IMHO.

Single-player games like 4 Kingdoms Supremacy

Below are 10 single-player Steam games similar to 4 Kingdoms Supremacy, 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 4 Kingdoms Supremacy page.

Ranked picks

  1. 1
    Horny Housewives 2 — Steam game cover

    Horny Housewives 2

    Single-player alternative to 4 Kingdoms Supremacy — playable solo, no multiplayer required. Shares Adventure and RPG with 4 Kingdoms Supremacy.

    Dive back into the tantalizing world of "Horny Housewives" with the highly anticipated sequel, "Horny Housewives 2." This immersive open world RPG builds upon the seductive allure of the original game while introducing groundbreaking features that will captivate both new and returning players.

    2024AdventureRPGCasual14.99 USDSingle-playerSimilar games →
  2. 2
    Indecent Desires — Steam game cover

    Indecent Desires

    Single-player alternative to 4 Kingdoms Supremacy — playable solo, no multiplayer required. Shares RPG and Casual with 4 Kingdoms Supremacy.

    “Indecent Desires” is a very adult +18 intrigue/drama interactive game in the mould of something like the TV-series “Dallas” or “Dynasty”, with a bit of “Beverly Hills 902010” thrown into the mix (“Indecent Desires” really does feel and look like the naughty +18 lewd version of those TV-series).

    2022RPGCasualEarly Access14.99 USDDeck PlayableSingle-playerSimilar games →
  3. 3
    Summer Clover — Steam game cover

    Summer Clover

    Single-player alternative to 4 Kingdoms Supremacy — playable solo, no multiplayer required. Shares Indie and Adventure with 4 Kingdoms Supremacy.

    Experience a summer like never before as you become a live-in housekeeper for three charming sisters (and your supportive supervisor).

    2024StrategyIndieAdventure17.99 USDDeck PlayableSingle-playerSimilar games →
  4. 4
    The Lust City — Steam game cover

    The Lust City

    Single-player alternative to 4 Kingdoms Supremacy — playable solo, no multiplayer required. Shares Indie and Adventure with 4 Kingdoms Supremacy.

    You’re a seasoned explorer on a mission with your expedition crew into the deep jungle. Find lost treasure, explore the ancient mysteries that surround the tribe and build your own harem in The Lust City!

    2023IndieAdventureRPG11.99 USDSingle-playerSimilar games →
  5. 5
    My Best Friend's Sister — Steam game cover

    My Best Friend's Sister

    Single-player alternative to 4 Kingdoms Supremacy — playable solo, no multiplayer required. Shares Adventure and RPG with 4 Kingdoms Supremacy.

    A night at your best friend’s house turns into a tempting choice between desire and restraint.

    2026AdventureSimulationRPG12.99 USDDeck PlayableSingle-playerSimilar games →
  6. 6
    Sandy Planet - Season 1 — Steam game cover

    Sandy Planet - Season 1

    Single-player alternative to 4 Kingdoms Supremacy — playable solo, no multiplayer required. Shares Indie and Adventure with 4 Kingdoms Supremacy.

    Step into the shoes of Ralph Afraidies and prove your worth. Can you navigate the treacherous paths of power and desire?

    2024IndieAdventureRPG9.99 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    FRESHMAN — Steam game cover

    FRESHMAN

    Single-player alternative to 4 Kingdoms Supremacy — playable solo, no multiplayer required. Shares Adventure and RPG with 4 Kingdoms Supremacy.

    FRESHMAN — an adult, choice-based visual novel that celebrates the best parts of life. Step into the shoes of a college freshman and experience all the pleasures of student life.

    2026AdventureSimulationRPG12.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    Tokyo Hotel — Steam game cover

    Tokyo Hotel

    Single-player alternative to 4 Kingdoms Supremacy — playable solo, no multiplayer required. Shares Adventure and RPG with 4 Kingdoms Supremacy.

    A young man’s erotic journey through Tokyo’s hidden pleasures

    2025AdventureSimulationRPG12.99 USDDeck PlayableSingle-playerSimilar games →
  9. 9
    Brooks in Wild West — Steam game cover

    Brooks in Wild West

    Single-player alternative to 4 Kingdoms Supremacy — playable solo, no multiplayer required. Shares Indie and Adventure with 4 Kingdoms Supremacy.

    You are a modern young adult about to start your second year at university when you are suddenly sent back in time to 1896 Goldfield County. You quickly learn that you will have to adapt or die, but luckily there are several beautiful girls willing to help you.

    2024IndieAdventureSimulation11.99 USDDeck PlayableSingle-playerSimilar games →
  10. 10
    Through the Lens — Steam game cover

    Through the Lens

    Single-player alternative to 4 Kingdoms Supremacy — playable solo, no multiplayer required. Shares Indie and RPG with 4 Kingdoms Supremacy.

    A visual novel where romance and mystery intertwine. Uncover the dark secrets of Mirage Corp in Paris while diving into a medieval legend hidden within an ancient book. The past and present are about to collide.

    2026IndieSimulationRPG11.99 USDSingle-playerSimilar games →