IMHO.

Games like Astronium

If Astronium is your kind of game, the closest matches are Coral & The Abyss, TUNIC and Tearscape — 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 Astronium: Astronium is a metroidvania with souls-like aspects, with a focus on combat and on getting weapons. Defeat strong enemies, survive ambushes, explore diferent biomes and meet interesting individuals on this hostile planet

2022ActionIndieAdventureRPG2.99 USDWindowsby LukeThePolice
Astronium — Steam game cover

Players who liked Astronium also play

Steam players who put hours into Astronium 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. Coral & The Abyss

    WHY THIS

    Top pick for Astronium fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Astronium.

    Explore a shattered, interconnected world filled with hidden secrets, challenging enemies, lost memories, and the eerie remnants of a failed mission.

    2025ActionIndieAdventure0.79 USDSteam ↗
  2. TUNIC

    WHY THIS

    Second-strongest match for Astronium fans by collaborative filtering across millions of Steam libraries. Shares Action and Adventure with Astronium.

    Explore a land filled with lost legends, ancient powers, and ferocious monsters in TUNIC, an isometric action game about a small fox on a big adventure.

    2022ActionAdventureRPG29.99 USDDeck VerifiedSteam ↗
  3. Tearscape

    WHY THIS

    Third-strongest match for Astronium fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Astronium.

    As a hunter, you explore a dark, interconnected world filled with dungeons, relying on precise combat to survive. Battle grotesque monsters, expand your arsenal, and uncover hidden paths in a non-linear, pixel art journey.

    2026ActionIndieAdventure14.99 USDDeck VerifiedSteam ↗
  4. Blasphemous 2

    WHY THIS

    Ranked #4 for Astronium fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Astronium.

    The Penitent One awakens as Blasphemous 2 joins him once again in an endless struggle against The Miracle. Dive into a perilous new world filled with mysteries and secrets to discover, and tear your way through monstrous foes that stand between you and your quest to end the cycle once and for all. 

    2023ActionIndieAdventure29.99 USDDeck VerifiedSteam ↗
  5. MIO: Memories in Orbit

    WHY THIS

    Ranked #5 for Astronium fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Astronium.

    Play as android MIO in this mesmerizing metroidvania where you explore the Vessel, an enormous technological ark overgrown with machines gone rogue. Uncover its secrets, enhance MIO's abilities, and save the spaceship and its residents from oblivion.

    2026ActionIndieAdventure19.99 USDDeck VerifiedSteam ↗
  6. Tombwater

    WHY THIS

    Ranked #6 for Astronium fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Astronium.

    A Souls-Like Western full of Eldritch horrors. Explore the accursed Wild West town of Tombwater and lay bare the darkness that lies beneath. Survive blood-spilling combat in this gruesome 2D action-RPG that may just drive you to madness.

    2026ActionIndieAdventure24.99 USDDeck VerifiedSteam ↗
  7. Momodora: Reverie Under The Moonlight

    WHY THIS

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

    Momodora: Reverie Under The Moonlight is the fourth installment in the beloved Momodora series of 2D platformers. Unleash ravaging combos against a variety of formidable monsters and deftly dodge your way through a cursed land to seek audience with the Queen and dispel the evil that threatens all life.

    2016ActionIndieAdventure9.99 USDDeck PlayableSteam ↗
  8. Souldiers

    WHY THIS

    Ranked #8 for Astronium fans by collaborative filtering across millions of Steam libraries. Shares Action and Adventure with Astronium.

    Fight for your freedom in a sprawling fantasy world caught between the living and the fallen. Hone your skills in a retro epic featuring puzzle platforming, metroidvania exploration and crunchy soulslike combat.

    2022ActionAdventure19.99 USDDeck VerifiedSteam ↗

Cheaper alternatives

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

  1. POSTAL 2

    WHY THIS

    Priced ~67% under Astronium on Steam right now. Shares Action and Indie with Astronium.

    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 ↗
  2. Milk inside a bag of milk inside a bag of milk

    WHY THIS

    Priced ~50% under Astronium on Steam right now. Shares Indie and Adventure with Astronium.

    A short story about what sort of challenges everyday little things can be. Help the girl buy milk, be the first not to disappoint her.

    2020IndieAdventure1.49 USDDeck PlayableSteam ↗
  3. Blood and Bacon

    WHY THIS

    Priced ~67% under Astronium on Steam right now. Shares Action and Adventure with Astronium.

    This Co-op Shooter , has Day and Night levels, multiple maps, players will take on 25 enemy types and numerous bosses, like Gargantuan Monsters and Minibosses every 10 days as you explore, shoot and run for your life against the onslaught of porcine monstrosities.

    2016ActionAdventureCasual0.99 USDSteam ↗
  4. shapez

    WHY THIS

    Priced ~67% under Astronium on Steam right now. Shares Indie with Astronium.

    shapez is an easy-going, minimalistic factory building game about the automation of shapes through extraction and satisfying production lines. Adapt to increasingly complex shapes and grow your factory across an infinitely expanding map. Your only limitation is your creativity!

    2020StrategyIndieSimulation0.99 USDDeck PlayableSteam ↗
  5. Shower With Your Dad Simulator 2015: Do You Still Shower With Your Dad

    WHY THIS

    Priced ~67% under Astronium on Steam right now. Shares Action and Indie with Astronium.

    "Shower With Your Dad Simulator 2015: Do You Still Shower With Your Dad?" is a fast paced shower-simulation where you shower with your 8-bit dad.It's good, clean fun!

    2015ActionIndieSimulation0.99 USDDeck VerifiedSteam ↗
  6. Montaro

    WHY THIS

    Priced ~67% under Astronium on Steam right now. Shares Indie with Astronium.

    Montaro is a DOGE.

    2016IndieCasual0.99 USDDeck PlayableSteam ↗
  7. Bit Blaster XL

    WHY THIS

    Priced ~67% under Astronium on Steam right now. Shares Action and Indie with Astronium.

    Bit Blaster XL is a fast-paced, retro arcade shoot 'em up (shmup) inspired by the classic quarter-munchers of the ‘80s. Easy to pick up, hard to put down, boost, dodge, shoot, and chase high scores in this addictive, old-school action game!

    2016ActionIndieCasual0.99 USDDeck VerifiedSteam ↗
  8. Dictators:No Peace Countryballs

    WHY THIS

    Priced ~67% under Astronium on Steam right now. Shares Indie with Astronium.

    Dictators : No Peace Countryballs is a war simulation and dictator game. This is a fun,simple and some say a funny countryballs game. If you like simulation games, you will love playing Dictators : No Peace. Play as a dictator of your favourite country and colonize the world.

    2020StrategyIndieSimulation0.99 USDSteam ↗

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. Shares Indie with Astronium.

    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 Action and Adventure with Astronium.

    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 Indie and Adventure with Astronium.

    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. Shares Action and Indie with Astronium.

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

    2018ActionIndieFree To PlayFreeSteam ↗
  5. Bongo Cat

    WHY THIS

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

    Bongo cat needs your help. Bongo cat needz more hatz!!! Every time you press a key, Bongo cat will punch your taskbar. Type, click, play, work to collect more points. Which hats will you find?

    2025IndieSimulationMassively MultiplayerFreeDeck PlayableSteam ↗
  6. 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 Astronium.

    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 ↗
  7. The Looker

    WHY THIS

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

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

    2022IndieFreeDeck PlayableSteam ↗
  8. NGU IDLE

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Adventure with Astronium.

    NGU Idle is a Free To Play Idle game that's full of weird humor, tons of upgrades and hundreds of hours of content! Try out NGU Idle today and experience the joy of Numbers Going Up!

    2019IndieAdventureSimulationFreeDeck 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. TUNIC

    WHY THIS

    Deck Verified — runs on Steam Deck out of the box. Shares Action and Adventure with Astronium.

    Explore a land filled with lost legends, ancient powers, and ferocious monsters in TUNIC, an isometric action game about a small fox on a big adventure.

    2022ActionAdventureRPG29.99 USDDeck VerifiedSteam ↗
  2. Tearscape

    WHY THIS

    Deck Verified — runs on Steam Deck out of the box. Shares Action and Indie with Astronium.

    As a hunter, you explore a dark, interconnected world filled with dungeons, relying on precise combat to survive. Battle grotesque monsters, expand your arsenal, and uncover hidden paths in a non-linear, pixel art journey.

    2026ActionIndieAdventure14.99 USDDeck VerifiedSteam ↗
  3. Blasphemous 2

    WHY THIS

    Deck Verified — runs on Steam Deck out of the box. Shares Action and Indie with Astronium.

    The Penitent One awakens as Blasphemous 2 joins him once again in an endless struggle against The Miracle. Dive into a perilous new world filled with mysteries and secrets to discover, and tear your way through monstrous foes that stand between you and your quest to end the cycle once and for all. 

    2023ActionIndieAdventure29.99 USDDeck VerifiedSteam ↗
  4. MIO: Memories in Orbit

    WHY THIS

    Deck Verified — runs on Steam Deck out of the box. Shares Action and Indie with Astronium.

    Play as android MIO in this mesmerizing metroidvania where you explore the Vessel, an enormous technological ark overgrown with machines gone rogue. Uncover its secrets, enhance MIO's abilities, and save the spaceship and its residents from oblivion.

    2026ActionIndieAdventure19.99 USDDeck VerifiedSteam ↗
  5. Tombwater

    WHY THIS

    Deck Verified — runs on Steam Deck out of the box. Shares Action and Indie with Astronium.

    A Souls-Like Western full of Eldritch horrors. Explore the accursed Wild West town of Tombwater and lay bare the darkness that lies beneath. Survive blood-spilling combat in this gruesome 2D action-RPG that may just drive you to madness.

    2026ActionIndieAdventure24.99 USDDeck VerifiedSteam ↗
  6. Souldiers

    WHY THIS

    Deck Verified — runs on Steam Deck out of the box. Shares Action and Adventure with Astronium.

    Fight for your freedom in a sprawling fantasy world caught between the living and the fallen. Hone your skills in a retro epic featuring puzzle platforming, metroidvania exploration and crunchy soulslike combat.

    2022ActionAdventure19.99 USDDeck VerifiedSteam ↗

Frequently asked about Astronium

Does Astronium work on Steam Deck?
Astronium is currently rated Unsupported on Steam Deck. It may not launch or may have significant issues that block normal play.
How much does Astronium cost?
Astronium is listed on Steam at 2.99 USD (current store price; Steam sales may reduce this temporarily).
What games are most similar to Astronium?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Astronium are Coral & The Abyss, TUNIC, Tearscape.
Who developed Astronium?
Astronium was developed by LukeThePolice and published by The Council.

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 Astronium.

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