IMHO.

Single-player games like Islands of Insight

Below are 14 single-player Steam games similar to Islands of Insight, 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 Islands of Insight page.

Ranked picks

  1. 1
    The Witness — Steam game cover

    The Witness

    Single-player alternative to Islands of Insight — playable solo, no multiplayer required. Shares Indie and Adventure with Islands of Insight.

    You wake up, alone, on a strange island full of puzzles that will challenge and surprise you.

    2016IndieAdventure39.99 USDDeck PlayableSingle-playerSimilar games →
  2. 2
    Door3:Insignia — Steam game cover

    Door3:Insignia

    Single-player alternative to Islands of Insight — playable solo, no multiplayer required. Shares Indie and Adventure with Islands of Insight.

    Symbols have never had such an impact on a person’s fate. Meet a new part of a fascinating mystical doors puzzle. This time you will have to face the ruins of the past, hiding the secret of a vanished civilization.

    2021IndieAdventure11.99 USDSingle-playerSimilar games →
  3. 3
    Cubic Enigma — Steam game cover

    Cubic Enigma

    Single-player alternative to Islands of Insight — playable solo, no multiplayer required. Shares Indie and Adventure with Islands of Insight.

    Immerse yourself in the fascinating ancient world of cube puzzles, where each step reveals a new mystery. You will explore different zones, each filled with unique puzzles that require the use of cubes to solve them.

    2024IndieAdventure8.99 USDSingle-playerSimilar games →
  4. 4
    The Talos Principle 2 — Steam game cover

    The Talos Principle 2

    Single-player alternative to Islands of Insight — playable solo, no multiplayer required. Shares Adventure with Islands of Insight.

    The Talos Principle 2 is a thought-provoking first-person puzzle experience that greatly expands on the first game's philosophical themes and stunning environments with increasingly mind-bending challenges.

    2023ActionAdventure29.99 USDDeck VerifiedSingle-playerSimilar games →
  5. 5
    The Artisan of Glimmith — Steam game cover

    The Artisan of Glimmith

    Single-player alternative to Islands of Insight — playable solo, no multiplayer required. Shares Indie with Islands of Insight.

    The Artisan of Glimmith is a cozy, relaxing puzzle game about coloring stained glass and restoring the artworks of a kingdom above the clouds. Explore a world of handcrafted puzzles designed with intent, where simple rules lead to delightful surprises.

    2026StrategyIndieCasual11.04 USDDeck VerifiedSingle-playerSimilar games →
  6. 6
    Monch! — Steam game cover

    Monch!

    Single-player alternative to Islands of Insight — playable solo, no multiplayer required. Shares Indie and Adventure with Islands of Insight.

    Absorb creatures to gain and upgrade abilities, relax as you explore a handcrafted world and help out it's inhabitants. Keep an eye out for trinkets and secrets as you investigate the strange power afflicting this place and it's denizens... What does it all mean?

    2025IndieAdventureCasual9.99 USDSingle-playerSimilar games →
  7. 7
    Skye's Repose — Steam game cover

    Skye's Repose

    Single-player alternative to Islands of Insight — playable solo, no multiplayer required. Shares Indie and Adventure with Islands of Insight.

    Open the Gate, bring hope to the lonely and hurting. Skye's Repose is a puzzle exploration game taking inspiration from Stardew Valley, Slime Rancher, and Myst.  Explore, farm mystic plants, befriend mages, and solve the mysteries of the Garden of Skye in this cozy game from a Christian developer.

    2026IndieAdventureSingle-playerSimilar games →
  8. 8
    Locked In Mind — Steam game cover

    Locked In Mind

    Single-player alternative to Islands of Insight — playable solo, no multiplayer required. Shares Indie and Adventure with Islands of Insight.

    In Locked in Mind, you are trapped in a virtual escape room full of puzzles. Use your wits to solve them at your own pace without the pressure of a time limit. Perfect for players of all skill levels. Start your adventure today!

    2024IndieAdventureCasual3.99 USDDeck PlayableSingle-playerSimilar games →
  9. 9
    Portal — Steam game cover

    Portal

    Single-player alternative to Islands of Insight — playable solo, no multiplayer required.

    Portal™ is a new single player game from Valve. Set in the mysterious Aperture Science Laboratories, Portal has been called one of the most innovative new games on the horizon and will offer gamers hours of unique gameplay.

    2007Action9.99 USDDeck VerifiedSingle-playerSimilar games →
  10. 10
    Sonic Generations Collection — Steam game cover

    Sonic Generations Collection

    Single-player alternative to Islands of Insight — playable solo, no multiplayer required.

    Celebrate 20 years of Sonic in an all new adventure that delivers a definitive experience to Sonic fans new and old!

    2011ActionDeck VerifiedSingle-playerSimilar games →
  11. 11
    The Elder Scrolls V: Skyrim — Steam game cover

    The Elder Scrolls V: Skyrim

    Single-player alternative to Islands of Insight — playable solo, no multiplayer required.

    EPIC FANTASY REBORN The next chapter in the highly anticipated Elder Scrolls saga arrives from the makers of the 2006 and 2008 Games of the Year, Bethesda Game Studios. Skyrim reimagines and revolutionizes the open-world fantasy epic, bringing to life a complete virtual world open for you to explore any way you choose.

    2011RPG19.99 USDDeck PlayableSingle-playerSimilar games →
  12. 12
    Stephen's Sausage Roll — Steam game cover

    Stephen's Sausage Roll

    Single-player alternative to Islands of Insight — playable solo, no multiplayer required. Shares Indie with Islands of Insight.

    A simple 3d puzzle game.

    2016Indie29.99 USDDeck PlayableSingle-playerSimilar games →
  13. 13
    Jelly Is Sticky — Steam game cover

    Jelly Is Sticky

    Single-player alternative to Islands of Insight — playable solo, no multiplayer required. Shares Indie with Islands of Insight.

    Explore a world of colorful jelly blocks that can be deformed and stuck together. Use them in surprising, unexpected ways to build clever contraptions and solve delightful puzzles.

    2022StrategyIndieCasual5.99 USDSingle-playerSimilar games →
  14. 14
    Prismata — Steam game cover

    Prismata

    Single-player alternative to Islands of Insight — playable solo, no multiplayer required. Shares Indie with Islands of Insight.

    A perfect-information strategy game inspired by RTS, deckbuilders, and board games. Choose from three distinct technology classes and outwit your foes by snowballing your starting resources into a powerful cybernetic army. ABSOLUTELY NO PAY-TO-WIN.

    2018StrategyIndieSimulationFreeDeck PlayableSingle-playerSimilar games →