IMHO.

Games like 9th Sentinel Sisters

The battle of the clone girls unfolds on a post-apocalyptic Earth, devastated by the alien life form known as "Bleed." Pilot the manned weapon "Father" to eliminate enemies. Upgrade weapons, create powerful builds, and strategize to successfully clear stages.

2025ActionIndieCasual7.99 USDDeck VerifiedWindowsby Live Wire
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Ranked by collaborative filtering across millions of Steam libraries plus content overlap on genres, tags, and developers.

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    UNDERZONE

    SEARCH - RESCUE - SURVIVE - Smash walls, shoot enemies, rescue survivors, upgrade your Mole Mech, and uncover a dark conspiracy within a 22nd century disaster zone. Underzone is a new twist on the 'roguelite' genre, featuring procedural enemies built out of unique combinations of components.

    2021ActionIndie19.99 USDSteam ↗
  2. 2

    Trinity Fusion

    Three fractured realities. One collapsing multiverse. Fast, fluid combat in a dark sci-fi Roguevania where each run begins in a separate universe — then lets you fuse your parallel selves, powers, and worlds to create brutal, ever-evolving builds.

    2023ActionIndieRPG19.99 USDDeck VerifiedSteam ↗
  3. 3

    NieR:Automata™

    NieR: Automata tells the story of androids 2B, 9S and A2 and their battle to reclaim the machine-driven dystopia overrun by powerful machines.

    2017ActionRPG15.99 USDDeck PlayableSteam ↗
  4. 4

    NeuroVoider

    NeuroVoider is a twin-stick shooter RPG set in a cyber futuristic world about brains shooting around evil robots with nuclear rocket launchers. Battle through the horde of vigilant robots, boost your character with the smoking remains of your victims, and defeat the master NeuroVoider.

    2016ActionIndieRPG13.99 USDSteam ↗
  5. 5

    Nuclear Throne

    Nuclear Throne is a post-apocalyptic roguelike-like top-down shooter. Not 'the final hope of humanity' post-apocalyptic, but 'humanity is extinct and mutants and monsters now roam the world' post-apocalyptic. Can you reach the Nuclear Throne?

    2015ActionIndieRPG11.99 USDDeck VerifiedSteam ↗
  6. 6

    Rogue Stormers

    An action packed platform shooter mashed-up with roguelike and RPG elements, crazy 3D graphics and co-op multiplayer for one to 4 players.

    2016ActionIndie19.99 USDDeck PlayableSteam ↗
  7. 7

    I See Red

    Matthew Taurus, after losing everything in a horrifying event, turned from honorable policeman into vengeful outlaw. Get ready to rage through dangerous spaceships in this frantic twin-stick shooter roguelite, where you must find your enemies and destroy them.

    2022ActionIndie9.99 USDSteam ↗
  8. 8

    Vanquish

    PlatinumGames’ revolutionary sci-fi action shooter slide-boosts onto PC. Battle legions of future-tech enemies using a vast arsenal of weapons, including all DLC. Fully unlocked framerate and gorgeous HD resolutions up to 4K. The definitive way to play: war has accelerated.

    2017Action5.99 USDDeck VerifiedSteam ↗

Reviewers mention these as similar to 9th Sentinel Sisters

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. 1

    NieR:Automata™

    NieR: Automata tells the story of androids 2B, 9S and A2 and their battle to reclaim the machine-driven dystopia overrun by powerful machines.

    2017ActionRPG15.99 USDDeck PlayableSteam ↗
  2. 2

    HOUND

    Create then experiment with your artificial intelligent life form in HOUND, an open-world simulation god game (kind of). Not a game in the traditional sense, HOUND is more like the science experiment that gives Elon Musk nightmares.

    2017IndieSimulationEarly AccessSteam ↗
  3. 3

    Vampire Survivors

    Mow down thousands of night creatures and survive until dawn! Vampire Survivors is a gothic horror casual game with rogue-lite elements, where your choices can allow you to quickly snowball against the hundreds of monsters that get thrown at you. Be the bullet hell!

    2022ActionIndieRPG4.99 USDDeck VerifiedSteam ↗

More from Live Wire

Other recommendable Steam games by Live Wire, ranked by review count so the studio's hits land first.

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    ENDER LILIES: Quietus of the Knights

    ENDER LILIES is a dark fantasy 2D action RPG about unraveling the mysteries of a destroyed kingdom. On this sorrowful journey, encounter horrific enemies against whom a moment of inattention could be fatal. Overcome these hardships and seek the truth with the help of fallen knights.

    2021ActionIndieRPG9.99 USDDeck VerifiedSteam ↗
  2. 2

    ENDER MAGNOLIA: Bloom in the Mist

    Decades after the events of ENDER LILIES, Homunculi — sorrowful, artificial life forms — roam the land. In this dark fantasy Metroidvania, face formidable enemies and explore a bewitching post-apocalyptic world. Humans and Homunculi — what awaits at the end of the quest for their salvation?

    2025ActionRPG13.74 USDDeck VerifiedSteam ↗
  3. 3

    Radiant Silvergun

    Set on the earth and in space on July 14, 2520 A.D., the film explores the mystery of mankind's extinction. Various terrains become battlefields. Enemies attack from all directions. There are 23 bosses in total. Aim for a high score by making full use of score bonuses and level-up weapons!

    2023Action19.99 USDSteam ↗

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

    Trinity Fusion

    Three fractured realities. One collapsing multiverse. Fast, fluid combat in a dark sci-fi Roguevania where each run begins in a separate universe — then lets you fuse your parallel selves, powers, and worlds to create brutal, ever-evolving builds.

    2023ActionIndieRPG19.99 USDDeck VerifiedSteam ↗
  2. 2

    Nuclear Throne

    Nuclear Throne is a post-apocalyptic roguelike-like top-down shooter. Not 'the final hope of humanity' post-apocalyptic, but 'humanity is extinct and mutants and monsters now roam the world' post-apocalyptic. Can you reach the Nuclear Throne?

    2015ActionIndieRPG11.99 USDDeck VerifiedSteam ↗
  3. 3

    Vanquish

    PlatinumGames’ revolutionary sci-fi action shooter slide-boosts onto PC. Battle legions of future-tech enemies using a vast arsenal of weapons, including all DLC. Fully unlocked framerate and gorgeous HD resolutions up to 4K. The definitive way to play: war has accelerated.

    2017Action5.99 USDDeck VerifiedSteam ↗

Frequently asked about 9th Sentinel Sisters

Is 9th Sentinel Sisters verified for Steam Deck?
Yes — 9th Sentinel Sisters is Steam Deck Verified, meaning Valve has confirmed it runs well on the Deck with full controller, text legibility, and default configuration support.
How much does 9th Sentinel Sisters cost?
9th Sentinel Sisters is listed on Steam at 7.99 USD (current store price; Steam sales may reduce this temporarily).
What games are most similar to 9th Sentinel Sisters?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside 9th Sentinel Sisters are UNDERZONE, Trinity Fusion, NieR:Automata™.
Who developed 9th Sentinel Sisters?
9th Sentinel Sisters was developed by Live Wire.

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 9th Sentinel Sisters.

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

Games like 9th Sentinel Sisters — top similar games · imho.run