IMHO.

Single-player games like Robot Island

Below are 8 single-player Steam games similar to Robot 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 Robot Island page.

Ranked picks

  1. 1
    Sentience: The Android's Tale — Steam game cover

    Sentience: The Android's Tale

    Single-player alternative to Robot Island — playable solo, no multiplayer required. Shares Indie with Robot Island.

    You can remember nothing before this moment. Your existence begins with a keystroke followed by the flick of a switch. Electrical power streams into your neural network, and you are alive.

    2017IndieAdventure4.99 USDSingle-playerSimilar games →
  2. 2
    A.R.E.S.: Extinction Agenda — Steam game cover

    A.R.E.S.: Extinction Agenda

    Single-player alternative to Robot Island — playable solo, no multiplayer required. Shares Indie with Robot Island.

    You are the ultimate weapon with an ultimate sidekick – Collect secret items and get power ups to become the perfect weapon.

    2011ActionIndie4.99 USDSingle-playerSimilar games →
  3. 3
    Astebreed: Definitive Edition — Steam game cover

    Astebreed: Definitive Edition

    Single-player alternative to Robot Island — playable solo, no multiplayer required. Shares Indie with Robot Island.

    Climb into the cockpit of an otherworldly war machine and fly into battle against a horrifying alien race bent on eradicating humanity to preserve their own civilization.

    2014ActionIndie19.99 USDDeck VerifiedSingle-playerSimilar games →
  4. 4
    Monolith — Steam game cover

    Monolith

    Single-player alternative to Robot Island — playable solo, no multiplayer required. Shares Indie with Robot Island.

    A classical science fiction point and click adventure which takes you into a deep story and murky atmosphere, while solving logical puzzles. Accompany Tessa Carter and her talking robot as she finds out about herself and searches for a way to survive.

    2023IndieAdventure14.99 USDDeck VerifiedSingle-playerSimilar games →
  5. 5
    The Turing Test — Steam game cover

    The Turing Test

    Single-player alternative to Robot Island — playable solo, no multiplayer required.

    The Turing Test is a challenging first-person puzzle game set on Jupiter’s moon, Europa. You are Ava Turing, an engineer for the International Space Agency (ISA) sent to discover the cause behind the disappearance of the ground crew stationed there.

    2016Adventure24.99 USDDeck PlayableSingle-playerSimilar games →
  6. 6
    Subsurface Circular — Steam game cover

    Subsurface Circular

    Single-player alternative to Robot Island — playable solo, no multiplayer required. Shares Indie with Robot Island.

    When the truth is buried, go underground. Step into this new take on text-based adventure from the award-winning team behind Thomas Was Alone and Volume. A short story that hands you the fate of the world above, as a detective looking for answers on the Subsurface Circular.

    2017IndieAdventureCasual2.99 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    Strike Suit Zero — Steam game cover

    Strike Suit Zero

    Single-player alternative to Robot Island — playable solo, no multiplayer required. Shares Indie with Robot Island.

    Pilot the mecha Strike Suit across massive fleet battles where your dogfighting skills decide Earth's fate. Fast, frantic space combat with capital ship destruction, multiple endings, and a universe that's anything but empty. This is space combat reborn.

    2013ActionIndieSimulation19.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    Angels with Scaly Wings™ / 鱗羽の天使 — Steam game cover

    Angels with Scaly Wings™ / 鱗羽の天使

    Single-player alternative to Robot Island — playable solo, no multiplayer required. Shares Indie with Robot Island.

    You, the player, are an ambassador for Earth sent through a mysterious portal into the world of dragons. Explore a town full of secrets and the people who keep them in this compelling sci-fi visual novel with slice of life and dating sim elements.

    2017IndieAdventureSimulation9.99 USDSingle-playerSimilar games →