IMHO.

Games like Lunarium

If Lunarium is your kind of game, the closest matches are Weird RPG, Alaloth: Champions of The Four Kingdoms and No Place for Bravery — 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 Lunarium: Lunarium is an atmospheric fantasy A-RPG. Play as Ave, a light-armored knight, who teams up with Lune, a mysterious Starfarer. Together, they journey to save a dying world, engaging in challenging battles to retrieve the lost glow of the stars and forsaken memories, unveiling cosmic secrets.

2026ActionIndieAdventureRPGWindowsby 月相仪Lunarium
Lunarium — Steam game cover

Players who liked Lunarium also play

Steam players who put hours into Lunarium 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. Weird RPG

    WHY THIS

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

    "Weird RPG" is a highly difficult and fast-paced action RPG game focusing on boss battle,

    2022ActionAdventureRPG10.99 USDDeck VerifiedSteam ↗
  2. Alaloth: Champions of The Four Kingdoms

    WHY THIS

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

    A hardcore high fantasy isometric action RPG set in a huge sandbox world ruled by magic and monsters. Master deep skill-based combat, forge powerful builds, explore unforgiving lands and dungeons, face brutal boss fights, uncover ancient secrets, and save Plamen from its inevitable doom!

    2024ActionStrategyIndie34.99 USDDeck VerifiedSteam ↗
  3. No Place for Bravery

    WHY THIS

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

    Thorn, an old warrior worn down by decades of vim and violence, roams a world undone in search of his lost daughter. Dodge, parry & cleave your way out of brutal clashes in this 2D top-down action RPG, and discover the bone-chilling tale of Thorn's crusade to make his family whole again.

    2022ActionIndieAdventure19.99 USDSteam ↗
  4. Death's Door

    WHY THIS

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

    Reaping souls of the dead and punching a clock might get monotonous but it's honest work for a Crow. The job gets lively when your assigned soul is stolen and you must track down a desperate thief to a realm untouched by death - where creatures grow far past their expiry.

    2021ActionIndieAdventure19.99 USDDeck VerifiedSteam ↗
  5. Immortal Planet

    WHY THIS

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

    Immortal Planet is an action RPG with challenging combat that rewards patience and punishes recklessness. Explore the crumbling remains of a society of immortals trapped in endless cycles of rebirth. Fight your way to discover the planet's mystery and escape its curse.

    2017ActionIndieAdventure14.99 USDDeck VerifiedSteam ↗
  6. Last Epoch

    WHY THIS

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

    Uncover the Past, Reforge the Future. Ascend into one of 15 mastery classes and explore dangerous dungeons, hunt epic loot, craft legendary weapons, and wield the power of over a hundred transformative skill trees. Last Epoch is being developed by a team of passionate Action RPG enthusiasts.

    2024ActionIndieAdventure34.99 USDDeck VerifiedSteam ↗
  7. Retrace the Light

    WHY THIS

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

    Dive into the immersive world of Retrace the Light, a captivating 2.5D action-adventure game centered around the "Spatial Retracing" feature. Assume the role of an Enforcer working for a super AI in a futuristic world, exploring the depths of human consciousness and healing their emotional wounds.

    2025ActionIndieAdventure11.69 USDDeck PlayableSteam ↗
  8. Eldest Souls

    WHY THIS

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

    Fast-paced and brutally challenging, Eldest Souls is a unique Soulslike experience. In a final act of vengeance, the Old Gods have unleashed a great Desolation upon the world. Mankind's only hope lies with a lone warrior… and his greatsword of pure Obsydian.

    2021ActionIndieAdventure19.99 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. Shares Indie with Lunarium.

    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 Lunarium.

    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. Ultimate Custom Night

    WHY THIS

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

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

    2018ActionIndieFree To PlayFreeSteam ↗
  4. ENA: Dream BBQ

    WHY THIS

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

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

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

    WHY THIS

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

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

    2023IndieSimulationFree To PlayFreeDeck 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 Lunarium.

    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 Lunarium.

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

    2022IndieFreeDeck PlayableSteam ↗
  8. Sheepy: A Short Adventure

    WHY THIS

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

    A Short Handcrafted Pixel Art Platformer that follows Sheepy, an abandoned plushy brought to life. Sheepy: A Short Adventure is the first short game from MrSuicideSheep.

    2024IndieAdventureFree To PlayFreeDeck 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. Weird RPG

    WHY THIS

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

    "Weird RPG" is a highly difficult and fast-paced action RPG game focusing on boss battle,

    2022ActionAdventureRPG10.99 USDDeck VerifiedSteam ↗
  2. Alaloth: Champions of The Four Kingdoms

    WHY THIS

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

    A hardcore high fantasy isometric action RPG set in a huge sandbox world ruled by magic and monsters. Master deep skill-based combat, forge powerful builds, explore unforgiving lands and dungeons, face brutal boss fights, uncover ancient secrets, and save Plamen from its inevitable doom!

    2024ActionStrategyIndie34.99 USDDeck VerifiedSteam ↗
  3. Death's Door

    WHY THIS

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

    Reaping souls of the dead and punching a clock might get monotonous but it's honest work for a Crow. The job gets lively when your assigned soul is stolen and you must track down a desperate thief to a realm untouched by death - where creatures grow far past their expiry.

    2021ActionIndieAdventure19.99 USDDeck VerifiedSteam ↗
  4. Immortal Planet

    WHY THIS

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

    Immortal Planet is an action RPG with challenging combat that rewards patience and punishes recklessness. Explore the crumbling remains of a society of immortals trapped in endless cycles of rebirth. Fight your way to discover the planet's mystery and escape its curse.

    2017ActionIndieAdventure14.99 USDDeck VerifiedSteam ↗
  5. Last Epoch

    WHY THIS

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

    Uncover the Past, Reforge the Future. Ascend into one of 15 mastery classes and explore dangerous dungeons, hunt epic loot, craft legendary weapons, and wield the power of over a hundred transformative skill trees. Last Epoch is being developed by a team of passionate Action RPG enthusiasts.

    2024ActionIndieAdventure34.99 USDDeck VerifiedSteam ↗
  6. Eldest Souls

    WHY THIS

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

    Fast-paced and brutally challenging, Eldest Souls is a unique Soulslike experience. In a final act of vengeance, the Old Gods have unleashed a great Desolation upon the world. Mankind's only hope lies with a lone warrior… and his greatsword of pure Obsydian.

    2021ActionIndieAdventure19.99 USDDeck VerifiedSteam ↗

Frequently asked about Lunarium

What games are most similar to Lunarium?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Lunarium are Weird RPG, Alaloth: Champions of The Four Kingdoms, No Place for Bravery.
Who developed Lunarium?
Lunarium was developed by 月相仪Lunarium and published by 月相仪Lunarium, Imperfect Games.

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 Lunarium.

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