IMHO.

Games like The Lost Key

You are the last hope, be ready to resist the enemy and eliminate injustice and tyranny.

2024ActionIndieAdventure6.99 USDWindowsby AmmashDev
The Lost Key header

Players who liked The Lost Key also play

Ranked by collaborative filtering across millions of Steam libraries plus content overlap on genres, tags, and developers.

  1. 1

    Ghost Song

    On the desolate moon of Lorian, a long-dormant Deadsuit awakens from slumber. Journey beneath the surface on an atmospheric 2D adventure of self-discovery, ancient mysteries, and cosmic terror. Explore winding caverns and acquire new abilities to unearth this alien world’s long-buried secrets.

    2022ActionIndieAdventure19.99 USDDeck VerifiedSteam ↗
  2. 2

    Somber Echoes

    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. 3

    DEVIATOR

    Deviator is a Metroidvania game centered around deflect, featuring exquisite 2D hand-drawn visuals. Exploring unknown wilderness and mysterious cities, delving into enigmatic realms of consciousness and encountering peculiar creatures. Try to find the truth behind this chaotic world.

    2024ActionIndieAdventure6.99 USDSteam ↗
  4. 4

    GRIME

    Destroy... Absorb... Grow... GRIME is a fast and unforgiving Action-Adventure RPG in which you crush your foes with living weapons that mutate form and function, and then consume their remains with a black hole to strengthen your vessel as you break apart a world of anatomical horror and intrigue.

    2021ActionIndieRPG24.99 USDDeck VerifiedSteam ↗
  5. 5

    Salt and Sacrifice

    Join your fellow Marked Inquisitors in this online coop successor to award-winning 2016 Soulslike Salt and Sanctuary.

    2023ActionRPG19.99 USDDeck VerifiedSteam ↗
  6. 6

    MIO: Memories in Orbit

    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 ↗
  7. 7

    Death's Gambit: Afterlife

    Death's Gambit: Afterlife is a challenging 2D action platformer with deep RPG elements. As an agent of Death bound to his service, unravel the mystery of Siradon and discover the true price of immortality.

    2018ActionIndieAdventure19.99 USDDeck VerifiedSteam ↗
  8. 8

    Minoria

    Ink and blood stain the streets of Ramezia. Witches must burn and sins must be judged. Venture forth as Sister Semilla to burn down the pillars of heresy in Minoria, an action-platformer by Bombservice, creators of Momodora.

    2019ActionIndieAdventure19.99 USDDeck VerifiedSteam ↗

Plays great on Steam Deck

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

  1. 1

    Ghost Song

    On the desolate moon of Lorian, a long-dormant Deadsuit awakens from slumber. Journey beneath the surface on an atmospheric 2D adventure of self-discovery, ancient mysteries, and cosmic terror. Explore winding caverns and acquire new abilities to unearth this alien world’s long-buried secrets.

    2022ActionIndieAdventure19.99 USDDeck VerifiedSteam ↗
  2. 2

    GRIME

    Destroy... Absorb... Grow... GRIME is a fast and unforgiving Action-Adventure RPG in which you crush your foes with living weapons that mutate form and function, and then consume their remains with a black hole to strengthen your vessel as you break apart a world of anatomical horror and intrigue.

    2021ActionIndieRPG24.99 USDDeck VerifiedSteam ↗
  3. 3

    Salt and Sacrifice

    Join your fellow Marked Inquisitors in this online coop successor to award-winning 2016 Soulslike Salt and Sanctuary.

    2023ActionRPG19.99 USDDeck VerifiedSteam ↗
  4. 4

    MIO: Memories in Orbit

    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. 5

    Death's Gambit: Afterlife

    Death's Gambit: Afterlife is a challenging 2D action platformer with deep RPG elements. As an agent of Death bound to his service, unravel the mystery of Siradon and discover the true price of immortality.

    2018ActionIndieAdventure19.99 USDDeck VerifiedSteam ↗
  6. 6

    Minoria

    Ink and blood stain the streets of Ramezia. Witches must burn and sins must be judged. Venture forth as Sister Semilla to burn down the pillars of heresy in Minoria, an action-platformer by Bombservice, creators of Momodora.

    2019ActionIndieAdventure19.99 USDDeck VerifiedSteam ↗

Frequently asked about The Lost Key

How much does The Lost Key cost?
The Lost Key is listed on Steam at 6.99 USD (current store price; Steam sales may reduce this temporarily).
What games are most similar to The Lost Key?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside The Lost Key are Ghost Song, Somber Echoes, DEVIATOR.
Who developed The Lost Key?
The Lost Key was developed by AmmashDev.

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 The Lost Key.

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

Games like The Lost Key — top similar games · imho.run