Games like Moons of Madness on Steam
For those who prefer not to search, lists of the most played, top deals and best free games like Moons of Madness are available at the bottom of the page.
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Observation
Observation is a sci-fi thriller uncovering what happened to Dr. Emma Fisher, and the crew of her mission, through the lens of the station’s artificial intelligence S.A.M.
The Alien Cube
Worlds collide as your cursed inheritance throws you into the middle of a series of mysterious events. Discover terrifying secrets as you follow your uncle’s disappearance, and confront a terrible truth that will change your life forever in this cosmic horror first-person adventure.
The Land of Pain
The Land of Pain is a Lovecraftian horror adventure. After something strange appears in the woods, you'll have to learn how to survive as you fend off a dark and disturbing evil. Flee from an unrelenting enemy, solve puzzles, and unravel the ancient mystery that's befallen this land.
Outer Wilds
Named Game of the Year 2019 by Giant Bomb, Polygon, Eurogamer, and The Guardian, Outer Wilds is a critically-acclaimed and award-winning open world mystery about a solar system trapped in an endless time loop.
The Vanishing of Ethan Carter
The Vanishing of Ethan Carter is a first-person story-driven mystery. Purchase this game to get both the original and the Unreal Engine 4 remaster called The Vanishing of Ethan Carter Redux.
Amnesia: A Machine for Pigs
From the creators of Amnesia: The Dark Descent and Dear Esther comes a new first-person horrorgame that will drag you to the depths of greed, power and madness. It will bury its snout into your ribs and it will eat your heart.
Dread X Collection 2
Explore 12 horror games made in 10 days connected by a meta narrative experience you didn't expect. Step into a world of darkness and discover the secrets you didn't know were right beneath the surface. Find the tapes and unlock the mystery inside the Dread X Collection 2.
Mouthwashing
The five crew members of the Tulpar are stranded in the empty reaches of space, shrouded in perpetual sunset. God is not watching.
Conarium
Conarium is a chilling Lovecraftian game, which follows a gripping story involving four scientists and their endeavor to challenge what we normally consider to be the ‘absolute’ limits of nature. Inspired by H.P. Lovecraft’s novella "At the Mountains of Madness", but largely set after the original story.
The Turing Test
The Turing Test is a challenging first-person puzzle game set on Jupiter’s moon, Europa. You are Ava Turing, an engineer for the International Space Agency (ISA) sent to discover the cause behind the disappearance of the ground crew stationed there.
Mars: War Logs
An Intense Cyberpunk Rpg On the Red Planet! Mars War Logs takes you to Mars, nearly a century after the cataclysm that threw the planet and its colonists into chaos. Water has become the most precious resource on the arid red planet, with a few companies fighting a perpetual war for its control.
Left Alone
Left Alone plunges you into a first-person psychological horror journey, where darkness and memories intertwine. As secrets emerge from shadows, use your wits to solve puzzles and explore haunting, forgotten locations. Every step echoes with the past; can you face the truths that await?
SCP: Fragmented Minds
You arrive at Mars Site-113, a decaying monument to the SCP Foundation's ambition—and its failures. Once the most secure facility, now a cradle of horrors calling you to uncover its secrets. Face relentless anomalies, humanity's darkest truths, and a mission that demands survival above all else.
Transient: Extended Edition
H.P. Lovecraft meets Cyberpunk. Delve deep into a dystopian world and investigate what is happening to you and your friends in a domed city. Solve puzzles, hack systems and plug in to explore other dimensions. Discover a truth that might tear apart your sanity and question your very existence.
Prey
In Prey, you awaken aboard Talos I, a space station orbiting the moon in the year 2032. You are the key subject of an experiment meant to alter humanity forever – but things have gone terribly wrong. The space station has been overrun by hostile aliens and you are now being hunted.
Lifeless Planet Premier Edition
PREMIER EDITION - While seeking life on a distant planet, an astronaut discovers an abandoned Russian town. He suspects his mission is a hoax until a mysterious young woman saves him from a strange and deadly phenomenon...
Moon Mystery
The Moon's haunted - and when an astronaut loses contact with Earth, the adventure begins in full. Fill up your oxygen, load up the guns, and set out on an interstellar FPS adventure across the stars, filled with puzzles, fights, exploration, and strange secrets of the universe.
SCP: Secret Files
SCP: Secret Files is a collection of paranormal cases from the SCP Foundation, an organization tasked with containing dangerous anomalies. You join as an assistant researcher for Dr. Raymond Hamm and complete a strenuous induction program that will make you question everything you know.
Red Matter
Red Matter is a story-driven VR puzzle adventure game set during a dystopian sci-fi Cold War. Take on the role of Agent Epsilon, an astronaut of the Atlantic Union dispatched to an abandoned Volgravian moon base on a faraway planet. Your mission: to investigate a shady top secret research project.
Fobia - St. Dinfna Hotel
Explore a decadent hotel across different timelines and uncover the dark history of a fanatical cult and your role in their plans.
Mundaun
Mundaun is a lovingly hand-penciled horror tale set in a dark, secluded valley of The Alps. Explore various areas full of secrets to discover, survive hostile encounters, drive vehicles, fill your inventory, and solve a variety of handcrafted puzzles.
Ad Infinitum
When reality is a nightmare, nightmares become real. In this psychological horror game, you fight the terrifying creatures invading your mind. Can you save your sanity?
Alien: Isolation
Discover the true meaning of fear in Alien: Isolation, a survival horror set in an atmosphere of constant dread and mortal danger.Most played games like Moons of Madness on Steam
Take a look at the top games like Moons of Madness that are currently attracting the largest player bases on the Steam platform, as of April 19th 2025.
1. No Man's Sky
Similarity 53% No Man's Sky is a game about exploration and survival in an infinite procedurally generated universe. No Man's Sky is a open world, open world survival craft and space game developed and published by Hello Games. Released on August 12th 2016 has received 349,909 reviews of which 290,482 were positive and 59,427 were negative resulting in a rating of 8.2 out of 10. The game has hit the top spot as the #1 most played game like Moons of Madness, thanks to its 9,228 peak concurrent players over the last day.
8.2
290,482
59,427
9,228
players
2. Subnautica
Similarity 55% Descend into the depths of an alien underwater world filled with wonder and peril. Craft equipment, pilot submarines and out-smart wildlife to explore lush coral reefs, volcanoes, cave systems, and more - all while trying to survive. Subnautica is a open world survival craft, survival and horror game developed and published by Unknown Worlds Entertainment. Released on January 23rd 2018 has received 310,298 reviews of which 301,088 were positive and 9,210 were negative resulting in an impressive rating of 9.6 out of 10. While seeing 3,146 players online at once in the last 24 hours, this game is currently ranked #2 among games like Moons of Madness based on player count.
9.6
301,088
9,210
3,146
players
3. DREDGE
Similarity 55% DREDGE is a single-player fishing adventure with a sinister undercurrent. Sell your catch, upgrade your boat, and dredge the depths for long-buried secrets. Explore a mysterious archipelago and discover why some things are best left forgotten. DREDGE is a exploration, fishing and lovecraftian game developed by Black Salt Games and published by Team17. Released on March 30th 2023 has received 41,979 reviews of which 40,235 were positive and 1,744 were negative resulting in an impressive rating of 9.4 out of 10. While seeing 1,620 players online at once in the last 24 hours, this game is currently ranked #3 among games like Moons of Madness based on player count.
9.4
40,235
1,744
1,620
players
4. Outer Wilds
Similarity 73% Named Game of the Year 2019 by Giant Bomb, Polygon, Eurogamer, and The Guardian, Outer Wilds is a critically-acclaimed and award-winning open world mystery about a solar system trapped in an endless time loop. Outer Wilds is a exploration, space and mystery game developed by Mobius Digital and published by Annapurna Interactive. Released on June 18th 2020 has received 81,971 reviews of which 78,436 were positive and 3,535 were negative resulting in an impressive rating of 9.4 out of 10. With 1,234 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played games like Moons of Madness.
9.4
78,436
3,535
1,234
players
5. Poppy Playtime
Similarity 57% You must stay alive in this horror/puzzle adventure. Try to survive the vengeful toys waiting for you in the abandoned toy factory. Use your GrabPack to hack electrical circuits or nab anything from afar. Explore the mysterious facility... and don't get caught. Poppy Playtime is a horror, free to play and singleplayer game developed and published by Mob Entertainment. Released on October 12th 2021 has received 97,367 reviews of which 82,683 were positive and 14,684 were negative resulting in a rating of 8.4 out of 10. With 1,109 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played games like Moons of Madness.
8.4
82,683
14,684
1,109
players
6. Content Warning
Similarity 54% Film your friends doing scary things to become SpöökTube famous! (strongly advised to not go alone) Content Warning is a online co-op, horror and multiplayer game developed by Skog, Zorro, Wilnyl, Philip and thePetHen and published by landfall. Released on April 01st 2024 has received 142,712 reviews of which 135,380 were positive and 7,332 were negative resulting in an impressive rating of 9.4 out of 10. With 1,093 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played games like Moons of Madness.
9.4
135,380
7,332
1,093
players
7. Metro Exodus
Similarity 52% Flee the shattered ruins of the Moscow Metro and embark on an epic, continent-spanning journey across the post-apocalyptic Russian wilderness. Explore vast, non-linear levels, lose yourself in an immersive, sandbox survival experience, and follow a thrilling story-line that spans an entire year in the greatest Metro adventure yet. Metro Exodus is a post-apocalyptic, fps and singleplayer game developed by 4A Games and published by Deep Silver. Released on February 14th 2020 has received 119,664 reviews of which 107,393 were positive and 12,271 were negative resulting in a rating of 8.9 out of 10. With 1,017 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played games like Moons of Madness.
8.9
107,393
12,271
1,017
players
8. Backrooms: Escape Together
Similarity 61% A visually lifelike co-op horror for 1-6 people. Journey through 9 procedurally generated levels, using what's available to survive and progress deeper into the Backrooms. Backrooms: Escape Together is a multiplayer, horror and psychological horror game developed and published by Triiodide Studios. Released on October 18th 2022 has received 20,524 reviews of which 17,890 were positive and 2,634 were negative resulting in a rating of 8.5 out of 10. With 948 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played games like Moons of Madness.
8.5
17,890
2,634
948
players
9. Subnautica: Below Zero
Similarity 55% Dive into a freezing underwater adventure on an alien planet. Below Zero is set two years after the original Subnautica. Return to Planet 4546B to uncover the truth behind a deadly cover-up. Survive by building habitats, crafting tools, & diving deeper into the world of Subnautica. Subnautica: Below Zero is a open world survival craft, survival and underwater game developed and published by Unknown Worlds Entertainment. Released on May 13th 2021 has received 95,811 reviews of which 86,880 were positive and 8,931 were negative resulting in a rating of 8.9 out of 10. With 857 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played games like Moons of Madness.
8.9
86,880
8,931
857
players
10. Stray
Similarity 52% Lost, alone and separated from family, a stray cat must untangle an ancient mystery to escape a long-forgotten cybercity and find their way home. Stray is a cats, adventure and atmospheric game developed by BlueTwelve Studio and published by Annapurna Interactive. Released on July 19th 2022 has received 154,486 reviews of which 150,259 were positive and 4,227 were negative resulting in an impressive rating of 9.6 out of 10. With 696 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played games like Moons of Madness.
9.6
150,259
4,227
696
players
Best deals on games like Moons of Madness on Steam
Discover fantastic savings with the best discounts on a variety of games like Moons of Madness available on Steam right now, updated on April 19th 2025. Looking for even more deals? Use the search filters to explore a wider range of discounted games like Moons of Madness.
1. Fort Solis
Similarity 56% Answer the call from a mining base on Mars as engineer Jack Leary and search for the missing crew. Fort Solis will immerse you with cinematic visuals powered by UE 5 and voice acting of Roger Clark and Troy Baker. Explore the mining complex and reach climax of this narrative thriller experience. Fort Solis is a walking simulator, cinematic and mars game developed by Fallen Leaf and Black Drakkar Games and published by Dear Villagers. Released on August 22nd 2023 has received 2,746 reviews of which 1,866 were positive and 880 were negative resulting in a rating of 6.6 out of 10. Featuring a massive 96% discount, this game currently holds the #1 spot in the best deals for games like Moons of Madness.
6.6
1,866
880
-96%
25.00€
1.00€
2. Observation
Similarity 80% Observation is a sci-fi thriller uncovering what happened to Dr. Emma Fisher, and the crew of her mission, through the lens of the station’s artificial intelligence S.A.M. Observation is a indie, adventure and space game developed by No Code and published by Devolver Digital. Released on May 21st 2020 has received 4,740 reviews of which 3,717 were positive and 1,023 were negative resulting in a rating of 7.6 out of 10. Thanks to its incredible 95% discount, this game is now the #2 best deal in games like Moons of Madness.
7.6
3,717
1,023
-95%
26.80€
1.34€
3. INDUSTRIA
Similarity 53% Embark on a gripping journey in INDUSTRIA, an atmospheric FPS set in Cold War-era East Berlin. Unravel the secrets of a mysterious parallel dimension while searching for a missing colleague. Explore a haunting reality where the truth awaits. Discover the dark past that lies beyond. INDUSTRIA is a fps, action and sci-fi game developed by Bleakmill and published by Headup. Released on September 30th 2021 has received 3,188 reviews of which 2,265 were positive and 923 were negative resulting in a rating of 6.9 out of 10. Thanks to its incredible 95% discount, this game is now the #3 best deal in games like Moons of Madness.
6.9
2,265
923
-95%
20.00€
1.00€
4. The Entropy Centre
Similarity 53% Think in reverse. Outsmart the impossible. A mind-bending first-person adventure where you solve ingenious and complex puzzles by rewinding objects through time. The Entropy Centre is a puzzle, first-person and sci-fi game developed by Stubby Games and published by Playstack. Released on November 03rd 2022 has received 3,453 reviews of which 3,106 were positive and 347 were negative resulting in a rating of 8.7 out of 10. Currently offered at a significant 94% discount, this title has earned the #4 position in the best deals for games like Moons of Madness.
8.7
3,106
347
-94%
18.50€
1.11€
5. Ad Infinitum
Similarity 61% When reality is a nightmare, nightmares become real. In this psychological horror game, you fight the terrifying creatures invading your mind. Can you save your sanity? Ad Infinitum is a horror, action and psychological horror game developed by Hekate and published by Nacon. Released on September 14th 2023 has received 863 reviews of which 695 were positive and 168 were negative resulting in a rating of 7.7 out of 10. Currently offered at a significant 94% discount, this title has earned the #5 position in the best deals for games like Moons of Madness.
7.7
695
168
-94%
35.50€
2.13€
6. Maid of Sker
Similarity 52% Maid of Sker is a first-person survival horror, set in a remote hotel with a gory and macabre history from Welsh folklore. Brave the nightmares of the Quiet Ones. Do not panic…don’t even breathe! Maid of Sker is a horror, adventure and action game developed and published by Wales Interactive. Released on July 28th 2020 has received 2,176 reviews of which 1,719 were positive and 457 were negative resulting in a rating of 7.6 out of 10. Currently offered at a significant 94% discount, this title has earned the #6 position in the best deals for games like Moons of Madness.
7.6
1,719
457
-94%
23.67€
1.42€
7. Hellpoint
Similarity 52% Hellpoint is an intense action RPG taking place on Irid Novo, a derelict space station soaked in an intoxicating dark sci fi atmosphere. Fight dreadful creatures, face the Cosmic Gods and unravel their twisted story. Should the challenge be too great, play with a friend in local or online coop. Hellpoint is a souls-like, sci-fi and action game developed by Cradle Games and published by tinyBuild. Released on July 30th 2020 has received 4,267 reviews of which 3,124 were positive and 1,143 were negative resulting in a rating of 7.1 out of 10. Currently offered at a significant 94% discount, this title has earned the #7 position in the best deals for games like Moons of Madness.
7.1
3,124
1,143
-94%
31.33€
1.88€
8. Call of the Sea
Similarity 53% Call of the Sea is an otherworldly tale of mystery and love set in the 1930s South Pacific. Explore a lush island paradise, solve puzzles and unlock secrets in the hunt for your husband’s missing expedition. Call of the Sea is a adventure, puzzle and story rich game developed by Out of the Blue Games and published by Raw Fury. Released on December 08th 2020 has received 5,033 reviews of which 4,452 were positive and 581 were negative resulting in a rating of 8.6 out of 10. Currently offered at a significant 93% discount, this title has earned the #8 position in the best deals for games like Moons of Madness.
8.6
4,452
581
-93%
19.00€
1.33€
9. SCP: Secret Files
Similarity 62% SCP: Secret Files is a collection of paranormal cases from the SCP Foundation, an organization tasked with containing dangerous anomalies. You join as an assistant researcher for Dr. Raymond Hamm and complete a strenuous induction program that will make you question everything you know. SCP: Secret Files is a adventure, story rich and psychological horror game developed by GameZoo Studio and published by Pixmain. Released on September 13th 2022 has received 4,768 reviews of which 4,224 were positive and 544 were negative resulting in a rating of 8.6 out of 10. Currently offered at a significant 92% discount, this title has earned the #9 position in the best deals for games like Moons of Madness.
8.6
4,224
544
-92%
12.50€
1.00€
10. Fobia - St. Dinfna Hotel
Similarity 61% Explore a decadent hotel across different timelines and uncover the dark history of a fanatical cult and your role in their plans. Fobia - St. Dinfna Hotel is a indie, survival horror and violent game developed by Pulsatrix Studios and published by Maximum Entertainment. Released on June 28th 2022 has received 1,910 reviews of which 1,635 were positive and 275 were negative resulting in a rating of 8.2 out of 10. Currently offered at a significant 91% discount, this title has earned the #10 position in the best deals for games like Moons of Madness.
8.2
1,635
275
-91%
26.00€
2.34€
Free games like Moons of Madness on Steam
Check out this fantastic list of free-to-play games like Moons of Madness you can enjoy on Steam right now, updated on April 19th 2025. Looking for even more free titles? Use the search filters to explore a wider range of free to play games like Moons of Madness.
1. Poppy Playtime
Similarity 57% You must stay alive in this horror/puzzle adventure. Try to survive the vengeful toys waiting for you in the abandoned toy factory. Use your GrabPack to hack electrical circuits or nab anything from afar. Explore the mysterious facility... and don't get caught. Poppy Playtime is a horror, free to play and singleplayer game developed and published by Mob Entertainment. Released on October 12th 2021 has received 97,367 reviews of which 82,683 were positive and 14,684 were negative resulting in a rating of 8.4 out of 10. With 1,109 active players enjoying it for free, this strategy game has reached the #1 spot among the top free games like Moons of Madness.
8.4
82,683
14,684
1,109
players
2. We Were Here
Similarity 52% 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 29,652 reviews of which 26,762 were positive and 2,890 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 243, this game has secured the #2 spot in the ranking of free games like Moons of Madness.
8.8
26,762
2,890
243
players
3. Garten of Banban 0
Similarity 55% Explore the origins of the mysterious Banban’s Kindergarten. Survive the dark past of the establishment. Try to make some friends. Uncover the truth behind the place, and who you are… Garten of Banban 0 is a horror, singleplayer and first-person game developed and published by Euphoric Brothers. Released on February 21st 2025 has received 2,497 reviews of which 1,810 were positive and 687 were negative resulting in a rating of 7.0 out of 10. The game currently holds the #3 spot among the most played free games like Moons of Madness.
7.0
1,810
687
97
players
4. Fears to Fathom - Home Alone
Similarity 53% Fears to Fathom is an episodic psychological horror game where each episode unveils a short story narrated by the ones who survived. Fears to Fathom - Home Alone is a horror, free to play and multiplayer game developed and published by Rayll. Released on July 02nd 2021 has received 8,437 reviews of which 7,589 were positive and 848 were negative resulting in a rating of 8.7 out of 10. The game currently holds the #4 spot among the most played free games like Moons of Madness.
8.7
7,589
848
70
players
5. SCP: Labrat
Similarity 56% You are a test subject in the underground SCP research facility. When a containment breach occurs, you must find your way out. Escape the SCPs, discover anomalous objects, and collect valuable resources along the way. SCP: Labrat is a horror, multiplayer and vr game developed and published by Bezbro Games. Released on December 24th 2022 has received 3,936 reviews of which 3,242 were positive and 694 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 Moons of Madness.
8.0
3,242
694
45
players
6. Pathologic 3: Quarantine
Similarity 55% In this free prologue to a narrative-driven adventure, watch a mysterious plague break out in a small town. Learn what drove a celebrated academic to leave his acclaimed lab. Examine patients, uncover strange secrets, and make first steps towards immortality. Pathologic 3: Quarantine is a adventure, rpg and simulation game developed by Ice-Pick Lodge and published by HypeTrain Digital. Released on March 17th 2025 has received 1,087 reviews of which 975 were positive and 112 were negative resulting in a rating of 8.5 out of 10. The game currently holds the #6 spot among the most played free games like Moons of Madness.
8.5
975
112
31
players
7. The Children of Clay
Similarity 52% The Children of Clay is a short stop motion archeology horror game, where you have to study an ancient artefact and discover its dark secret. The Children of Clay is a horror, atmospheric and detective game developed and published by Balazs Ronyai. Released on March 07th 2025 has received 1,189 reviews of which 1,180 were positive and 9 were negative resulting in an impressive rating of 9.3 out of 10. The game currently holds the #7 spot among the most played free games like Moons of Madness.
9.3
1,180
9
21
players
8. BABBDI
Similarity 52% Find your way out of BABBDI. A short, first person exploration experience. BABBDI is a exploration, atmospheric and walking simulator game developed by Sirius Lemaitre and Leonard Lemaitre and published by Lemaitre Bros. Released on December 22nd 2022 has received 6,212 reviews of which 6,073 were positive and 139 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 Moons of Madness.
9.4
6,073
139
16
players
9. The Complex: Found Footage
Similarity 55% Experience the liminal world of the backrooms through a VHS camera, immersing into a mysterious story and wandering the dream-like structures... Might there be something following you? The Complex: Found Footage is a horror, psychological horror and multiplayer game developed and published by pgWave. Released on August 18th 2022 has received 8,885 reviews of which 8,301 were positive and 584 were negative resulting in an impressive rating of 9.1 out of 10. The game currently holds the #9 spot among the most played free games like Moons of Madness.
9.1
8,301
584
16
players
10. Dagon: by H. P. Lovecraft
Similarity 52% Face unspeakable horrors. Succumb to madness. Welcome to a free daemonic narrative experience inspired by H. P. Lovecraft. Dagon: by H. P. Lovecraft is a horror, lovecraftian and atmospheric game developed and published by Bit Golem. Released on September 24th 2021 has received 11,482 reviews of which 10,933 were positive and 549 were negative resulting in an impressive rating of 9.3 out of 10. The game currently holds the #10 spot among the most played free games like Moons of Madness.
9.3
10,933
549
15
players