IMHO.

Games like I'm lost in space

If I'm lost in space is your kind of game, the closest matches are Intergalactic Defenders, Star Devil and Mach K9 — picked from the ranked list below. 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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About I'm lost in space: During a routine space expedition, astronaut Julia is thrown into a dangerous, unknown galaxy. Isolated, she faces hostile aliens and uncovers mysteries of lost civilizations, using all available resources to survive and find her way back to Earth and her children.

2025ActionIndieAdventure0.99 USDWindowsby RexBits
I'm lost in space — Steam game cover

Players who liked I'm lost in space also play

Steam players who put hours into I'm lost in space 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. Intergalactic Defenders

    WHY THIS

    Top pick for I'm lost in space fans by collaborative filtering across millions of Steam libraries. Shares Action and Adventure with I'm lost in space.

    Intergalactic Defenders is a retro pixel art space shooter with rogue-like progression, handcrafted levels, deep ship customization, and intense arcade combat. Defend humanity against an alien invasion across the galaxy.

    2025ActionAdventureSimulation3.99 USDSteam ↗
  2. Star Devil

    WHY THIS

    Second-strongest match for I'm lost in space fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with I'm lost in space.

    Star Devil is a Sci-fi Station Survival Roguelike Game with dynamic alien infection. Playable in both single player and split-screen co-op.

    2022ActionIndieAdventure2.99 USDSteam ↗
  3. Mach K9

    WHY THIS

    Third-strongest match for I'm lost in space fans by collaborative filtering across millions of Steam libraries. Shares Action with I'm lost in space.

    Physics roguelite. Smash aliens out of the arena to defeat them. Choose upgrades after each wave, and complete every wave to win. Unlock additional upgrades as you play.

    2024Action2.99 USDSteam ↗
  4. Achilles: Survivor

    WHY THIS

    Ranked #4 for I'm lost in space fans by collaborative filtering across millions of Steam libraries. Shares Action and Adventure with I'm lost in space.

    Thousands of enemies. One survivor. Fight like a demigod, build deadly defenses, and grow stronger after every run in this fast-paced bullet heaven set in mythic Greece.

    2025ActionAdventure6.99 USDDeck VerifiedSteam ↗
  5. Shoulders of Giants: Ultimate

    WHY THIS

    Ranked #5 for I'm lost in space fans by collaborative filtering across millions of Steam libraries. Shares Action with I'm lost in space.

    Simultaneously control a sword-wielding robot and a gunslinging space frog in Shoulders of Giants, an explosively colourful sci-fi roguelike. Play alone, with a friend, or as part of a four-person team, cutting through waves of enemies on a quest to rescue the galaxy from the forces of Entropy!

    2024ActionRPG19.99 USDDeck PlayableSteam ↗
  6. CRYPTARK

    WHY THIS

    Ranked #6 for I'm lost in space fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with I'm lost in space.

    Cryptark is a 2D sci-fi shooter where you take on the role of a heavily armed privateer seeking to earn government contracts by boarding deadly alien space-hulks. It's up to you to strategize a plan of attack, pick an equipment loadout, and destroy the central core to be victorious.

    2017ActionStrategyIndie14.99 USDDeck VerifiedSteam ↗
  7. Gatekeeper

    WHY THIS

    Ranked #7 for I'm lost in space fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with I'm lost in space.

    Gatekeeper is a fast-paced rogue-like. Go on a quest to chase down Chaos and reclaim the stolen Heart of Time, fighting your way through relentless enemy forces. Play solo or in 4-player co-op and become the next Gatekeeper!

    2025ActionIndieAdventure14.99 USDDeck VerifiedSteam ↗
  8. Heat Signature

    WHY THIS

    Ranked #8 for I'm lost in space fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with I'm lost in space.

    Heat Signature is a game from the developers of Gunpoint where you break into spaceships, make terrible mistakes, and think of clever ways out of them. You take a mission, fly to the target ship, sneak inside, and make clever use of your gadgets to distract, ambush and take out the crew.

    2017ActionStrategyIndie14.99 USDSteam ↗

Cheaper alternatives

Games in the same vein priced at least 40% below I'm lost in space at current Steam store prices.

  1. UBERMOSH

    WHY THIS

    Priced ~51% under I'm lost in space on Steam right now. Shares Action and Indie with I'm lost in space.

    UBERMOSH is an arcade game about cutting bullets with a sword, in a gun-filled cyberpunk mosh pit.

    2015ActionIndie0.49 USDDeck VerifiedSteam ↗
  2. Miss Neko

    WHY THIS

    Priced ~51% under I'm lost in space on Steam right now. Shares Action with I'm lost in space.

    Together the full picture of all the lovely beast ladies with your own hands, play Yakyuken with them, collect their portraits. Hope you have a relaxing and enjoyable game time:)

    2019ActionCasual0.49 USDDeck PlayableSteam ↗
  3. QUICKERFLAK

    WHY THIS

    Priced ~51% under I'm lost in space on Steam right now. Shares Action and Indie with I'm lost in space.

    QUICKERFLAK is an experimental fast-paced time-attack top-down combat retro-hardcore minigame, that can be finished in a minute.

    2022ActionIndieAdventure0.49 USDDeck VerifiedSteam ↗
  4. Save Jesus

    WHY THIS

    Priced ~51% under I'm lost in space on Steam right now. Shares Indie with I'm lost in space.

    Someone is trying to murder Jesus. Disguised as Caesar with the Roman Empire by his side, an evil impostor from the future has set hundreds of deadly traps. Redirect the traps, kill the Romans and protect Jesus!

    2016IndieCasual0.49 USDDeck PlayableSteam ↗
  5. Barro

    WHY THIS

    Priced ~51% under I'm lost in space on Steam right now. Shares Indie with I'm lost in space.

    Choose your little car and race!

    2018IndieCasualRacing0.49 USDDeck VerifiedSteam ↗
  6. Gachi Heroes

    WHY THIS

    Priced ~51% under I'm lost in space on Steam right now. Shares Action and Indie with I'm lost in space.

    Gachi Heroes is a game about the dark fantasies. That's amazing an endlass journey in which you will know yourself with your favorite gachimuchi characters. How deep would you go?

    2018ActionIndieAdventure0.49 USDDeck VerifiedSteam ↗
  7. Trip to Vinelands

    WHY THIS

    Priced ~51% under I'm lost in space on Steam right now. Shares Action and Indie with I'm lost in space.

    Trip to Vinelands is an arcade retro hardcore maze wanderer minigame.

    2016ActionIndie0.49 USDDeck VerifiedSteam ↗
  8. TTV2

    WHY THIS

    Priced ~51% under I'm lost in space on Steam right now. Shares Action and Indie with I'm lost in space.

    TTV2 is an arcade retro hardcore maze wanderer minigame, sequel to Trip to Vinelands.

    2017ActionIndie0.49 USDSteam ↗

Free alternatives

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

  1. Life is Strange - Episode 1

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Adventure with I'm lost in space.

    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 ↗
  2. Helltaker

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Adventure with I'm lost in space.

    Helltaker is a short game about sharply dressed demon girls.

    2020IndieAdventureFree To PlayFreeDeck PlayableSteam ↗
  3. Indigo Park: Chapter 1

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Indie with I'm lost in space.

    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 ↗
  4. Awaria

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Indie with I'm lost in space.

    Awaria is a short game about working in haunted maintenance tunnels.

    2024ActionIndieFree To PlayFreeDeck PlayableSteam ↗
  5. Grimm's Hollow

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Adventure with I'm lost in space.

    A spooky, freeware RPG where you search the afterlife for your brother. Reap ghosts with your scythe, explore haunted caves, and eat ghostly treats on your journey through death.

    2019IndieAdventureRPGFreeDeck PlayableSteam ↗
  6. The Expendabros

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Indie with I'm lost in space.

    The Expendabros have assembled and set their sights on the forces of ruthless arms dealer Conrad Stonebanks in the forests of Eastern Europe.

    2014ActionIndieAdventureFreeDeck VerifiedSteam ↗
  7. Iron Snout

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Indie with I'm lost in space.

    Iron Snout is a fast, colorful and brutal fighting game in which you will be helping a piglet fight for its life against hordes of wolves.

    2016ActionIndieFree To PlayFreeDeck PlayableSteam ↗
  8. UNBEATABLE [white label]

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Indie with I'm lost in space.

    A young girl learns a song. An exclusive side-story set in the world of D-CELL GAMES' upcoming rhythm-adventure.

    2021ActionIndieAdventureFreeDeck PlayableSteam ↗

Plays great on Steam Deck

Valve-Verified or Playable picks from the similar pool — ready to go on Deck out of the box.

  1. Achilles: Survivor

    WHY THIS

    Deck Verified — runs on Steam Deck out of the box. Shares Action and Adventure with I'm lost in space.

    Thousands of enemies. One survivor. Fight like a demigod, build deadly defenses, and grow stronger after every run in this fast-paced bullet heaven set in mythic Greece.

    2025ActionAdventure6.99 USDDeck VerifiedSteam ↗
  2. CRYPTARK

    WHY THIS

    Deck Verified — runs on Steam Deck out of the box. Shares Action and Indie with I'm lost in space.

    Cryptark is a 2D sci-fi shooter where you take on the role of a heavily armed privateer seeking to earn government contracts by boarding deadly alien space-hulks. It's up to you to strategize a plan of attack, pick an equipment loadout, and destroy the central core to be victorious.

    2017ActionStrategyIndie14.99 USDDeck VerifiedSteam ↗
  3. Gatekeeper

    WHY THIS

    Deck Verified — runs on Steam Deck out of the box. Shares Action and Indie with I'm lost in space.

    Gatekeeper is a fast-paced rogue-like. Go on a quest to chase down Chaos and reclaim the stolen Heart of Time, fighting your way through relentless enemy forces. Play solo or in 4-player co-op and become the next Gatekeeper!

    2025ActionIndieAdventure14.99 USDDeck VerifiedSteam ↗

Frequently asked about I'm lost in space

How much does I'm lost in space cost?
I'm lost in space is listed on Steam at 0.99 USD (current store price; Steam sales may reduce this temporarily).
What games are most similar to I'm lost in space?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside I'm lost in space are Intergalactic Defenders, Star Devil, Mach K9.
Who developed I'm lost in space?
I'm lost in space was developed by RexBits.

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 I'm lost in space.

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