IMHO.

Single-player games like Strange island

Below are 8 single-player Steam games similar to Strange island, 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 Strange island page.

Ranked picks

  1. 1
    It's Always Happy at Chubby's — Steam game cover

    It's Always Happy at Chubby's

    Single-player alternative to Strange island — playable solo, no multiplayer required. Shares Action and Indie with Strange island.

    Welcome to the night shift at Chubby’s, a 24/7 burger joint in the 90s. It's in the middle of nowhere, so you'll be mostly entirely alone. Just keep the store clean and occasionally serve the drive-thru counter. But whatever you do... always follow the rules.

    ActionIndieAdventureSingle-playerSimilar games →
  2. 2
    What Happened to Lily? — Steam game cover

    What Happened to Lily?

    Single-player alternative to Strange island — playable solo, no multiplayer required. Shares Indie and Adventure with Strange island.

    What Happened to Lily? Is a real-time first-person horror game. Discover the secrets and spooky truths behind the mysterious event at Miller Farm.

    2025IndieAdventureCasual3.99 USDSingle-playerSimilar games →
  3. 3
    Where the Walls Breathe — Steam game cover

    Where the Walls Breathe

    Single-player alternative to Strange island — playable solo, no multiplayer required. Shares Action and Adventure with Strange island.

    Where the Walls Breathe is a first-person psychological horror experience with a strong focus on atmosphere and environmental storytelling.

    2025ActionAdventureSimulation3.99 USDSingle-playerSimilar games →
  4. 4
    The Call Button — Steam game cover

    The Call Button

    Single-player alternative to Strange island — playable solo, no multiplayer required. Shares Indie and Adventure with Strange island.

    A short horror observation thriller. Could you tell what's real and what isn't? You stole intel from your company. Now you wake up in a hospital every day with two choices: take your medication if something looks wrong, or hit the call button if you're sure the room is safe.

    2026IndieAdventureSingle-playerSimilar games →
  5. 5
    System Says Normal — Steam game cover

    System Says Normal

    Single-player alternative to Strange island — playable solo, no multiplayer required. Shares Indie and Adventure with Strange island.

    You were hired to watch. Not to ask questions. Night shift. Corporate building. Cameras, reports, anomalies. Your predecessor left no final report. Now you're going to find out why. Please proceed.

    2026IndieAdventureSingle-playerSimilar games →
  6. 6
    Saintless — Steam game cover

    Saintless

    Single-player alternative to Strange island — playable solo, no multiplayer required. Shares Action and Indie with Strange island.

    Explore the halls of the underground cult of The Open Hand. Experience the test rooms setup for your initiation in this psychological horror exploration game. Never forget....they are always watching.

    2026ActionIndieAdventureSingle-playerSimilar games →
  7. 7
    iBLiS — Steam game cover

    iBLiS

    Single-player alternative to Strange island — playable solo, no multiplayer required. Shares Action and Indie with Strange island.

    Demon is a first-person psychological horror game. How much can a game affect your real life? Enjoy a realistic home environment and terrifying moments of being immersed in a real-life story.

    2021ActionIndieAdventure9.99 USDSingle-playerSimilar games →
  8. 8
    Backrooms: Lost Tape — Steam game cover

    Backrooms: Lost Tape

    Single-player alternative to Strange island — playable solo, no multiplayer required. Shares Action and Indie with Strange island.

    You work in the cinema as an usher and accidentally fell into the Backrooms, now being trapped, needing to unravel the mysteries of the yellow rooms in order to get out of this place, but be careful, there are entities that will be in your way.

    2022ActionIndieAdventure10.99 USDDeck PlayableSingle-playerSimilar games →