IMHO.

Single-player games like CITADEL

Below are 8 single-player Steam games similar to CITADEL, 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 CITADEL page.

Ranked picks

  1. 1
    After the Wane — Steam game cover

    After the Wane

    Single-player alternative to CITADEL — playable solo, no multiplayer required. Shares Indie with CITADEL.

    Retracing the footsteps of a mother she never knew, Lena's trying to make it as a dancer in the city. Caught in a quarrel between dance companies, dealing with love and heartbreak and the challenges of young adulthood, she must also cope with the voice in her head commenting on everything she does.

    2026IndieSingle-playerSimilar games →
  2. 2
    BLACKMURK: Shuffling Man — Steam game cover

    BLACKMURK: Shuffling Man

    Single-player alternative to CITADEL — playable solo, no multiplayer required. Shares Indie and Adventure with CITADEL.

    Fear is real. Sometimes tragedy needs nothing more than that. 💀 A short visual novel based on the story of the same name — about the silence that lets something shuffling into your home. 👁️👁️

    2026IndieAdventureSingle-playerSimilar games →
  3. 3
    Roadwarden — Steam game cover

    Roadwarden

    Single-player alternative to CITADEL — playable solo, no multiplayer required. Shares Indie and Adventure with CITADEL.

    Roadwarden is an illustrated text-based RPG that uses isometric pixel art and combines mechanics borrowed from RPGs, Visual Novels, adventure games and interactive fiction.

    2022IndieAdventureRPG10.99 USDDeck PlayableSingle-playerSimilar games →
  4. 4
    Lacuna – A Sci-Fi Noir Adventure — Steam game cover

    Lacuna – A Sci-Fi Noir Adventure

    Single-player alternative to CITADEL — playable solo, no multiplayer required. Shares Indie and Adventure with CITADEL.

    A murder. A hack. A bombing. All it takes to plunge the solar system into war – unless you do something about it. Help CDI agent Neil Conrad make a string of increasingly difficult decisions in this modern dialog-driven adventure set in a gorgeous 2D sci-fi noir universe.

    2021IndieAdventure15.99 USDDeck VerifiedSingle-playerSimilar games →
  5. 5
    The Darkside Detective: A Fumble in the Dark — Steam game cover

    The Darkside Detective: A Fumble in the Dark

    Single-player alternative to CITADEL — playable solo, no multiplayer required. Shares Indie and Adventure with CITADEL.

    Delouse your room with sage and pack up your travel-sized ouija board, it’s time to re-enter Twin Lakes - America’s 34th most haunted city. Join Detective McQueen as he puzzles his way through 9 chilling cases, risking life and pixelated limb to solve the macabre mysteries that plague the poor town.

    2021IndieAdventureCasual14.99 USDDeck VerifiedSingle-playerSimilar games →
  6. 6
    Suzerain — Steam game cover

    Suzerain

    Single-player alternative to CITADEL — playable solo, no multiplayer required. Shares Indie and Adventure with CITADEL.

    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 →
  7. 7
    Coffee Talk — Steam game cover

    Coffee Talk

    Single-player alternative to CITADEL — playable solo, no multiplayer required. Shares Indie and Adventure with CITADEL.

    Coffee Talk is a coffee brewing and heart-to-heart talking simulator about listening to fantasy-inspired modern peoples’ problems, and helping them by serving up a warm drink or two.

    2020IndieAdventureCasual12.99 USDDeck VerifiedSingle-playerSimilar games →
  8. 8
    Subsurface Circular — Steam game cover

    Subsurface Circular

    Single-player alternative to CITADEL — playable solo, no multiplayer required. Shares Indie and Adventure with CITADEL.

    When the truth is buried, go underground. Step into this new take on text-based adventure from the award-winning team behind Thomas Was Alone and Volume. A short story that hands you the fate of the world above, as a detective looking for answers on the Subsurface Circular.

    2017IndieAdventureCasual2.99 USDDeck PlayableSingle-playerSimilar games →