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.
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.
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.
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.
Mouthwashing
The five crew members of the Tulpar are stranded in the empty reaches of space, shrouded in perpetual sunset. God is not watching.
Lust from Beyond: M Edition
Descend into madness in a first-person survival horror inspired by Lovecraft and Giger. Solve the mystery of esoteric cults. Cross the gate to the blasphemous land of Lusst’ghaa. Play the new M-rated cut of the fan-favorite Lust from Beyond.
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...
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.
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.
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.
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.
Alien: Isolation
Discover the true meaning of fear in Alien: Isolation, a survival horror set in an atmosphere of constant dread and mortal danger.
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?
The Baby In Yellow
You've got a new babysitting job, and things are taking a turn for the weird. Feed him, read him a bedtime story, and try not to fall into his dreams. How long can you stay in control?
What Remains of Edith Finch
What Remains of Edith Finch is a collection of strange tales about a family in Washington state. As Edith, you’ll explore the colossal Finch house, searching for stories as she explores her family history and tries to figure out why she's the last one in her family left alive.
The Guest
'The Guest' is a gloomy adventure full of enigmas where the exploration of your surroundings comes to prominence; puzzles, secrets and riddles will help you discover who has locked you in this somber hotel room and most importantly, why.
The Room 4: Old Sins
The disappearance of an ambitious engineer and his high-society wife provokes a hunt for a precious artefact. The trail leads you to the attic of their home, and the discovery of an old, peculiar dollhouse. What secrets lie within these walls?
Haunted House
"Cheong Wing Mansion" A plot game set in a public housing estate, Prosperous Mansions is an exploration of Hong Kong in the olden days, with elements of ghosts and urban legends. The game is divided into units, each of which has its own story, yet is closely intertwined.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 30th 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 350,242 reviews of which 290,801 were positive and 59,441 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 5,653 peak concurrent players over the last day.
8.2
290,801
59,441
5,653
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 310,872 reviews of which 301,651 were positive and 9,221 were negative resulting in an impressive rating of 9.6 out of 10. While seeing 2,589 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
301,651
9,221
2,589
players
3. DREDGE
Similarity 54% 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 42,787 reviews of which 40,999 were positive and 1,788 were negative resulting in an impressive rating of 9.4 out of 10. While seeing 1,016 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
40,999
1,788
1,016
players
4. Resident Evil 7 Biohazard
Similarity 56% Fear and isolation seep through the walls of an abandoned southern farmhouse. "7" marks a new beginning for survival horror with the “Isolated View” of the visceral new first-person perspective. Resident Evil 7 Biohazard is a horror, survival horror and first-person game developed and published by CAPCOM Co. and Ltd.. Released on January 23rd 2017 has received 96,525 reviews of which 91,934 were positive and 4,591 were negative resulting in an impressive rating of 9.4 out of 10. With 927 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
91,934
4,591
927
players
5. Outer Wilds
Similarity 72% 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 82,852 reviews of which 79,273 were positive and 3,579 were negative resulting in an impressive rating of 9.4 out of 10. With 793 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played games like Moons of Madness.
9.4
79,273
3,579
793
players
6. 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 96,089 reviews of which 87,120 were positive and 8,969 were negative resulting in a rating of 8.9 out of 10. With 694 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played games like Moons of Madness.
8.9
87,120
8,969
694
players
7. Poppy Playtime
Similarity 56% 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 97,737 reviews of which 83,026 were positive and 14,711 were negative resulting in a rating of 8.4 out of 10. With 666 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played games like Moons of Madness.
8.4
83,026
14,711
666
players
8. Metro Exodus
Similarity 51% 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 120,329 reviews of which 108,013 were positive and 12,316 were negative resulting in a rating of 8.9 out of 10. With 635 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played games like Moons of Madness.
8.9
108,013
12,316
635
players
9. Prey
Similarity 63% 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. Prey is a sci-fi, immersive sim and space game developed by Arkane Studios and published by Bethesda Softworks. Released on May 04th 2017 has received 50,525 reviews of which 45,911 were positive and 4,614 were negative resulting in a rating of 8.9 out of 10. With 563 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
45,911
4,614
563
players
10. Content Warning
Similarity 53% 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 143,027 reviews of which 135,655 were positive and 7,372 were negative resulting in an impressive rating of 9.4 out of 10. With 554 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played games like Moons of Madness.
9.4
135,655
7,372
554
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 30th 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 2,856 reviews of which 1,942 were positive and 914 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
1,942
914
-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 4,742 reviews of which 3,718 were positive and 1,024 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
3,718
1,024
-95%
26.80€
1.34€
3. 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 3,538 reviews of which 3,186 were positive and 352 were negative resulting in a rating of 8.7 out of 10. Thanks to its incredible 94% discount, this game is now the #3 best deal in games like Moons of Madness.
8.7
3,186
352
-94%
18.50€
1.11€
4. Maid of Sker
Similarity 51% 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 2,177 reviews of which 1,718 were positive and 459 were negative resulting in a rating of 7.6 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.
7.6
1,718
459
-94%
23.67€
1.42€
5. Hellpoint
Similarity 51% 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 4,269 reviews of which 3,124 were positive and 1,145 were negative resulting in a rating of 7.1 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.
7.1
3,124
1,145
-94%
31.33€
1.88€
6. 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 5,082 reviews of which 4,490 were positive and 592 were negative resulting in a rating of 8.5 out of 10. Currently offered at a significant 93% discount, this title has earned the #6 position in the best deals for games like Moons of Madness.
8.5
4,490
592
-93%
19.00€
1.33€
7. Ad Infinitum
Similarity 60% 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 870 reviews of which 702 were positive and 168 were negative resulting in a rating of 7.7 out of 10. Currently offered at a significant 93% discount, this title has earned the #7 position in the best deals for games like Moons of Madness.
7.7
702
168
-93%
32.71€
2.29€
8. INDUSTRIA
Similarity 52% 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 3,200 reviews of which 2,273 were positive and 927 were negative resulting in a rating of 6.9 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.
6.9
2,273
927
-93%
20.29€
1.42€
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 4,778 reviews of which 4,233 were positive and 545 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
4,233
545
-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 1,922 reviews of which 1,646 were positive and 276 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
1,646
276
-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 30th 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 56% 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 97,737 reviews of which 83,026 were positive and 14,711 were negative resulting in a rating of 8.4 out of 10. With 666 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
83,026
14,711
666
players
2. Garten of Banban 0
Similarity 54% 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 2,548 reviews of which 1,848 were positive and 700 were negative resulting in a rating of 7.0 out of 10. The game currently holds the #2 spot among the most played free games like Moons of Madness.
7.0
1,848
700
62
players
3. 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 8,538 reviews of which 7,681 were positive and 857 were negative resulting in a rating of 8.7 out of 10. The game currently holds the #3 spot among the most played free games like Moons of Madness.
8.7
7,681
857
47
players
4. SCP: Labrat
Similarity 55% 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 3,951 reviews of which 3,256 were positive and 695 were negative resulting in a rating of 8.0 out of 10. The game currently holds the #4 spot among the most played free games like Moons of Madness.
8.0
3,256
695
14
players
5. Serena
Similarity 60% How long has it been? A man sits in a distant getaway cabin waiting for his wife Serena. Where is she? Things in the cabin evoke memories, and the husband comes to a disturbing realization... This short point-and-click adventure is the result of a massive collaborative effort between dozens of fans and designers of adventure games. Serena is a horror, free to play and indie game developed and published by Senscape. Released on January 30th 2014 has received 6,435 reviews of which 4,952 were positive and 1,483 were negative resulting in a rating of 7.5 out of 10. The game currently holds the #5 spot among the most played free games like Moons of Madness.
7.5
4,952
1,483
8
players
6. 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 singleplayer game developed and published by pgWave. Released on August 18th 2022 has received 8,916 reviews of which 8,329 were positive and 587 were negative resulting in an impressive rating of 9.1 out of 10. The game currently holds the #6 spot among the most played free games like Moons of Madness.
9.1
8,329
587
7
players
7. Bendy: Secrets of the Machine
Similarity 54% Some things are better left forgotten. Bendy: Secrets of the Machine is a adventure, indie and horror game developed by Gent Corporation and published by Joey Drew Studios. Released on April 14th 2024 has received 1,887 reviews of which 1,587 were positive and 300 were negative resulting in a rating of 8.1 out of 10. The game currently holds the #7 spot among the most played free games like Moons of Madness.
8.1
1,587
300
7
players
8. the static speaks my name
Similarity 52% A dark/sad/weird/funny first person exploration game. You play a man on his last night alive as he obsesses over a mysterious painting. More of a story game in that it emphasizes mood and character over gameplay. Takes ten minutes to play and has "next-gen" features like a shrimp tank. the static speaks my name is a free to play, psychological horror and indie game developed and published by the whale husband. Released on August 10th 2015 has received 5,618 reviews of which 4,584 were positive and 1,034 were negative resulting in a rating of 7.9 out of 10. The game currently holds the #8 spot among the most played free games like Moons of Madness.
7.9
4,584
1,034
7
players
9. 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 6,265 reviews of which 6,126 were positive and 139 were negative resulting in an impressive rating of 9.4 out of 10. The game currently holds the #9 spot among the most played free games like Moons of Madness.
9.4
6,126
139
6
players
10. Pathologic 3: Quarantine
Similarity 54% 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 1,117 reviews of which 999 were positive and 118 were negative resulting in a rating of 8.5 out of 10. The game currently holds the #10 spot among the most played free games like Moons of Madness.
8.5
999
118
6
players