IMHO.

Single-player games like Arthur & Susan: Almost Detectives

Below are 9 single-player Steam games similar to Arthur & Susan: Almost Detectives, 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 Arthur & Susan: Almost Detectives page.

Ranked picks

  1. 1
    Frog Detective 1: The Haunted Island — Steam game cover

    Frog Detective 1: The Haunted Island

    Single-player alternative to Arthur & Susan: Almost Detectives — playable solo, no multiplayer required. Shares Indie and Adventure with Arthur & Susan: Almost Detectives.

    You're a detective, and a frog, and it's time to solve a mystery.

    2018IndieAdventureCasual4.99 USDDeck VerifiedSingle-playerSimilar games →
  2. 2
    Frog Detective 2: The Case of the Invisible Wizard — Steam game cover

    Frog Detective 2: The Case of the Invisible Wizard

    Single-player alternative to Arthur & Susan: Almost Detectives — playable solo, no multiplayer required. Shares Indie and Adventure with Arthur & Susan: Almost Detectives.

    You're a detective, and a frog, and it's time to solve a mystery. Also there's a wizard.

    2019IndieAdventureCasual4.99 USDDeck VerifiedSingle-playerSimilar games →
  3. 3
    Expelled! — Steam game cover

    Expelled!

    Single-player alternative to Arthur & Susan: Almost Detectives — playable solo, no multiplayer required. Shares Indie and Adventure with Arthur & Susan: Almost Detectives.

    A School Prefect has been pushed out of a window, and everyone's blaming YOU. Can you find the culprit - or someone to take the fall - before you get EXPELLED? Mystery with a wicked twist, from the creators of Overboard!, 80 Days, Heaven's Vault and A Highland Song.

    2025IndieAdventureRPG14.99 USDDeck VerifiedSingle-playerSimilar games →
  4. 4
    Murder by Numbers — Steam game cover

    Murder by Numbers

    Single-player alternative to Arthur & Susan: Almost Detectives — playable solo, no multiplayer required. Shares Indie and Adventure with Arthur & Susan: Almost Detectives.

    Solve Pixel Puzzles to find clues. Use those clues to interrogate witnesses. Work your way to the truth... ...and uncover the mystery of Murder by Numbers!

    2020IndieAdventure14.99 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 Arthur & Susan: Almost Detectives — playable solo, no multiplayer required. Shares Indie and Adventure with Arthur & Susan: Almost Detectives.

    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
    Mutropolis — Steam game cover

    Mutropolis

    Single-player alternative to Arthur & Susan: Almost Detectives — playable solo, no multiplayer required. Shares Indie and Adventure with Arthur & Susan: Almost Detectives.

    MUTROPOLIS is a lovely sci-fi adventure set on the abandoned Planet Earth. Play as Henry Dijon (hero, nerd, detective) in search of a legendary lost city. Uncover weird ancient artifacts. And PLEASE don’t get obliterated by an ageless evil. You’ve been warned.

    2021IndieAdventureCasual19.99 USDDeck VerifiedSingle-playerSimilar games →
  7. 7
    Blake: The Visual Novel — Steam game cover

    Blake: The Visual Novel

    Single-player alternative to Arthur & Susan: Almost Detectives — playable solo, no multiplayer required. Shares Indie and Casual with Arthur & Susan: Almost Detectives.

    Graphic Novel meets Visual Novel in this story-rich, choice-driven thriller. Experience Blake’s journey as he encounters a clandestine nemesis, sparking a series of events that force him to choose between losing his sanity or rising to the challenge. Make the right decisions and save New Stone.

    2021IndieCasualFreeSingle-playerSimilar games →
  8. 8
    The Low Road — Steam game cover

    The Low Road

    Single-player alternative to Arthur & Susan: Almost Detectives — playable solo, no multiplayer required. Shares Indie and Adventure with Arthur & Susan: Almost Detectives.

    Lie, blackmail, and steal your way down The Low Road. Rookie agent Noomi Kovacs must navigate her way through the world of corporate espionage in this dark spy comedy set in the 1970s.

    2017IndieAdventureCasual14.99 USDSingle-playerSimilar games →
  9. 9
    The Darkside Detective — Steam game cover

    The Darkside Detective

    Single-player alternative to Arthur & Susan: Almost Detectives — playable solo, no multiplayer required. Shares Indie and Adventure with Arthur & Susan: Almost Detectives.

    Grab your trench coat, tune your sixth sense and join the Darkside Division as they investigate the outright bizarre, the downright dangerous and the confusing cases of Twin Lakes. Flesh-hungry tentacles, mafian zombies, and the occasional missing sock are no match for The Darkside Detective.

    2017IndieAdventureCasual14.99 USDDeck VerifiedSingle-playerSimilar games →