IMHO.

Games like Unfortunate Spacemen

If Unfortunate Spacemen is your kind of game, the closest matches are Sincognito, Guillotine and Buried Whispers — picked from the ranked list below. Reviewers single out its atmospheric, dark and funny. 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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Unfortunate Spacemen is a first-person social deduction shooter released in 2020 by Geoff 'Zag' Keene and Deep Field Games, published by New Blood Interactive. The free-to-play game supports up to 16 players in online co-op matches, combining objective-based survival with a shapeshifting monster mechanic that forces constant paranoia among crew members. Players can equip perk loadouts to customize their playstyles, and proximity voice chat enables emergent social encounters that reviewers highlight as particularly memorable. The game includes a karma system, spectator interaction, and maps designed for tense standoffs according to player feedback. Critics describe the atmosphere as dark and atmospheric with comedic undertones, creating tense sessions that can extend to long play sessions. The title holds an 86% positive rating from over 6,200 Steam reviews.

About Unfortunate Spacemen: An online multiplayer game about shapeshifting deception and betrayal! As a hapless, brave spaceman employed by The Company you'll work diligently to defend and be rescued from failing outposts, but not everyone around you is who they claim to be...

2020ActionStrategyIndieFree To PlayFree to playWindowsby Geoff 'Zag' Keene, Deep Field Games
Unfortunate Spacemen — Steam game cover
Players highlight
Free to play with no pay to win elementsMaps designed for tense immersive standoffsPerk loadouts let players customize playstylesAtmosphericDarkFunny

Players who liked Unfortunate Spacemen also play

Steam players who put hours into Unfortunate Spacemen 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. Sincognito

    WHY THIS

    Top pick for Unfortunate Spacemen fans by collaborative filtering across millions of Steam libraries. Shares Action and Strategy with Unfortunate Spacemen.

    An social deduction investigation horror game where one of you is secretly possessed by a Deadly Sin. Use stealth and proximity chat to cooperate or deceive as you gather clues and compare findings to deduce which Sin is haunting the castle.

    2026ActionStrategyIndieSteam ↗
  2. Guillotine

    WHY THIS

    Second-strongest match for Unfortunate Spacemen fans by collaborative filtering across millions of Steam libraries. Shares Indie with Unfortunate Spacemen.

    Guillotine is a multiplayer game of social deduction, with a pinch of survival. You're in a tavern in the woods, but someone is a necromorph hungry for human meat. Guillotine the necromorph, or get eaten alive.

    2022IndieAdventureCasual4.99 USDSteam ↗
  3. Buried Whispers

    WHY THIS

    Third-strongest match for Unfortunate Spacemen fans by collaborative filtering across millions of Steam libraries. Shares Action with Unfortunate Spacemen.

    A chaotic social deduction game for up to 10 players. Collaborate to complete a demonic ritual, but be careful: secret moles among you are trying to prevent it. Anyone can kill anyone, sacrifice your health to cast multiple votes, and dig tunnels inside fully destructible, randomly generated caves.

    ActionSteam ↗
  4. Imposters: Countdown

    WHY THIS

    Ranked #4 for Unfortunate Spacemen fans by collaborative filtering across millions of Steam libraries.

    Complete tasks & mini-games. Report bodies. Call voting sessions. Hack the station. Overload the reactor. Betray your friends. An online party game of teamwork and betrayal for 4-12 players...in third person! Escape the ship before the countdown runs out! Don't get fooled by the rogue AI.

    2023CasualFreeDeck PlayableSteam ↗
  5. Castle of Mist

    WHY THIS

    Ranked #5 for Unfortunate Spacemen fans by collaborative filtering across millions of Steam libraries. Shares Action and Strategy with Unfortunate Spacemen.

    Castle of Mist is a first-person shooter with Roguelike random elements set in a medieval-style adventure. Players control different characters, choose various items to create unique playstyles, and ultimately defeat various monsters and the dragon attacking the castle to achieve victory.

    2025ActionStrategyIndie4.99 USDSteam ↗
  6. MindHunt

    WHY THIS

    Ranked #6 for Unfortunate Spacemen fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Unfortunate Spacemen.

    MindHunt is a solo/multiplayer detective like game (1-10 players), where you as an agent try to find out which androids are infected in order to shut them down! Well, if you are the infected one, you better blend with other androids and complete all tasks necessary!

    2022StrategyIndieCasual4.99 USDSteam ↗
  7. Alterum

    WHY THIS

    Ranked #7 for Unfortunate Spacemen fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Unfortunate Spacemen.

    Social deduction horror game with voice recognition, full of betrayal and dark rituals. Awaken in a cult of restless souls: spells spoken aloud summon powers - or doom. Alliances or deceit: can you distinguish truth when a word is a curse?

    2026ActionIndieSteam ↗
  8. Deep Dark Space

    WHY THIS

    Ranked #8 for Unfortunate Spacemen fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Unfortunate Spacemen.

    Deep Dark Space is a 4-player online co-op horror experience set in space. Explore abandoned stations, gather clues, and uncover the monster lurking in the dark. Trust no one — paranoia runs high as hidden betrayals threaten your survival.

    2025ActionIndie9.99 USDSteam ↗

Reviewers mention these as similar to Unfortunate Spacemen

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. Portal

    WHY THIS

    Shares a dark mood with Unfortunate Spacemen.

    Reviewers of Unfortunate Spacemen cross-mention this title as a similar play. Shares Action with Unfortunate Spacemen.

    Portal™ is a new single player game from Valve. Set in the mysterious Aperture Science Laboratories, Portal has been called one of the most innovative new games on the horizon and will offer gamers hours of unique gameplay.

    2007Action9.99 USDDeck VerifiedSteam ↗
  2. Space Station 51

    WHY THIS

    Reviewers of Unfortunate Spacemen cross-mention this title as a similar play. Shares Indie with Unfortunate Spacemen.

    You are a member of Space Station 51. When you wake up, you find that a zombie virus has broken out on the space station. You need to follow the command of the station master and take a series of actions.

    2021IndieAdventureRPG0.99 USDSteam ↗
  3. Prince of Persia: The Two Thrones™

    WHY THIS

    Shares an atmospheric mood with Unfortunate Spacemen.

    Reviewers of Unfortunate Spacemen cross-mention this title as a similar play. Shares Action with Unfortunate Spacemen.

    The Prince of Persia, a seasoned warrior, returns from the Island of Time to Babylon with his love, Kaileena. Instead of the peace that he longs for, he finds his homeland ravaged by war and the kingdom turned against him.

    2008ActionAdventure1.99 USDDeck PlayableSteam ↗
  4. Mafia

    WHY THIS

    Shares an atmospheric mood with Unfortunate Spacemen.

    Reviewers of Unfortunate Spacemen cross-mention this title as a similar play. Shares Action with Unfortunate Spacemen.

    It’s 1930. After an inadvertent brush with the mafia, cabdriver Tommy Angelo is reluctantly thrust into the world of organized crime. Initially, he is uneasy about falling in with the Salieri family, but soon the rewards become too big to ignore.

    2002ActionAdventure14.99 USDSteam ↗
  5. Murder

    WHY THIS

    Reviewers of Unfortunate Spacemen cross-mention this title as a similar play. Shares Indie with Unfortunate Spacemen.

    From the designer and artists behind "Stranded" comes a short story about the intersection of morality and sentience, in a cyberpunk future where both have become commodities.

    2015IndieAdventure0.49 USDSteam ↗
  6. Among Us

    WHY THIS

    Reviewers of Unfortunate Spacemen cross-mention this title as a similar play.

    An online and local party game of teamwork and betrayal for 4-15 players...in space!

    2018Casual4.99 USDDeck PlayableSteam ↗
  7. The Ship: Murder Party

    WHY THIS

    Shares a funny mood with Unfortunate Spacemen.

    Reviewers of Unfortunate Spacemen cross-mention this title as a similar play. Shares Action and Indie with Unfortunate Spacemen.

    The Ship is a murder mystery multiplayer.

    2006ActionIndieRPG9.99 USDDeck PlayableSteam ↗
  8. The Thing from Nowhere

    WHY THIS

    Reviewers of Unfortunate Spacemen cross-mention this title as a similar play. Shares Indie with Unfortunate Spacemen.

    Travel to a remote town in Alaska and uncover the truth behind reported sightings of a mythical creature from ancient Inuit folklore. A Choose Your Own Adventure mystery set in the 1950s, inspired by classic monster movies and Amiga's "It Came from the Desert".

    2023IndieAdventureCasual1.99 USDSteam ↗

Frequently asked about Unfortunate Spacemen

Is Unfortunate Spacemen free to play?
Yes — Unfortunate Spacemen is a free-to-play title on Steam. You can install and play it without buying anything, though some games include optional in-app purchases.
Does Unfortunate Spacemen have multiplayer or co-op?
Yes — Unfortunate Spacemen supports multi-player play according to its Steam store listing (Multi-player, Online PvP, Online Co-op).
What games are most similar to Unfortunate Spacemen?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Unfortunate Spacemen are Sincognito, Guillotine, Buried Whispers.
Who developed Unfortunate Spacemen?
Unfortunate Spacemen was developed by Geoff 'Zag' Keene, Deep Field Games and published by Deep Field Games, New Blood Interactive.

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 Unfortunate Spacemen.

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