IMHO.

Single-player games like Cthulhu Mythos ADV The Isle Of Ubohoth

Below are 11 single-player Steam games similar to Cthulhu Mythos ADV The Isle Of Ubohoth, 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 Cthulhu Mythos ADV The Isle Of Ubohoth page.

Ranked picks

  1. 1
    Seul (Alone): The entrée — Steam game cover

    Seul (Alone): The entrée

    Single-player alternative to Cthulhu Mythos ADV The Isle Of Ubohoth — playable solo, no multiplayer required. Shares Indie and Adventure with Cthulhu Mythos ADV The Isle Of Ubohoth.

    Seul. (Alone) is a text based choose your own adventure and philosophical thriller with horror elements. A subsistence where characters dwell. There are mysteries to solve and connections to unfold. Journey through here but remember you may not stay. Can you save Peggy?

    2018IndieAdventureRPG2.99 USDSingle-playerSimilar games →
  2. 2
    Cthulhu Mythos ADV Lunatic Whispers — Steam game cover

    Cthulhu Mythos ADV Lunatic Whispers

    Single-player alternative to Cthulhu Mythos ADV The Isle Of Ubohoth — playable solo, no multiplayer required. Shares Indie and Adventure with Cthulhu Mythos ADV The Isle Of Ubohoth.

    Immerse yourself in the captivating world of the Cthulhu Mythos with this 2D visual novel game featuring a thrilling TRPG-based experience! Roll the dice and use your skills and luck to escape the abandoned hospital, while experiencing the cosmic terror.

    2022IndieAdventureRPG9.99 USDDeck VerifiedSingle-playerSimilar games →
  3. 3
    The Innsmouth Case — Steam game cover

    The Innsmouth Case

    Single-player alternative to Cthulhu Mythos ADV The Isle Of Ubohoth — playable solo, no multiplayer required. Shares Indie and Adventure with Cthulhu Mythos ADV The Isle Of Ubohoth.

    The Innsmouth Case is a text adventure game inspired by H.P. Lovecraft and the very first text-based adventure to combine horror and comedy in a fit and proper way.

    2020IndieAdventure12.49 USDSingle-playerSimilar games →
  4. 4
    Arcadia Fallen — Steam game cover

    Arcadia Fallen

    Single-player alternative to Cthulhu Mythos ADV The Isle Of Ubohoth — playable solo, no multiplayer required. Shares Indie and Adventure with Cthulhu Mythos ADV The Isle Of Ubohoth.

    Play the role of a young alchemist apprentice who is unwillingly bound to an illegal spirit. Suddenly drawn into a war between humanity and magic, they must join a group of unlikely heroes to escape their own doom, hopefully saving the world along the way.

    2021IndieAdventureSimulation24.99 USDDeck VerifiedSingle-playerSimilar games →
  5. 5
    Omen Exitio: Plague — Steam game cover

    Omen Exitio: Plague

    Single-player alternative to Cthulhu Mythos ADV The Isle Of Ubohoth — playable solo, no multiplayer required. Shares Indie and Adventure with Cthulhu Mythos ADV The Isle Of Ubohoth.

    Investigate a paranormal disease that threatens to eradicate humanity in this unsettling Lovecraftian adventure, inspired by the choose-your-own-adventure gamebooks of the 80s and 90s. Your choices will determine the story, your character’s destiny… and the future of humanity.

    2018IndieAdventureCasual9.99 USDSingle-playerSimilar games →
  6. 6
    Scarlet Hollow — Steam game cover

    Scarlet Hollow

    Single-player alternative to Cthulhu Mythos ADV The Isle Of Ubohoth — playable solo, no multiplayer required. Shares Indie and Adventure with Cthulhu Mythos ADV The Isle Of Ubohoth.

    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 →
  7. 7
    Roadwarden — Steam game cover

    Roadwarden

    Single-player alternative to Cthulhu Mythos ADV The Isle Of Ubohoth — playable solo, no multiplayer required. Shares Indie and Adventure with Cthulhu Mythos ADV The Isle Of Ubohoth.

    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 →
  8. 8
    ASYLUM — Steam game cover

    ASYLUM

    Single-player alternative to Cthulhu Mythos ADV The Isle Of Ubohoth — playable solo, no multiplayer required. Shares Indie and Adventure with Cthulhu Mythos ADV The Isle Of Ubohoth.

    An epic supernatural horror adventure and the spiritual successor to cult classic Scratches set in a massive, decaying mental institute. Inspired by H. P. Lovecraft, Hammer Films and twisted Euro Horror from the 80s.

    2025IndieAdventure24.99 USDDeck VerifiedSingle-playerSimilar games →
  9. 9
    RPG Maker XP — Steam game cover

    RPG Maker XP

    Single-player alternative to Cthulhu Mythos ADV The Isle Of Ubohoth — playable solo, no multiplayer required. Shares RPG with Cthulhu Mythos ADV The Isle Of Ubohoth.

    RPG MAKER lets you create an original role-playing game without any prior specialized knowledge or training. RPG MAKER XP is full of the functions you've been asking for, including game data encryption and a scripting feature that lets you change the very heart of the RPG MAKER engine.

    2013RPGDesign & IllustrationEducation24.99 USDSingle-playerSimilar games →
  10. 10
    The Aquarium does not dance Special Edition — Steam game cover

    The Aquarium does not dance Special Edition

    Single-player alternative to Cthulhu Mythos ADV The Isle Of Ubohoth — playable solo, no multiplayer required. Shares Indie and Adventure with Cthulhu Mythos ADV The Isle Of Ubohoth.

    Navigate your way through an aquarium overrun by gruesome creatures known as creepies and unravel its hidden mysteries. With each riddle you solve, you’ll find yourself one step closer to uncovering the chilling truth of Bianca Aquarium. Your choices affect the outcome of the game, so choose wisely.

    2025IndieAdventureRPG19.99 USDDeck PlayableSingle-playerSimilar games →
  11. 11
    The Witch & The 66 Mushrooms — Steam game cover

    The Witch & The 66 Mushrooms

    Single-player alternative to Cthulhu Mythos ADV The Isle Of Ubohoth — playable solo, no multiplayer required.

    An all-new Metroidvania-style game developed using Pixel Game Maker MV! Make use of a variety of weapons as you traverse sprawling stages on a mission to take back your brother's body from the witch who stole it!

    2020Action6.99 USDSingle-playerSimilar games →