IMHO.

Games like Moons of Madness

If Moons of Madness is your kind of game, the closest matches are SOMA, Observation and Transient: Extended Edition — picked from the ranked list below. Reviewers single out its atmospheric, immersive and mysterious. Each pick is ranked by what players of this game also play, shared genres and tags, and review-mined similarity — not a generic popularity list.

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Moons of Madness is a 2019 adventure game set on Mars, developed by Rock Pocket Games and published by Funcom. Players navigate a first-person experience centered on environmental interaction, puzzle-solving, resource management, and system maintenance, with hallucination sequences punctuating the narrative. Reviewers and players describe the atmosphere as immersive and unsettling, praising the authentic Mars base setting and how the puzzles reinforce the sci-fi technician role. The cosmic horror unfolds as a slow burn, building dread through a story that players highlight as thought-provoking. The unique UI contributes to the immersive quality players note. Available at $24.99 USD, the game holds a 77% positive rating from over 1,200 Steam reviews and runs verified on Steam Deck.

About 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.

2019Adventure24.99 USDDeck VerifiedMetacritic 69Windowsby Rock Pocket Games
Moons of Madness — Steam game cover
Players highlight
Mars base setting feels authenticPuzzles fit the sci fi technician roleSlow burn cosmic horror builds dreadAtmosphericImmersiveMysterious

Players who liked Moons of Madness also play

Steam players who put hours into Moons of Madness also tend to own these titles — a signal called collaborative filtering. imho.run cross-references millions of library ownership patterns to surface games whose real audiences overlap, regardless of whether their genre tags match.

  1. SOMA

    WHY THIS

    Shares puzzle solving and an atmospheric mood with Moons of Madness.

    Top pick for Moons of Madness fans by collaborative filtering across millions of Steam libraries. Shares Adventure with Moons of Madness.

    From the creators of Amnesia: The Dark Descent comes SOMA, a sci-fi horror game set below the waves of the Atlantic ocean. Struggle to survive a hostile world that will make you question your very existence.

    2015ActionIndieAdventure29.99 USDDeck VerifiedSteam ↗
  2. Observation

    WHY THIS

    Shares an atmospheric mood with Moons of Madness.

    Second-strongest match for Moons of Madness fans by collaborative filtering across millions of Steam libraries. Shares Adventure with Moons of Madness.

    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.

    2020IndieAdventure24.99 USDSteam ↗
  3. Transient: Extended Edition

    WHY THIS

    Shares an atmospheric mood with Moons of Madness.

    Third-strongest match for Moons of Madness fans by collaborative filtering across millions of Steam libraries. Shares Adventure with Moons of Madness.

    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.

    2020IndieAdventure19.99 USDDeck PlayableSteam ↗
  4. The Alien Cube

    WHY THIS

    Shares puzzle solving, resource management and an atmospheric mood with Moons of Madness.

    Ranked #4 for Moons of Madness fans by collaborative filtering across millions of Steam libraries. Shares Adventure with Moons of Madness.

    A cursed legacy awakens something ancient, revealing a terrifying reality never meant for human eyes. Follow your missing uncle’s trail, uncover forbidden secrets, and face a Lovecraftian cosmic horror in this first‑person adventure.

    2021IndieAdventure19.99 USDDeck PlayableSteam ↗
  5. Conarium

    WHY THIS

    Ranked #5 for Moons of Madness fans by collaborative filtering across millions of Steam libraries. Shares Adventure with Moons of Madness.

    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.

    2017IndieAdventure19.99 USDDeck PlayableSteam ↗
  6. The Land of Pain

    WHY THIS

    Shares an atmospheric mood with Moons of Madness.

    Ranked #6 for Moons of Madness fans by collaborative filtering across millions of Steam libraries. Shares Adventure with Moons of Madness.

    Something strange appears in the woods. Lost in a dark and unknown place, survive an unrelenting enemy, solve puzzles, and uncover the ancient mystery that’s befallen this land in this Lovecraftian Cosmic Horror adventure.

    2017IndieAdventure11.99 USDDeck VerifiedSteam ↗
  7. Narcosis

    WHY THIS

    Shares hallucination sequences and an atmospheric mood with Moons of Madness.

    Ranked #7 for Moons of Madness fans by collaborative filtering across millions of Steam libraries. Shares Adventure with Moons of Madness.

    Survival, horror at the sunless depths of the Pacific Ocean: Stranded on the seafloor with low light and few tools, an industrial diver takes desperate steps to surface before his oxygen — and sanity — give out.

    2017IndieAdventure14.99 USDSteam ↗
  8. ROUTINE

    WHY THIS

    Shares puzzle solving and an atmospheric mood with Moons of Madness.

    Ranked #8 for Moons of Madness fans by collaborative filtering across millions of Steam libraries. Shares Adventure with Moons of Madness.

    ROUTINE is a First Person Sci-Fi Horror set on an abandoned lunar base designed around an 80s vision of the future. Explore and investigate your surroundings as you survive against unknown threats.

    2025ActionIndieAdventure24.99 USDDeck PlayableSteam ↗

Reviewers mention these as similar to Moons of Madness

Surfaced from review text: when other players write 'if you liked X, try Y', we catch the name and resolve it back to a Steam game.

  1. Outlast

    WHY THIS

    Shares resource management with Moons of Madness.

    Reviewers of Moons of Madness cross-mention this title as a similar play. Shares Adventure with Moons of Madness.

    Hell is an experiment you can't survive in Outlast, a first-person survival horror game developed by veterans of some of the biggest game franchises in history. As investigative journalist Miles Upshur, explore Mount Massive Asylum and try to survive long enough to discover its terrible secret... if you dare.

    2013ActionIndieAdventure14.99 USDDeck PlayableSteam ↗
  2. Conarium

    WHY THIS

    Reviewers of Moons of Madness cross-mention this title as a similar play. Shares Adventure with Moons of Madness.

    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.

    2017IndieAdventure19.99 USDDeck PlayableSteam ↗
  3. Event Horizon

    WHY THIS

    Shares an atmospheric mood with Moons of Madness.

    Reviewers of Moons of Madness cross-mention this title as a similar play.

    Take command of a space fleet and start your galaxy exploration mission.

    2018ActionIndieRPG5.99 USDDeck PlayableSteam ↗
  4. ~Be a maid in the Demon World~ The Secret Café of the Demon Angel Hero.

    WHY THIS

    Shares an atmospheric mood with Moons of Madness.

    Reviewers of Moons of Madness cross-mention this title as a similar play.

    The protagonist who Reincarnated to the Demon World became a black mascot, in order to restore his original appearance. Use the knowledge of the "different world" to transform the little devil's tavern into a maid cafe, and aim for the first maid cafe in the demon world!

    2020IndieSimulationRPG18.99 USDDeck PlayableSteam ↗
  5. Park The Car

    WHY THIS

    Reviewers of Moons of Madness cross-mention this title as a similar play.

    Park the car is a racing game where you need to park your cars in a safe location!

    2020SportsIndieSimulation1.99 USDSteam ↗
  6. Alien

    WHY THIS

    Reviewers of Moons of Madness cross-mention this title as a similar play.

    Alien is a visual novel exclusively for adults! This story is about a guy who has been dreaming of having sex with an alien woman for a very long time. At some point, this dream comes true and the guy finally fucked an alien woman!

    2022IndieSimulationCasual5.99 USDSteam ↗

Cheaper alternatives

Games in the same vein priced at least 40% below Moons of Madness at current Steam store prices.

  1. Terraria

    WHY THIS

    Priced ~60% under Moons of Madness on Steam right now. Shares Adventure with Moons of Madness.

    Dig, fight, explore, build! Nothing is impossible in this action-packed adventure game. Four Pack also available!

    2011ActionIndieAdventure9.99 USDDeck VerifiedSteam ↗
  2. Lethal Company

    WHY THIS

    Priced ~60% under Moons of Madness on Steam right now. Shares Adventure with Moons of Madness.

    A co-op horror about scavenging at abandoned moons to sell scrap to the Company.

    2023ActionIndieAdventure9.99 USDDeck PlayableSteam ↗
  3. Portal 2

    WHY THIS

    Priced ~60% under Moons of Madness on Steam right now. Shares Adventure with Moons of Madness.

    The "Perpetual Testing Initiative" has been expanded to allow you to design co-op puzzles for you and your friends!

    2011ActionAdventure9.99 USDDeck VerifiedSteam ↗
  4. PEAK

    WHY THIS

    Priced ~68% under Moons of Madness on Steam right now. Shares Adventure with Moons of Madness.

    PEAK is a co-op climbing game where the slightest mistake can spell your doom. Either solo or as a group of lost nature scouts, your only hope of rescue from a mysterious island is to scale the mountain at its center. Do you have what it takes to reach the PEAK?

    2025ActionIndieAdventure7.99 USDDeck VerifiedSteam ↗
  5. Inscryption

    WHY THIS

    Priced ~68% under Moons of Madness on Steam right now. Shares Adventure with Moons of Madness.

    Inscryption is an inky black card-based odyssey that blends the deckbuilding roguelike, escape-room style puzzles, and psychological horror into a blood-laced smoothie. Darker still are the secrets inscrybed upon the cards...

    2021StrategyIndieAdventure7.99 USDDeck PlayableSteam ↗
  6. It Takes Two

    WHY THIS

    Priced ~44% under Moons of Madness on Steam right now. Shares Adventure with Moons of Madness.

    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.

    2021ActionAdventure13.99 USDDeck VerifiedSteam ↗
  7. Noita

    WHY THIS

    Priced ~68% under Moons of Madness on Steam right now. Shares Adventure with Moons of Madness.

    Noita is a magical action roguelite set in a world where every pixel is physically simulated. Fight, explore, melt, burn, freeze and evaporate your way through the procedurally generated world using spells you've created yourself.

    2020ActionIndieAdventure7.99 USDDeck VerifiedSteam ↗
  8. POSTAL 2

    WHY THIS

    Priced ~96% under Moons of Madness on Steam right now. Shares Adventure with Moons of Madness.

    Live a week in the life of "The POSTAL Dude"; a hapless everyman just trying to check off some chores. Buying milk, returning an overdue library book, getting Gary Coleman's autograph, what could possibly go wrong?

    2012ActionIndieAdventure0.99 USDDeck VerifiedSteam ↗

Free alternatives

Free-to-play games that recommended players of this title also tend to enjoy.

  1. Doki Doki Literature Club!

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it.

    The Literature Club is full of cute girls! Will you write the way into their heart? This game is not suitable for children or those who are easily disturbed.

    2017IndieFree To PlayCasualFreeDeck PlayableSteam ↗
  2. Life is Strange - Episode 1

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Adventure with Moons of Madness.

    Episode 1 now FREE! Life is Strange is an award-winning and critically acclaimed episodic adventure game that allows the player to rewind time and affect the past, present and future.

    2015ActionAdventureFreeDeck PlayableSteam ↗
  3. Helltaker

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Adventure with Moons of Madness.

    Helltaker is a short game about sharply dressed demon girls.

    2020IndieAdventureFree To PlayFreeDeck PlayableSteam ↗
  4. Ultimate Custom Night

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it.

    Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties!

    2018ActionIndieFree To PlayFreeSteam ↗
  5. ENA: Dream BBQ

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Adventure with Moons of Madness.

    Experience surreal environments and inexplicable characters as ENA in a new wild world.

    2025IndieAdventureFreeDeck VerifiedSteam ↗
  6. The Murder of Sonic the Hedgehog

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it.

    Sonic the Hedgehog...was murdered!? Get to the bottom of the mystery in this brand-new adventure!

    2023IndieSimulationFree To PlayFreeDeck PlayableSteam ↗
  7. Indigo Park: Chapter 1

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Adventure with Moons of Madness.

    Explore the abandoned childhood wonder of Indigo Park! Guided by Rambley the Raccoon, help restore power to the destroyed amusement park while you run from the reason it shut down.

    2024ActionIndieAdventureFreeDeck PlayableSteam ↗
  8. The Looker

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it.

    You wake up, alone, on a strangely familiar island full of puzzles that will frustrate and annoy you.

    2022IndieFreeDeck PlayableSteam ↗

More from Rock Pocket Games

Other recommendable Steam games by Rock Pocket Games, ranked by review count so the studio's hits land first.

  1. Pinchcliffe Grand Prix

    WHY THIS

    Another title from Rock Pocket Games, the studio behind Moons of Madness.

    Immerse yourself in the world of Flåklypa in this game for the whole family. Play nine mini games, enjoy the classic story and take it to the tracks for high-octane racing, alone or with a friend in split-screen. But watch out, your competitors will use dirty tricks to win – and so can you!

    2021ActionRacing29.99 USDSteam ↗
  2. Somber Echoes

    WHY THIS

    Shares an atmospheric mood with Moons of Madness.

    Another title from Rock Pocket Games, the studio behind Moons of Madness. Shares Adventure with Moons of Madness.

    Armed with God-given powers, the revived tribune Adrestia is given a second chance to save the universe from her maniacal twin sister. Find secrets, acquire upgrades, and dominate mighty foes through sheer combat prowess as you explore and conquer the horrors of the forsaken vessel Atromitos.

    2025ActionAdventure14.99 USDDeck PlayableSteam ↗
  3. Shiftlings

    WHY THIS

    Another title from Rock Pocket Games, the studio behind Moons of Madness. Shares Adventure with Moons of Madness.

    The galaxy's biggest no-brainer!Control two adorably dim-witted alien space janitors on their quirky quest to repair the galaxy!

    2015ActionAdventureDeck VerifiedSteam ↗
  4. Captain Sabertooth and the Magic Diamond

    WHY THIS

    Another title from Rock Pocket Games, the studio behind Moons of Madness. Shares Adventure with Moons of Madness.

    Embark on an epic quest for treasure in Captain Sabertooth and the Magic Diamond, a pirate platform-adventure game for the whole family! 

    2020ActionIndieAdventure1.99 USDSteam ↗
  5. Pinchcliffe Grand Prix Anniversary Edition

    WHY THIS

    Another title from Rock Pocket Games, the studio behind Moons of Madness. Shares Adventure with Moons of Madness.

    Experience the magic of Pinchcliffe Grand Prix in this anniversary edition, now with even more exciting features and activities! The expanded version includes 8 extra mini-games from the 2000 edition, which, together with the classic gameplay, provide a complete and memorable gaming experience!

    2025ActionAdventureRacing44.99 USDDeck PlayableSteam ↗

Frequently asked about Moons of Madness

Is Moons of Madness verified for Steam Deck?
Yes — Moons of Madness is Steam Deck Verified, meaning Valve has confirmed it runs well on the Deck with full controller, text legibility, and default configuration support.
How much does Moons of Madness cost?
Moons of Madness is listed on Steam at 24.99 USD (current store price; Steam sales may reduce this temporarily).
What games are most similar to Moons of Madness?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Moons of Madness are SOMA, Observation, Transient: Extended Edition.
Who developed Moons of Madness?
Moons of Madness was developed by Rock Pocket Games and published by Funcom.

imho.run ranks Steam game alternatives using a mix of collaborative filtering (ALS / iALS / EASE / LightGCN), content scoring over genres, categories, Steam tags, developers, and publishers, plus AI-extracted vibes mined from review text. The page above is generated in seed mode anchored on Moons of Madness.

For library-aware picks tuned to your specific taste, sign in with Steam on the home page.

35 Games Like Moons of Madness — Ranked for 2026 · imho.run