarity 45% Sea of Thieves is a smash-hit pirate adventure game, offering the quintessential pirate experience of plundering lost treasures, intense battles, vanquishing sea monsters and more. Dive in with this revised edition of the game, which includes access to digital bonus media. Sea of Thieves: 2025 Edition is a multiplayer, open world and adventure game developed by Rare Ltd and published by Xbox Game Studios. Released on June 03rd 2020 has received 355,238 reviews of which 317,074 were positive and 38,164 were negative resulting in a rating of 8.8 out of 10. While seeing 5,437 players online at once in the last 24 hours, this game is currently ranked #3 among games like 39 Days to Mars based on player count.
8.8
317,074
38,164
5,437
players
4. It Takes Two
Similarity 74% Embark on the craziest journey of your life in It Takes Two. Invite a friend to join for free with Friend’s Pass and work together across a huge variety of gleefully disruptive gameplay challenges. Winner of GAME OF THE YEAR at the Game Awards 2021. It Takes Two is a co-op, multiplayer and split screen game developed by Hazelight Studios and published by Electronic Arts. Released on March 25th 2021 has received 218,383 reviews of which 208,042 were positive and 10,341 were negative resulting in an impressive rating of 9.4 out of 10. With 5,018 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played games like 39 Days to Mars.
9.4
208,042
10,341
5,018
players
5. POPUCOM
Similarity 54% Venture together with your friends on an unknown planet. Use color switching, match-3 shooting, and artifact powers to overcome challenges and keep advancing. What lies ahead of you is an adventure filled with wonder, hope, and much more to discover! POPUCOM is a co-op, adventure and platformer game developed by Hypergryph and published by Gryph Frontier. Released on June 01st 2025 has received 1,161 reviews of which 1,021 were positive and 140 were negative resulting in a rating of 8.3 out of 10. With 4,352 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played games like 39 Days to Mars.
8.3
1,021
140
4,352
players
6. Grounded
Similarity 43% The world is a vast, beautiful and dangerous place – especially when you have been shrunk to the size of an ant. Can you thrive alongside the hordes of giant insects, fighting to survive the perils of the backyard? Grounded is a survival, multiplayer and co-op game developed by Obsidian Entertainment and published by Xbox Game Studios. Released on September 27th 2022 has received 84,517 reviews of which 75,482 were positive and 9,035 were negative resulting in a rating of 8.8 out of 10. With 2,394 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played games like 39 Days to Mars.
8.8
75,482
9,035
2,394
players
7. Overcooked! 2
Similarity 51% Overcooked returns with a brand-new helping of chaotic cooking action! Journey back to the Onion Kingdom and assemble your team of chefs in classic couch co-op or online play for up to four players. Hold onto your aprons… it’s time to save the world again! Overcooked! 2 is a multiplayer, online co-op and local co-op game developed by Ghost Town Games Ltd. and Team17 and published by Team17. Released on August 07th 2018 has received 72,801 reviews of which 65,992 were positive and 6,809 were negative resulting in a rating of 8.9 out of 10. With 2,107 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played games like 39 Days to Mars.
8.9
65,992
6,809
2,107
players
8. Tom Clancy's Ghost Recon® Breakpoint
Similarity 48% Become a Ghost, fighting against a rogue spec ops faction called the Wolves, in the latest Tom Clancy's Ghost Recon®! Tom Clancy's Ghost Recon® Breakpoint is a open world, co-op and singleplayer game developed by Ubisoft Paris and published by Ubisoft. Released on January 23rd 2023 has received 32,563 reviews of which 23,816 were positive and 8,747 were negative resulting in a rating of 7.2 out of 10. With 1,430 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played games like 39 Days to Mars.
7.2
23,816
8,747
1,430
players
9. Need for Speed™ Heat
Similarity 42% Hustle by day and risk it all at night in Need for Speed™ Heat Deluxe Edition, a white-knuckle street racer, where the lines of the law fade as the sun starts to set. Need for Speed™ Heat is a racing, open world and multiplayer game developed by Ghost Games and published by Electronic Arts. Released on June 04th 2020 has received 132,855 reviews of which 111,482 were positive and 21,373 were negative resulting in a rating of 8.3 out of 10. With 1,385 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played games like 39 Days to Mars.
8.3
111,482
21,373
1,385
players
10. Lost Castle 2
Similarity 41% "Lost Castle 2" is a 2D Beat'em up Rogue-Lite game. Explore abundant treasures and items to enhance yourself, master various weapons to showcase your skills, and challenge powerful monsters to demonstrate your strength. A new adventure is calling for treasure hunters! Lost Castle 2 is a early access, multiplayer and local co-op game developed and published by Hunter Studio. Released on July 24th 2024 has received 8,290 reviews of which 6,425 were positive and 1,865 were negative resulting in a rating of 7.6 out of 10. With 1,121 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played games like 39 Days to Mars.
7.6
6,425
1,865
1,121
players
Best deals on games like 39 Days to Mars on Steam
Discover fantastic savings with the best discounts on a variety of games like 39 Days to Mars available on Steam right now, updated on June 16th 2025. Looking for even more deals? Use the search filters to explore a wider range of discounted games like 39 Days to Mars.
1. Strange Brigade
Similarity 49% Embark on an exotic journey into danger in this rip-roaring 1930s third person adventure for 1-4 players! Encounter pulse-pounding action, treacherous traps and tales of derring-do! Strange Brigade is a action, adventure and co-op game developed and published by Rebellion. Released on August 27th 2018 has received 10,728 reviews of which 9,034 were positive and 1,694 were negative resulting in a rating of 8.2 out of 10. Featuring a massive 99% discount, this game currently holds the #1 spot in the best deals for games like 39 Days to Mars.
8.2
9,034
1,694
-99%
49.99€
0.82€
2. Hamilton's Great Adventure
Similarity 48% All new DLC, Retro Fever, Now Available! Hamilton's Great Adventure is a local co-op, adventure and 3d platformer game developed and published by Fatshark. Released on May 31st 2011 has received 340 reviews of which 240 were positive and 100 were negative resulting in a rating of 6.7 out of 10. Thanks to its incredible 99% discount, this game is now the #2 best deal in games like 39 Days to Mars.
6.7
240
100
-99%
9.99€
0.18€
3. Battletoads
Similarity 43% • Over-the-top combat with combos and hard-hitting morph attacks • Wild, varied gameplay sequences for all types of gamers • Hand-drawn animation feels like playing a cartoon • Drop-in couch co-op for three players Battletoads is a action, adventure and co-op game developed by Dlala Studios and published by Microsoft Studios and Rare Ltd. Released on August 20th 2020 has received 2,125 reviews of which 1,450 were positive and 675 were negative resulting in a rating of 6.6 out of 10. Thanks to its incredible 99% discount, this game is now the #3 best deal in games like 39 Days to Mars.
6.6
1,450
675
-99%
19.99€
0.32€
4. Scribblenauts Unlimited
Similarity 43% The best-selling, award-winning franchise is back – on your home PC in gorgeous HD for the first time. Scribblenauts Unlimited is a puzzle, casual and adventure game developed by 5th Cell Media and published by Warner Bros. Interactive Entertainment. Released on February 15th 2013 has received 11,755 reviews of which 11,038 were positive and 717 were negative resulting in an impressive rating of 9.1 out of 10. Currently offered at a significant 98% discount, this title has earned the #4 position in the best deals for games like 39 Days to Mars.
9.1
11,038
717
-98%
19.99€
0.42€
5. Dungeons of Hinterberg
Similarity 42% Discover the magic and lore of the Alps in this acclaimed Action Adventure. Forge relationships with locals to help you solve puzzles, battle monsters and uncover secrets of the legendary Dungeons of Hinterberg! Dungeons of Hinterberg is a relaxing, puzzle and exploration game developed by Microbird Games and published by Curve Games. Released on July 18th 2024 has received 1,997 reviews of which 1,892 were positive and 105 were negative resulting in an impressive rating of 9.0 out of 10. Currently offered at a significant 98% discount, this title has earned the #5 position in the best deals for games like 39 Days to Mars.
9.0
1,892
105
-98%
22.99€
0.53€
6. Boxes: Lost Fragments
Similarity 41% As a legendary thief, your next assignment lures you into a grand and lavish mansion. There you find a series of puzzle boxes, designed for an unknown purpose. What should have been a quick in-and-out, gradually turns into your own harrowing struggle for freedom and answers. Boxes: Lost Fragments is a puzzle, adventure and mystery game developed by Big Loop Studios and published by Snapbreak. Released on February 01st 2024 has received 3,901 reviews of which 3,621 were positive and 280 were negative resulting in a rating of 8.9 out of 10. Currently offered at a significant 98% discount, this title has earned the #6 position in the best deals for games like 39 Days to Mars.
8.9
3,621
280
-98%
14.99€
0.41€
7. RiME
Similarity 46% A land of discovery stretches out before you. Explore the beautiful, rugged world of RiME. Armed with your wits and a will to overcome—and the guidance of a helpful fox—you must explore the enigmatic island, reach the tower's peak, and unlock its closely guarded secrets. RiME is a adventure, puzzle and exploration game developed by Tequila Works and QLOC and published by Grey Box and Six Foot. Released on May 26th 2017 has received 5,079 reviews of which 4,585 were positive and 494 were negative resulting in a rating of 8.7 out of 10. Currently offered at a significant 98% discount, this title has earned the #7 position in the best deals for games like 39 Days to Mars.
8.7
4,585
494
-98%
34.99€
0.90€
8. Trine 4: The Nightmare Prince
Similarity 43% The best-selling Trine series returns to the magic of 2.5D! Join three iconic heroes as they set off on a quest through fantastical fairytale landscapes to save the world from the Nightmare Prince’s shadows. Trine 4: The Nightmare Prince is a puzzle-platformer, local co-op and online co-op game developed and published by Frozenbyte. Released on October 08th 2019 has received 13,379 reviews of which 11,924 were positive and 1,455 were negative resulting in a rating of 8.7 out of 10. Currently offered at a significant 98% discount, this title has earned the #8 position in the best deals for games like 39 Days to Mars.
8.7
11,924
1,455
-98%
29.99€
0.62€
9. Röki
Similarity 47% Röki is a stunning adventure set in the snowcapped wilderness. As Tove, you must explore an uncharted world of hidden legends and forgotten monsters. Solve puzzles, collect curiosities, and uncover a tale of tragic loss, as you chart your path to redemption. Röki is a adventure, puzzle and story rich game developed by Polygon Treehouse and published by United Label and CI Games. Released on July 23rd 2020 has received 2,890 reviews of which 2,595 were positive and 295 were negative resulting in a rating of 8.6 out of 10. Currently offered at a significant 98% discount, this title has earned the #9 position in the best deals for games like 39 Days to Mars.
8.6
2,595
295
-98%
21.99€
0.49€
10. Stacking
Similarity 43% Embark on an adventure to rescue Charlie’s family from the nefarious industrialist known only as the 'Baron.' Stacking is a adventure, puzzle and indie game developed and published by Double Fine Productions. Released on March 06th 2012 has received 1,780 reviews of which 1,587 were positive and 193 were negative resulting in a rating of 8.5 out of 10. Currently offered at a significant 98% discount, this title has earned the #10 position in the best deals for games like 39 Days to Mars.
8.5
1,587
193
-98%
9.99€
0.26€
Free games like 39 Days to Mars on Steam
Check out this fantastic list of free-to-play games like 39 Days to Mars you can enjoy on Steam right now, updated on June 16th 2025. Looking for even more free titles? Use the search filters to explore a wider range of free to play games like 39 Days to Mars.
1. Puzzle Together Multiplayer Jigsaw Puzzles
Similarity 52% Multiplayer jigsaw puzzles with voice chat! Play on your own or with friends, and feel like you're all sitting around the same table. Millions of puzzle images, upload your own, or create any puzzle you can imagine just by describing it! Puzzle Together Multiplayer Jigsaw Puzzles is a puzzle, casual and multiplayer game developed and published by IronZog. Released on December 09th 2020 has received 4,438 reviews of which 3,801 were positive and 637 were negative resulting in a rating of 8.3 out of 10. With 206 active players enjoying it for free, this strategy game has reached the #1 spot among the top free games like 39 Days to Mars.
8.3
3,801
637
206
players
2. We Were Here
Similarity 56% Lost in a frozen wasteland and split up from your partner inside an abandoned castle, the only possession you have left is a walkie-talkie with a familiar voice on the other end. Can the two of you find your way out in time? We Were Here is a free to play, co-op and escape room game developed and published by Total Mayhem Games. Released on February 03rd 2017 has received 29,997 reviews of which 27,014 were positive and 2,983 were negative resulting in a rating of 8.8 out of 10. Thanks to its free to play tag and a daily player base of 142, this game has secured the #2 spot in the ranking of free games like 39 Days to Mars.
8.8
27,014
2,983
142
players
3. Escape Memoirs: Mini Stories
Similarity 45% "Escape Memoirs: Mini Stories" is a series of co-operative escape-room style puzzle scenarios. Each one is sure to test your wits as you try to overcome the challenges that stand in the way of your escape. Escape Memoirs: Mini Stories is a free to play, multiplayer and escape room game developed and published by 0 Deer Soft. Released on September 30th 2022 has received 5,434 reviews of which 4,594 were positive and 840 were negative resulting in a rating of 8.2 out of 10. Thanks to its free to play tag and a daily player base of 119, this game has secured the #3 spot in the ranking of free games like 39 Days to Mars.
8.2
4,594
840
119
players
4. Unsolved Case
Similarity 42% A new lead turns up old doubts about an 'Unsolved Case'. A trap, or a copycat killer? In this co-op puzzle game prequel to the award-winning Cryptic Killer series, put on your detective badges as you collaborate and communicate to crack the codes, solve the riddles, and catch the Cryptic Killer. Unsolved Case is a online co-op, puzzle and escape room game developed and published by Eleven Puzzles. Released on November 24th 2022 has received 5,683 reviews of which 5,004 were positive and 679 were negative resulting in a rating of 8.5 out of 10. The game currently holds the #4 spot among the most played free games like 39 Days to Mars.
8.5
5,004
679
92
players
5. Escape Room - Der kranke Kollege
Similarity 43% You only wanted to make a visit to your sick colleague, but what you encounter is beyond your imagination. Discover the secrets of your colleague and find a way to escape the trap. Escape Room - Der kranke Kollege is a multiplayer, free to play and horror game developed and published by Bitbeast Games. Released on September 05th 2020 has received 12,105 reviews of which 9,872 were positive and 2,233 were negative resulting in a rating of 8.0 out of 10. The game currently holds the #5 spot among the most played free games like 39 Days to Mars.
8.0
9,872
2,233
63
players
6. It Takes Two Friend's Pass
Similarity 60% Download Friend's Pass* and play It Takes Two with a friend for free. Just grab a friend who owns the full game, download Friend's Pass for free, and play together! It Takes Two Friend's Pass is a online co-op, co-op and multiplayer game developed by Hazelight Studio and published by Electronic Arts. Released on March 26th 2021 has received 795 reviews of which 703 were positive and 92 were negative resulting in a rating of 8.3 out of 10. The game currently holds the #6 spot among the most played free games like 39 Days to Mars.
8.3
703
92
58
players
7. Sneak Out
Similarity 41% Sneak Out is a free to play multiplayer game full of mischief and fun for up to six players. Enter the Haunted Castle and prepare to hunt, hide, or prank 'em all, causing all kinds of hilarious mayhem while trying to win the deadly game of hide and seek! Sneak Out is a arcade, adventure and 3d game developed by Kinguin Studios and published by Kinguin. Released on June 06th 2024 has received 6,245 reviews of which 4,354 were positive and 1,891 were negative resulting in a rating of 6.8 out of 10. The game currently holds the #7 spot among the most played free games like 39 Days to Mars.
6.8
4,354
1,891
57
players
8. Samsara Room
Similarity 41% You woke up in a mysterious room you have never seen before. Can you find another way out? Samsara Room is a remake of the praised predecessor of the Rusty Lake & Cube Escape series. Samsara Room is a indie, adventure and puzzle game developed and published by Rusty Lake. Released on April 29th 2020 has received 9,202 reviews of which 8,956 were positive and 246 were negative resulting in an impressive rating of 9.4 out of 10. The game currently holds the #8 spot among the most played free games like 39 Days to Mars.
9.4
8,956
246
48
players
9. Hello Neighbor 2 Alpha 1.5
Similarity 44% Hello Neighbor 2 is a Stealth Horror Game where you’re being stalked by a mysterious creature as you try to track down Mr. Peterson (The Neighbor) who has disappeared after the events of the first game. Play against an advanced, self-learning AI that tracks and adapts to your every move. Hello Neighbor 2 Alpha 1.5 is a adventure, puzzle and stealth game developed by Eerie Guest and tinyBuild and published by tinyBuild. Released on July 23rd 2020 has received 5,931 reviews of which 5,136 were positive and 795 were negative resulting in a rating of 8.4 out of 10. The game currently holds the #9 spot among the most played free games like 39 Days to Mars.
8.4
5,136
795
25
players
10. Escape Memoirs: Questionable Side Stories
Similarity 58% 'Escape Memoirs: Questionable Side Stories' is a humorous co-operative escape room game where you are a henchman who has to make his way through variety of puzzles to make it to a job interview on time. Can you solve all of the puzzles that stand in the way of your employment? Escape Memoirs: Questionable Side Stories is a escape room, multiplayer and co-op game developed and published by 0 Deer Soft. Released on August 07th 2023 has received 1,478 reviews of which 1,399 were positive and 79 were negative resulting in a rating of 9.0 out of 10. The game currently holds the #10 spot among the most played free games like 39 Days to Mars.
9.0
1,399
79
16
players