IMHO.

Single-player games like The Outer Worlds

Below are 20 single-player Steam games similar to The Outer Worlds, 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 The Outer Worlds page.

Ranked picks

  1. 1
    The Outer Worlds 2 — Steam game cover

    The Outer Worlds 2

    Single-player alternative to The Outer Worlds — playable solo, no multiplayer required. Shares RPG with The Outer Worlds.

    The Outer Worlds 2 is the sequel to the award-winning first-person sci-fi RPG from Obsidian Entertainment.

    2025ActionAdventureRPG69.99 USDDeck VerifiedSingle-playerSimilar games →
  2. 2
    Starfield — Steam game cover

    Starfield

    Single-player alternative to The Outer Worlds — playable solo, no multiplayer required. Shares RPG with The Outer Worlds.

    Starfield is the first new universe in 25 years from Bethesda Game Studios, the award-winning creators of The Elder Scrolls V: Skyrim and Fallout 4.

    2023RPG49.99 USDSingle-playerSimilar games →
  3. 3
    Fallout 4 — Steam game cover

    Fallout 4

    Single-player alternative to The Outer Worlds — playable solo, no multiplayer required. Shares RPG with The Outer Worlds.

    From Bethesda Game Studios, the award-winning creators of Starfield and The Elder Scrolls V: Skyrim, comes Fallout 4. A landmark in open-world RPG design and winner of over 200 ‘Best Of’ honors, including the DICE and BAFTA Game of the Year.

    2015RPG19.99 USDDeck VerifiedSingle-playerSimilar games →
  4. 4
    Within the Cosmos — Steam game cover

    Within the Cosmos

    Single-player alternative to The Outer Worlds — playable solo, no multiplayer required. Shares RPG with The Outer Worlds.

    Within the Cosmos is a sci-fi RPG. After awakening in a secluded star system, you soon discover a fractured human society grappling with an emerging android threat. Explore planets, uncover mysteries, and navigate differing philosophies. Your choices will shape how the story unfolds.

    2025ActionIndieAdventure9.89 USDSingle-playerSimilar games →
  5. 5
    Humanity Lost — Steam game cover

    Humanity Lost

    Single-player alternative to The Outer Worlds — playable solo, no multiplayer required. Shares RPG with The Outer Worlds.

    Will you save humanity? You are on a mission to find a new planet for humans to inhabit. In this story driven FPS space opera you will explore open world planets, find weapons, upgrade your character, and befriend alien species.

    2021ActionAdventureRPG3.99 USDSingle-playerSimilar games →
  6. 6
    Mass Effect™ Legendary Edition — Steam game cover

    Mass Effect™ Legendary Edition

    Single-player alternative to The Outer Worlds — playable solo, no multiplayer required. Shares RPG with The Outer Worlds.

    The Mass Effect™ Legendary Edition includes single-player base content and over 40 DLC from the highly acclaimed Mass Effect, Mass Effect 2, and Mass Effect 3 games, including promo weapons, armors, and packs — remastered and optimized for 4K Ultra HD.

    2021ActionRPG14.99 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    Mass Effect™: Andromeda Deluxe Edition — Steam game cover

    Mass Effect™: Andromeda Deluxe Edition

    Single-player alternative to The Outer Worlds — playable solo, no multiplayer required. Shares RPG with The Outer Worlds.

    Return to the Mass Effect universe & lead the first humans in Andromeda on a desperate search for our new home.

    2020ActionRPG7.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    Fallout: New Vegas — Steam game cover

    Fallout: New Vegas

    Single-player alternative to The Outer Worlds — playable solo, no multiplayer required. Shares RPG with The Outer Worlds.

    Welcome to Vegas. New Vegas. Enjoy your stay!

    2010ActionRPG9.99 USDDeck PlayableSingle-playerSimilar games →
  9. 9
    Outer Wilds — Steam game cover

    Outer Wilds

    Single-player alternative to The Outer Worlds — playable solo, no multiplayer required.

    Named Game of the Year 2019 by Giant Bomb, Polygon, Eurogamer, and The Guardian, Outer Wilds is a critically-acclaimed and award-winning open world mystery about a solar system trapped in an endless time loop.

    2020ActionAdventure24.99 USDDeck VerifiedSingle-playerSimilar games →
  10. 10
    Mass Effect (2007) — Steam game cover

    Mass Effect (2007)

    Single-player alternative to The Outer Worlds — playable solo, no multiplayer required. Shares RPG with The Outer Worlds.

    As Commander Shepard, you lead an elite squad on a heroic, action-packed adventure throughout the galaxy.

    2008ActionRPG5.99 USDDeck PlayableSingle-playerSimilar games →
  11. 11
    STAR WARS™ Knights of the Old Republic™ II - The Sith Lords™ — Steam game cover

    STAR WARS™ Knights of the Old Republic™ II - The Sith Lords™

    Single-player alternative to The Outer Worlds — playable solo, no multiplayer required. Shares RPG with The Outer Worlds.

    5 years after the events of the award winning original, the Sith are on the verge of crushing the Old Republic. As a lone Jedi, will you follow the light side or succumb to the dark?

    2012RPG2.49 USDDeck PlayableSingle-playerSimilar games →
  12. 12
    STAR WARS™ Knights of the Old Republic™ — Steam game cover

    STAR WARS™ Knights of the Old Republic™

    Single-player alternative to The Outer Worlds — playable solo, no multiplayer required. Shares RPG with The Outer Worlds.

    It is four thousand years before the Galactic Empire and hundreds of Jedi Knights have fallen in battle against the ruthless Sith. You are the last hope of the Jedi Order. Can you master the awesome power of the Force on your quest to save the Republic? Or will you fall to the lure of the dark side?

    2009AdventureRPG2.49 USDDeck PlayableSingle-playerSimilar games →
  13. 13
    DARK SOULS™: REMASTERED — Steam game cover

    DARK SOULS™: REMASTERED

    Single-player alternative to The Outer Worlds — playable solo, no multiplayer required.

    Then, there was fire. Re-experience the critically acclaimed, genre-defining game that started it all. Beautifully remastered, return to Lordran in stunning high-definition detail running at 60fps.

    2018Action39.99 USDDeck PlayableSingle-playerSimilar games →
  14. 14
    The Elder Scrolls V: Skyrim — Steam game cover

    The Elder Scrolls V: Skyrim

    Single-player alternative to The Outer Worlds — playable solo, no multiplayer required. Shares RPG with The Outer Worlds.

    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 →
  15. 15
    Grounded — Steam game cover

    Grounded

    Single-player alternative to The Outer Worlds — playable solo, no multiplayer required.

    The world is a vast, beautiful and dangerous place – especially when you have been shrunk to the size of an ant. Can you thrive alongside the hordes of giant insects, fighting to survive the perils of the backyard?

    2022ActionAdventure39.99 USDDeck VerifiedSingle-playerSimilar games →
  16. 16
    South Park™: The Stick of Truth™ — Steam game cover

    South Park™: The Stick of Truth™

    Single-player alternative to The Outer Worlds — playable solo, no multiplayer required. Shares RPG with The Outer Worlds.

    From the perilous battlefields of the fourth-grade playground, a young hero will rise, destined to be South Park’s savior. From the creators of South Park, Trey Parker and Matt Stone, comes an epic quest to become… cool. Introducing South Park™: The Stick of Truth™.For a thousand years, the battle has been waged.

    2014ActionAdventureRPG29.99 USDDeck VerifiedSingle-playerSimilar games →
  17. 17
    Grounded 2 — Steam game cover

    Grounded 2

    Single-player alternative to The Outer Worlds — playable solo, no multiplayer required.

    Shrunk again, but the world is much larger. In this open-world, single-player or co-op survival adventure, craft weapons and armor, build your base, and traverse the playground on your buggy. But something else is out there—and it hasn’t forgotten you.

    2025ActionAdventureEarly Access29.99 USDDeck VerifiedSingle-playerSimilar games →
  18. 18
    Pillars of Eternity — Steam game cover

    Pillars of Eternity

    Single-player alternative to The Outer Worlds — playable solo, no multiplayer required. Shares RPG with The Outer Worlds.

    Prepare to be enchanted by a world where the choices you make and the paths you choose shape your destiny. Obsidian Entertainment, the developer of Fallout: New Vegas™ and South Park: The Stick of Truth™, together with Paradox Interactive is proud to present Pillars of Eternity.

    2015RPG39.99 USDDeck PlayableSingle-playerSimilar games →
  19. 19
    Pillars of Eternity II: Deadfire — Steam game cover

    Pillars of Eternity II: Deadfire

    Single-player alternative to The Outer Worlds — playable solo, no multiplayer required. Shares RPG with The Outer Worlds.

    Patch 5.0 - Turn-based mode and The Ultimate challenge out now! Pursue a rogue god over land and sea in the sequel to the multi-award-winning RPG Pillars of Eternity. Captain your ship on a dangerous voyage of discovery across the vast unexplored archipelago region of the Deadfire.

    2018RPG39.99 USDDeck PlayableSingle-playerSimilar games →
  20. 20
    Fallout: New Vegas — Steam game cover

    Fallout: New Vegas

    Single-player alternative to The Outer Worlds — playable solo, no multiplayer required. Shares RPG with The Outer Worlds.

    Welcome to Vegas. New Vegas. Enjoy your stay!

    2010ActionRPGSingle-playerSimilar games →