IMHO.

Single-player games like The Incident at Galley House

Below are 9 single-player Steam games similar to The Incident at Galley House, 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 The Incident at Galley House page.

Ranked picks

  1. 1
    Memory's Reach — Steam game cover

    Memory's Reach

    Single-player alternative to The Incident at Galley House — playable solo, no multiplayer required. Shares Adventure with The Incident at Galley House.

    Memory’s Reach is a first person puzzle based metroidvania. Explore a huge, interconnected world of labyrinthian megastructures filled with alluring mysteries. Solve challenging puzzles, acquire powerful abilities, and uncover forgotten lore as you seek to reveal the legacy of a doomed civilization.

    IndieAdventureSingle-playerSimilar games →
  2. 2
    Resonance: A Plague Tale Legacy — Steam game cover

    Resonance: A Plague Tale Legacy

    Single-player alternative to The Incident at Galley House — playable solo, no multiplayer required. Shares Adventure with The Incident at Galley House.

    Embark on an original story, prequel to the award-winning games: A Plague Tale. As Sophia, journey to the Minotaur’s Island, outsmart deadly foes, unravel ancient secrets, and confront a mythical creature at the heart of a devastating curse.

    2026ActionAdventure49.99 USDDeck PlayableSingle-playerSimilar games →
  3. 3
    Gamedec - Definitive Edition — Steam game cover

    Gamedec - Definitive Edition

    Single-player alternative to The Incident at Galley House — playable solo, no multiplayer required. Shares Adventure with The Incident at Galley House.

    Gamedec is a single-player cyberpunk isometric RPG. You are a game detective, who solves crimes inside virtual worlds. Use your wits to gather info from your witnesses and suspects, getting to the bottom of deceptive schemes. The game continually adapts to your decisions and never judges.

    2021IndieAdventureRPG8.99 USDDeck VerifiedSingle-playerSimilar games →
  4. 4
    Scarlet Hollow — Steam game cover

    Scarlet Hollow

    Single-player alternative to The Incident at Galley House — playable solo, no multiplayer required. Shares Adventure with The Incident at Galley House.

    Your aunt’s dead, your cousin hates you, and you’re stuck in the dead-end town of Scarlet Hollow. Choose your path through a branching narrative so dense that you'll see less than 1/5 of the game on a single playthrough. You won't be able to save everyone. Good luck, and welcome home.

    2021IndieAdventureRPG24.99 USDDeck VerifiedSingle-playerSimilar games →
  5. 5
    The Darkest Files — Steam game cover

    The Darkest Files

    Single-player alternative to The Incident at Galley House — playable solo, no multiplayer required. Shares Adventure with The Incident at Galley House.

    Germany, 1956. The war is over, but justice is not served. Former Nazis walk free, while their victims lie in unmarked graves. As a prosecutor, you'll unearth long-buried evidence, confront witnesses and hunt down perpetrators. Will you have the courage to bring these "ordinary men" to court?

    2025IndieAdventureSimulation19.99 USDDeck VerifiedSingle-playerSimilar games →
  6. 6
    Danganronpa 2: Goodbye Despair — Steam game cover

    Danganronpa 2: Goodbye Despair

    Single-player alternative to The Incident at Galley House — playable solo, no multiplayer required. Shares Adventure with The Incident at Galley House.

    Jabberwock Island—You and your classmates were ready for fun in the sun until Monokuma returned to restart his murderous game! Trapped in a kill-or-be-killed situation, your only hope rests in solving the island’s mysteries.

    2016Adventure9.99 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    Danganronpa: Trigger Happy Havoc — Steam game cover

    Danganronpa: Trigger Happy Havoc

    Single-player alternative to The Incident at Galley House — playable solo, no multiplayer required. Shares Adventure with The Incident at Galley House.

    Investigate murders, search for clues and talk to your classmates to prepare for trial. There, you'll engage in deadly wordplay, going back and forth with suspects. Dissect their statements and fire their words back at them to expose their lies! There's only one way to survive—pull the trigger.

    2016Adventure9.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    Mindcop — Steam game cover

    Mindcop

    Single-player alternative to The Incident at Galley House — playable solo, no multiplayer required. Shares Adventure with The Incident at Galley House.

    Mindcop is a non-linear „whodunnit“ detective game. It mixes a story driven adventure with real-time puzzle gaming. As the infamous Mindcop, you can dive into the minds of your suspects to uncover their secrets and unravel their lies.

    2024IndieAdventureCasual14.99 USDDeck VerifiedSingle-playerSimilar games →
  9. 9
    Cellar — Steam game cover

    Cellar

    Single-player alternative to The Incident at Galley House — playable solo, no multiplayer required. Shares Adventure with The Incident at Galley House.

    A story-focused game about six strangers stuck together for a month, and a machine that must be kept running.

    2022IndieAdventure5.99 USDSingle-playerSimilar games →