IMHO.

Single-player games like Assassin at Crimson Keep

Below are 8 single-player Steam games similar to Assassin at Crimson Keep, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.

Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Assassin at Crimson Keep page.

Ranked picks

  1. 1
    The Wanderer: Frankenstein’s Creature — Steam game cover

    The Wanderer: Frankenstein’s Creature

    Single-player alternative to Assassin at Crimson Keep — playable solo, no multiplayer required. Shares Indie and Adventure with Assassin at Crimson Keep.

    Experience the Myth of Frankenstein through the innocent eyes of his creature. Make decisions and change people's view that you will meet on your way. Now, the myth is in your hands, so how are you going to end it?

    2019IndieAdventureCasual15.99 USDSingle-playerSimilar games →
  2. 2
    Suzerain — Steam game cover

    Suzerain

    Single-player alternative to Assassin at Crimson Keep — playable solo, no multiplayer required. Shares Indie and Adventure with Assassin at Crimson Keep.

    Assume the role of President Anton Rayne and guide the nation of Sordland. Amidst brewing international conflicts, need for reform, deep-seated corruption, and economic recession, you must make the decisions in this political drama. How will you lead?

    2020IndieAdventureRPG19.99 USDDeck VerifiedSingle-playerSimilar games →
  3. 3
    Astronaut: The Best — Steam game cover

    Astronaut: The Best

    Single-player alternative to Assassin at Crimson Keep — playable solo, no multiplayer required. Shares Indie and Adventure with Assassin at Crimson Keep.

    Astronaut: The Best is an occult management adventure where people aren't just numbers: they're screwups. You must run a proper space academy using lies, witchcraft, and/or hard work. Guide cadets through a roguelite web of scandals and challenges, or the government will have you killed.

    2023StrategyIndieAdventure14.99 USDDeck VerifiedSingle-playerSimilar games →
  4. 4
    Basements n' Basilisks: Storms of Sorcery — Steam game cover

    Basements n' Basilisks: Storms of Sorcery

    Single-player alternative to Assassin at Crimson Keep — playable solo, no multiplayer required. Shares Adventure and Casual with Assassin at Crimson Keep.

    A visual novel paying satirical homage to the world’s greatest TTRPG. Make important choices, roll countless dice, build lasting relationships, explore magical lands and experience all the rest of the crap you expect from a fantasy game without the hassle of finding actual friends to play with!

    2023AdventureSimulationRPG2.99 USDDeck VerifiedSingle-playerSimilar games →
  5. 5
    Enelia: Dawn of Madness — Steam game cover

    Enelia: Dawn of Madness

    Single-player alternative to Assassin at Crimson Keep — playable solo, no multiplayer required. Shares Indie and Adventure with Assassin at Crimson Keep.

    Immerse yourself in the enigmatic world of Nauris, where enchanting landscapes hide terrifying secrets: the strange behavior of elders, sinister rituals of priests, and the disappearance of citizens. Madness lurks everywhere – will you master it or become its victim? The choice is yours.

    2024IndieAdventureRPG7.99 USDSingle-playerSimilar games →
  6. 6
    One Night Stand — Steam game cover

    One Night Stand

    Single-player alternative to Assassin at Crimson Keep — playable solo, no multiplayer required. Shares Indie and Adventure with Assassin at Crimson Keep.

    After a night of fun, passion, and one too many drinks, you wake up the next morning to find a complete stranger lying naked beside you in bed. What do you do?

    2016IndieAdventureSimulation2.99 USDSingle-playerSimilar games →
  7. 7
    I Wani Hug that Gator! — Steam game cover

    I Wani Hug that Gator!

    Single-player alternative to Assassin at Crimson Keep — playable solo, no multiplayer required. Shares Indie and Casual with Assassin at Crimson Keep.

    I Wani Hug that Gator! Is a choice-driven narrative about teenagers struggling to find their way. Help Inco, loser highschooler extraordinaire, navigate his budding friendships (and romance!) while surviving being the only human in a dinosaur-filled school.

    2024IndieCasual14.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    I Just Want to be Single!! Season One — Steam game cover

    I Just Want to be Single!! Season One

    Single-player alternative to Assassin at Crimson Keep — playable solo, no multiplayer required. Shares Indie and Adventure with Assassin at Crimson Keep.

    The anti-dating sim where you make friends instead of girlfriends! Balance between heartbreak and heartache! Will you graduate without a single friend? Or will you survive long enough to reject them all?

    2025IndieAdventureCasual14.99 USDSingle-playerSimilar games →