Games like Moon Mystery on Steam
For those who prefer not to search, lists of the most played, top deals and best free games like Moon Mystery are available at the bottom of the page.
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THE MULLER-POWELL PRINCIPLE
Welcome to a breathtaking storyline full of portals, solving puzzles with an energy-absorbing weapon, and other adventures in a sci-fi atmosphere! Can you travel through parallel dimensions and uncover the secrets of your past?
The Station
The Station is a first-person sci-fi mystery set on a space station sent to study a sentient alien civilization. Assuming the role of a recon specialist, players must unravel a mystery which will decide the fate of two civilizations.
Phoning Home
A tale of survival about two shipwrecked robots - ION and ANI - on their life-defining journey in this unique genre-mix of exploration, puzzle and survival.
Titan Station
Far into the future, in the year 1999: David, a systems operator, runs from his troubles by taking a job on a space station. After arriving, his mundane work turns into a struggle for his very life as he makes a shocking discovery.
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.
Still There
Every day is the same on the faraway Bento space-lighthouse - until a mysterious radio message breaks through. Evade the past, welcome oblivion, make the perfect Italian coffee. Still There is a psychological adventure game about grief, technical puzzles, wacky AIs and dark humour. How far is far enough?
Fallout: New Vegas
Welcome to Vegas. New Vegas. Enjoy your stay!
Fallout 3: Game of the Year Edition
Prepare for the Future™ With Fallout 3: Game of the Year Edition, experience the most acclaimed game of 2008 like never before. Create a character of your choosing and descend into an awe-inspiring, post-apocalyptic world where every minute is a fight for survival.
Fallout 3
Vault-Tec engineers have worked around the clock on an interactive reproduction of Wasteland life for you to enjoy from the comfort of your own vault. Included is an expansive world, unique combat, shockingly realistic visuals, tons of player choice, and an incredible cast of dynamic characters.
Through Abandoned: The Underground City
It’s the first game of Through Abandoned series, classical point and click game. You try to find your twin-brother who disappeared in a huge and mysterious place called Abandoned.
Disney•Pixar WALL-E
Based on the 2008 computer animated film from Pixar Animation Studios, the video game version of WALL-E involves playing as the lonely robot as he navigates a trash-tainted world and begins an unlikely trek across the cosmos.
Borderlands: The Pre-Sequel
Launch into the Borderlands universe and shoot ‘n’ loot your way through a brand new adventure that rockets you onto Pandora’s moon in Borderlands: The Pre-Sequel!
Halo Infinite
From one of gaming's most iconic sagas, Halo is bigger than ever. Featuring an expansive open-world campaign and a dynamic free to play multiplayer experience.
Moons of Madness
Moons of Madness is a first-person, story-driven cosmic horror game where the scientific exploration of Mars meets the supernatural dread of Lovecraft.
Halo: The Master Chief Collection
The Master Chief’s iconic journey includes six games, built for PC and collected in a single integrated experience. Whether you’re a long-time fan or meeting Spartan 117 for the first time, The Master Chief Collection is the definitive Halo gaming experience.
The Invincible
Rethink human’s dominion in The Invincible: a story-driven adventure set in a hard sci-fi world by Stanisław Lem. Discover planet Regis III as scientist Yasna, use atompunk tools looking for a missing crew and face unforeseen threats. Make choices in a philosophical story that’s driven by science.
System Shock
A first-person fight to the death in the depths of space!
OPUS: The Day We Found Earth
Dive into the boundless galaxy and embark on an emotional adventure! Help little robot Emeth to fulfill a century-old promise by finding Earth in order to save Mankind—so step into the spaceship, operate a deep space telescope, and find out what’s out there in the unknown.
Gemini Rue
Discover a world where life is cheap, identities are bought & sold, & a quest for redemption can change the fate of a whole galaxy.
STAR WARS™ Jedi Knight II - Jedi Outcast™
The Legacy of Star Wars Dark Forces™ and Star Wars® Jedi Knight lives on in the intense first-person action of Jedi Outcast.
ZERO PROTOCOL
In this immersive sci-fi thriller, you will experience the atmosphere of classic 3D games as you solve puzzles, follow an intriguing non-linear storyline, and engage in battles with monsters.
Cyberpunk 2077
Cyberpunk 2077 is an open-world, action-adventure RPG set in the dark future of Night City — a dangerous megalopolis obsessed with power, glamor, and ceaseless body modification.Most played games like Moon Mystery on Steam
Take a look at the top games like Moon Mystery that are currently attracting the largest player bases on the Steam platform, as of April 17th 2025.
1. Cyberpunk 2077
Similarity 59% Cyberpunk 2077 is an open-world, action-adventure RPG set in the dark future of Night City — a dangerous megalopolis obsessed with power, glamor, and ceaseless body modification. Cyberpunk 2077 is a cyberpunk and open world game developed and published by CD PROJEKT RED. Released on December 09th 2020 has received 831,556 reviews of which 699,588 were positive and 131,968 were negative resulting in a rating of 8.4 out of 10. The game has hit the top spot as the #1 most played game like Moon Mystery, thanks to its 19,604 peak concurrent players over the last day.
8.4
699,588
131,968
19,604
players
2. Fallout 4
Similarity 60% Bethesda Game Studios, the award-winning creators of Fallout 3 and The Elder Scrolls V: Skyrim, welcome you to the world of Fallout 4 – their most ambitious game ever, and the next generation of open-world gaming. Fallout 4 is a open world, post-apocalyptic and singleplayer game developed by Bethesda Game Studios and published by Bethesda Softworks. Released on November 09th 2015 has received 389,458 reviews of which 323,460 were positive and 65,998 were negative resulting in a rating of 8.2 out of 10. While seeing 13,694 players online at once in the last 24 hours, this game is currently ranked #2 among games like Moon Mystery based on player count.
8.2
323,460
65,998
13,694
players
3. No Man's Sky
Similarity 57% 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. While seeing 7,766 players online at once in the last 24 hours, this game is currently ranked #3 among games like Moon Mystery based on player count.
8.2
290,482
59,427
7,766
players
4. Fallout: New Vegas
Similarity 60% Welcome to Vegas. New Vegas. Enjoy your stay! Fallout: New Vegas is a open world, rpg and post-apocalyptic game developed by Obsidian Entertainment and published by Bethesda Softworks. Released on October 21st 2010 has received 225,222 reviews of which 216,413 were positive and 8,809 were negative resulting in an impressive rating of 9.5 out of 10. With 5,247 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played games like Moon Mystery.
9.5
216,413
8,809
5,247
players
5. Halo: The Master Chief Collection
Similarity 60% The Master Chief’s iconic journey includes six games, built for PC and collected in a single integrated experience. Whether you’re a long-time fan or meeting Spartan 117 for the first time, The Master Chief Collection is the definitive Halo gaming experience. Halo: The Master Chief Collection is a great soundtrack, fps and classic game developed by 343 Industries, Splash Damage, Ruffian Games, Bungie and Saber Interactive and published by Xbox Game Studios. Released on December 03rd 2019 has received 239,857 reviews of which 221,654 were positive and 18,203 were negative resulting in an impressive rating of 9.1 out of 10. With 3,950 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played games like Moon Mystery.
9.1
221,654
18,203
3,950
players
6. Borderlands 2
Similarity 52% The Ultimate Vault Hunter’s Upgrade lets you get the most out of the Borderlands 2 experience. Borderlands 2 is a loot, shooter and action game developed by Gearbox Software, Aspyr (Mac) and Aspyr (Linux) and published by Aspyr (Mac), Aspyr (Linux) and 2K. Released on September 20th 2012 has received 290,406 reviews of which 272,708 were positive and 17,698 were negative resulting in an impressive rating of 9.3 out of 10. With 2,924 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played games like Moon Mystery.
9.3
272,708
17,698
2,924
players
7. Halo Infinite
Similarity 60% From one of gaming's most iconic sagas, Halo is bigger than ever. Featuring an expansive open-world campaign and a dynamic free to play multiplayer experience. Halo Infinite is a free to play, fps and multiplayer game developed by 343 Industries and published by Xbox Game Studios. Released on November 15th 2021 has received 176,290 reviews of which 123,035 were positive and 53,255 were negative resulting in a rating of 6.9 out of 10. With 2,205 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played games like Moon Mystery.
6.9
123,035
53,255
2,205
players
8. BATTLETECH
Similarity 51% Take command of your own mercenary outfit of 'Mechs and the MechWarriors that pilot them, struggling to stay afloat as you find yourself drawn into a brutal interstellar civil war. BATTLETECH is a mechs, strategy and turn-based tactics game developed by Harebrained Schemes and published by Paradox Interactive. Released on April 24th 2018 has received 31,337 reviews of which 26,233 were positive and 5,104 were negative resulting in a rating of 8.2 out of 10. With 1,591 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played games like Moon Mystery.
8.2
26,233
5,104
1,591
players
9. Horizon Forbidden West™ Complete Edition
Similarity 53% Experience the epic Horizon Forbidden West™ in its entirety with bonus content and the Burning Shores expansion included. The Burning Shores add-on contains additional content for Aloy’s adventure, including new storylines, characters, and experiences in a stunning yet hazardous new area. Horizon Forbidden West™ Complete Edition is a open world, singleplayer and female protagonist game developed by Guerrilla and Nixxes Software and published by PlayStation Publishing LLC. Released on March 21st 2024 has received 22,041 reviews of which 19,726 were positive and 2,315 were negative resulting in a rating of 8.8 out of 10. With 1,455 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played games like Moon Mystery.
8.8
19,726
2,315
1,455
players
10. Half-Life 2
Similarity 59% Reawakened from stasis in the occupied metropolis of City 17, Gordon Freeman is joined by Alyx Vance as he leads a desperate human resistance. Experience the landmark first-person shooter packed with immersive world-building, boundary-pushing physics, and exhilarating combat. Half-Life 2 is a fps, action and sci-fi game developed and published by Valve. Released on November 16th 2004 has received 241,625 reviews of which 235,834 were positive and 5,791 were negative resulting in an impressive rating of 9.7 out of 10. With 1,452 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played games like Moon Mystery.
9.7
235,834
5,791
1,452
players
Best deals on games like Moon Mystery on Steam
Discover fantastic savings with the best discounts on a variety of games like Moon Mystery available on Steam right now, updated on April 17th 2025. Looking for even more deals? Use the search filters to explore a wider range of discounted games like Moon Mystery.
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 Moon Mystery.
6.6
1,866
880
-96%
25.00€
1.00€
2. My Friendly Neighborhood
Similarity 53% Something scary is happening with everyone's favorite Saturday morning puppet show, The Friendly Neighborhood! Play as Gordon, a repairman sent to get to the bottom of this disturbing dilemma. Fend off puppets and solve puzzles in this survival horror adventure. My Friendly Neighborhood is a singleplayer, survival horror and funny game developed by John Szymanski and Evan Szymanski and published by DreadXP. Released on July 18th 2023 has received 2,716 reviews of which 2,597 were positive and 119 were negative resulting in an impressive rating of 9.1 out of 10. Thanks to its incredible 95% discount, this game is now the #2 best deal in games like Moon Mystery.
9.1
2,597
119
-95%
31.20€
1.56€
3. Prodeus
Similarity 50% Prodeus is a first-person shooter of old, re-imagined using modern rendering techniques and technology. Experience the quality you’d expect from a modern AAA game, designed with retro aesthetics and gameplay that invoke the tech-imposed limits of older hardware. Prodeus is a boomer shooter, fps and retro game developed by Bounding Box Software Inc. and published by Humble Games. Released on September 23rd 2022 has received 7,436 reviews of which 6,913 were positive and 523 were negative resulting in an impressive rating of 9 out of 10. Thanks to its incredible 95% discount, this game is now the #3 best deal in games like Moon Mystery.
9
6,913
523
-95%
25.00€
1.25€
4. Observation
Similarity 61% 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 4,729 reviews of which 3,711 were positive and 1,018 were negative resulting in a rating of 7.6 out of 10. Currently offered at a significant 95% discount, this title has earned the #4 position in the best deals for games like Moon Mystery.
7.6
3,711
1,018
-95%
26.80€
1.34€
5. The Entropy Centre
Similarity 62% 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 #5 position in the best deals for games like Moon Mystery.
8.7
3,106
347
-94%
18.50€
1.11€
6. The Gunk
Similarity 51% The Gunk is an action-adventure game in which you play as Rani, part of our duo of gritty space haulers. As they’re struggling to bring in funds, they chance upon an untouched planet brimming with life. They came in search of valuable resources, and it looks like they’ve hit the jackpot… The Gunk is a action-adventure, atmospheric and sci-fi game developed by Image & Form Games and published by Thunderful Publishing. Released on April 29th 2022 has received 2,588 reviews of which 2,226 were positive and 362 were negative resulting in a rating of 8.3 out of 10. Currently offered at a significant 94% discount, this title has earned the #6 position in the best deals for games like Moon Mystery.
8.3
2,226
362
-94%
24.33€
1.46€
7. Ad Infinitum
Similarity 54% 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 854 reviews of which 688 were positive and 166 were negative resulting in a rating of 7.7 out of 10. Currently offered at a significant 94% discount, this title has earned the #7 position in the best deals for games like Moon Mystery.
7.7
688
166
-94%
35.50€
2.13€
8. Still There
Similarity 60% Every day is the same on the faraway Bento space-lighthouse - until a mysterious radio message breaks through. Evade the past, welcome oblivion, make the perfect Italian coffee. Still There is a psychological adventure game about grief, technical puzzles, wacky AIs and dark humour. How far is far enough? Still There is a point & click, emotional and adventure game developed by GhostShark and published by Iceberg Interactive. Released on November 20th 2019 has received 1,272 reviews of which 1,100 were positive and 172 were negative resulting in a rating of 8.2 out of 10. Currently offered at a significant 93% discount, this title has earned the #8 position in the best deals for games like Moon Mystery.
8.2
1,100
172
-93%
14.29€
1.00€
9. Borderlands: The Pre-Sequel
Similarity 60% Launch into the Borderlands universe and shoot ‘n’ loot your way through a brand new adventure that rockets you onto Pandora’s moon in Borderlands: The Pre-Sequel! Borderlands: The Pre-Sequel is a looter shooter, co-op and fps game developed by 2K Australia, Gearbox Software and Aspyr (Linux) and published by Aspyr (Linux) and 2K. Released on October 16th 2014 has received 41,144 reviews of which 33,531 were positive and 7,613 were negative resulting in a rating of 8.0 out of 10. Currently offered at a significant 93% discount, this title has earned the #9 position in the best deals for games like Moon Mystery.
8.0
33,531
7,613
-93%
41.86€
2.93€
10. Genesis Noir
Similarity 50% A noir adventure spanning time and space. When a love triangle between cosmic beings becomes a bitter confrontation, you'll witness a gunshot fired by a jealous god—otherwise known as The Big Bang. Jump into the expanding universe and search for a way to destroy creation and save your love. Genesis Noir is a noir, point & click and story rich game developed by Feral Cat Den and published by Fellow Traveller. Released on March 26th 2021 has received 1,960 reviews of which 1,541 were positive and 419 were negative resulting in a rating of 7.6 out of 10. Currently offered at a significant 93% discount, this title has earned the #10 position in the best deals for games like Moon Mystery.
7.6
1,541
419
-93%
14.29€
1.00€
Free games like Moon Mystery on Steam
Check out this fantastic list of free-to-play games like Moon Mystery you can enjoy on Steam right now, updated on April 17th 2025. Looking for even more free titles? Use the search filters to explore a wider range of free to play games like Moon Mystery.
1. Halo Infinite
Similarity 60% From one of gaming's most iconic sagas, Halo is bigger than ever. Featuring an expansive open-world campaign and a dynamic free to play multiplayer experience. Halo Infinite is a free to play, fps and multiplayer game developed by 343 Industries and published by Xbox Game Studios. Released on November 15th 2021 has received 176,290 reviews of which 123,035 were positive and 53,255 were negative resulting in a rating of 6.9 out of 10. With 2,205 active players enjoying it for free, this strategy game has reached the #1 spot among the top free games like Moon Mystery.
6.9
123,035
53,255
2,205
players
2. Classic Marathon
Similarity 51% From the team that brought you Aleph One, the classic sci-fi FPS Marathon from Bungie on Mac revived for modern hardware by the fan community. Classic Marathon is a fps, shooter and pvp game developed and published by Aleph One Developers. Released on May 10th 2024 has received 853 reviews of which 787 were positive and 66 were negative resulting in a rating of 8.7 out of 10. Thanks to its free to play tag and a daily player base of 116, this game has secured the #2 spot in the ranking of free games like Moon Mystery.
8.7
787
66
116
players
3. Endless Sky
Similarity 52% Endless Sky is a 2D space trading and combat game inspired by the classic Escape Velocity series. Work your way up from a relatively wimpy shuttle, cargo ship, or fighter, to a highly upgraded and customized flagship or to a massive fleet of warships or freighters. Endless Sky is a space, free to play and open world game developed and published by Michael Zahniser. Released on October 30th 2015 has received 6,579 reviews of which 6,074 were positive and 505 were negative resulting in a rating of 8.9 out of 10. Thanks to its free to play tag and a daily player base of 106, this game has secured the #3 spot in the ranking of free games like Moon Mystery.
8.9
6,074
505
106
players
4. 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 2,497 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 #4 spot among the most played free games like Moon Mystery.
7.0
1,810
687
70
players
5. Aurora Hills: Chapter 1
Similarity 50% Aurora Hills: Chapter 1 is the first part in series of point and click puzzle adventure games. Follow the journey of Ethan Hill, a park ranger tasked with investigating strange disappearances from the region to uncover the mystery of Aurora Hills! Aurora Hills: Chapter 1 is a adventure, puzzle and mystery game developed and published by NovaSoft Interactive Ltd.. Released on April 20th 2024 has received 2,344 reviews of which 2,245 were positive and 99 were negative resulting in an impressive rating of 9.1 out of 10. The game currently holds the #5 spot among the most played free games like Moon Mystery.
9.1
2,245
99
39
players
6. The Lab
Similarity 58% Welcome to The Lab, a compilation of Valve’s room-scale VR experiments set in a pocket universe within Aperture Science. Fix a robot, defend a castle, adopt a mechanical dog, and more. Still not sold? It’s free! The Lab is a free to play, vr and singleplayer game developed and published by Valve. Released on April 05th 2016 has received 6,325 reviews of which 6,011 were positive and 314 were negative resulting in an impressive rating of 9.2 out of 10. The game currently holds the #6 spot among the most played free games like Moon Mystery.
9.2
6,011
314
18
players
7. BRINK
Similarity 51% You decide the combat role you want to assume in the world of Brink as you fight to save yourself and mankind’s last refuge! BRINK is a fps, action and multiplayer game developed by Splash Damage and published by Bethesda Softworks. Released on May 09th 2011 has received 7,918 reviews of which 4,975 were positive and 2,943 were negative resulting in a rating of 6.2 out of 10. The game currently holds the #7 spot among the most played free games like Moon Mystery.
6.2
4,975
2,943
14
players
8. Bendy: Secrets of the Machine
Similarity 55% 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 1,875 reviews of which 1,576 were positive and 299 were negative resulting in a rating of 8.1 out of 10. The game currently holds the #8 spot among the most played free games like Moon Mystery.
8.1
1,576
299
6
players
9. Transmissions: Element 120
Similarity 54% TE120 is a short single player experience set in the Half-Life Universe featuring a gravity defying weapon that allows you to jump buildings and sustain large falls. The story takes place at a mysterious date & location. Where are you? Why have you been sent? Transmissions: Element 120 is a free to play, action and shooter game developed by Shokunin, Thomas M. Visser and Vincent Thiele and published by Self published. Released on June 16th 2016 has received 9,777 reviews of which 9,239 were positive and 538 were negative resulting in an impressive rating of 9.2 out of 10. The game currently holds the #9 spot among the most played free games like Moon Mystery.
9.2
9,239
538
4
players
10. Marie's Room
Similarity 52% Marie's Room is a short story exploration game about an unconventional friendship between two classmates. You play as Kelsey, remembering Marie's room as it was twenty years ago. But something’s off. What happened to Marie? Marie's Room is a free to play, story rich and atmospheric game developed and published by like Charlie. Released on April 13th 2018 has received 6,433 reviews of which 6,029 were positive and 404 were negative resulting in an impressive rating of 9.1 out of 10. The game currently holds the #10 spot among the most played free games like Moon Mystery.
9.1
6,029
404
3
players