IMHO.

Single-player games like Marry a Deep One: Innsmouth Simulator

Below are 9 single-player Steam games similar to Marry a Deep One: Innsmouth Simulator, 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 Marry a Deep One: Innsmouth Simulator page.

Ranked picks

  1. 1
    Judge SIM — Steam game cover

    Judge SIM

    Single-player alternative to Marry a Deep One: Innsmouth Simulator — playable solo, no multiplayer required. Shares Adventure and Simulation with Marry a Deep One: Innsmouth Simulator.

    Step into the role of a judge and decide the fate of every case. Listen to witnesses, examine evidence, uncover contradictions, and deliver verdicts that will change lives. Every decision matters in this tense courtroom simulation full of twists.

    2026StrategyAdventureSimulation7.99 USDSingle-playerSimilar games →
  2. 2
    Her Jentle Hi-ness — Steam game cover

    Her Jentle Hi-ness

    Single-player alternative to Marry a Deep One: Innsmouth Simulator — playable solo, no multiplayer required. Shares Simulation with Marry a Deep One: Innsmouth Simulator.

    A fast-paced visual novel game where you must survive the whims of a mad queen, with a unique combination of classic art scenes and cartoon people

    2022StrategyIndieSimulation14.99 USDSingle-playerSimilar games →
  3. 3
    Dead Gods Realm: Morar — Steam game cover

    Dead Gods Realm: Morar

    Single-player alternative to Marry a Deep One: Innsmouth Simulator — playable solo, no multiplayer required. Shares Adventure with Marry a Deep One: Innsmouth Simulator.

    Narrative RPG, inspired by works of H.P. Lovecraft, celtic myths, rapiers and gunpowder. World awaits the Arrival of unknown creatures. It needs a hero who would stop the menace. Or not... He may even join them. Only you shall decide who would Morar become.

    IndieAdventureRPGSingle-playerSimilar games →
  4. 4
    Scarlet Hollow — Steam game cover

    Scarlet Hollow

    Single-player alternative to Marry a Deep One: Innsmouth Simulator — playable solo, no multiplayer required. Shares Adventure with Marry a Deep One: Innsmouth Simulator.

    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
    Politics The Game — Steam game cover

    Politics The Game

    Single-player alternative to Marry a Deep One: Innsmouth Simulator — playable solo, no multiplayer required. Shares Adventure and Simulation with Marry a Deep One: Innsmouth Simulator.

    Become a parliamentarian, create a powerful party, and lead it to victory in this humorous adventure game. Manage your popularity and dignity, use unique powers, and navigate a storyline inspired by current events.

    2025StrategyAdventureSimulation9.99 USDDeck VerifiedSingle-playerSimilar games →
  6. 6
    Booth: A Dystopian Adventure — Steam game cover

    Booth: A Dystopian Adventure

    Single-player alternative to Marry a Deep One: Innsmouth Simulator — playable solo, no multiplayer required. Shares Adventure and Simulation with Marry a Deep One: Innsmouth Simulator.

    The year is 2036. In this famine-riddled world, food-centric sovereignty has been established. Living alone inside a food-inspection booth, you are striving to find truth and peace beyond the borderline.

    2020IndieAdventureSimulation9.99 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    Cabin Fever — Steam game cover

    Cabin Fever

    Single-player alternative to Marry a Deep One: Innsmouth Simulator — playable solo, no multiplayer required. Shares Adventure and Simulation with Marry a Deep One: Innsmouth Simulator.

    An off-grid cabin. A tech-savvy loner. One ray of sunshine in a bleak, ruined world. Cabin Fever is a slice-of-life visual novel with meaningful player choices, multiple endings to explore, and a story that will touch your heart.

    2021IndieAdventureSimulation9.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    The Horrorscope: Fatal Awakening — Steam game cover

    The Horrorscope: Fatal Awakening

    Single-player alternative to Marry a Deep One: Innsmouth Simulator — playable solo, no multiplayer required. Shares Simulation with Marry a Deep One: Innsmouth Simulator.

    You will answer a series of questions that will reveal your potential fate. These questions may make you uncomfortable, but with great knowledge comes great sacrifice. Can you make it all the way through The Horrorscope, and if you do, are you sure you want the answers you seek?

    2020SimulationRPGCasual1.99 USDSingle-playerSimilar games →
  9. 9
    Souls Inferno — Steam game cover

    Souls Inferno

    Single-player alternative to Marry a Deep One: Innsmouth Simulator — playable solo, no multiplayer required. Shares Adventure with Marry a Deep One: Innsmouth Simulator.

    A minimalist souls-like with turn-based combat. Enter a cursed realm, defeat demonic knights, collect souls, and shape your build as you uncover a deeply interconnected world.

    2026IndieAdventureRPGSingle-playerSimilar games →