IMHO.

Single-player games like Scrapnaut: Prologue

Below are 8 single-player Steam games similar to Scrapnaut: Prologue, 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 Scrapnaut: Prologue page.

Ranked picks

  1. 1
    Scrapnaut — Steam game cover

    Scrapnaut

    Single-player alternative to Scrapnaut: Prologue — playable solo, no multiplayer required. Shares Indie with Scrapnaut: Prologue.

    Scrapnaut is a co-op & singleplayer top-down, base building survival game with steampunk elements. Explore an open world with different biomes, take care of oxygen, manage your farms, generate electricity, build your home and much more!

    2021Indie13.99 USDDeck PlayableSingle-playerSimilar games →
  2. 2
    ARK: Survival Evolved — Steam game cover

    ARK: Survival Evolved

    Single-player alternative to Scrapnaut: Prologue — playable solo, no multiplayer required. Shares Indie and Adventure with Scrapnaut: Prologue.

    Stranded on the shores of a mysterious island, you must learn to survive. Use your cunning to kill or tame the primeval creatures roaming the land, and encounter other players to survive, dominate... and escape!

    2017ActionIndieAdventure14.99 USDDeck VerifiedSingle-playerSimilar games →
  3. 3
    Crashlands — Steam game cover

    Crashlands

    Single-player alternative to Scrapnaut: Prologue — playable solo, no multiplayer required. Shares Indie and Adventure with Scrapnaut: Prologue.

    Fight and tame alien beasts, craft resources into menacing weaponry, befriend the outlandish locals, and go toe-to-chin with a world-domineering maniac.

    2016ActionIndieAdventure14.99 USDDeck VerifiedSingle-playerSimilar games →
  4. 4
    Crashlands 2 — Steam game cover

    Crashlands 2

    Single-player alternative to Scrapnaut: Prologue — playable solo, no multiplayer required. Shares Indie and Adventure with Scrapnaut: Prologue.

    Slap your way across a vibrant world where interstellar friendships are the key to your survival. Befriend eccentric aliens, craft bizarre weaponry, and stick it to the man in this sequel to the award-winning Action RPG Crashlands.

    2025ActionIndieAdventure24.99 USDDeck VerifiedSingle-playerSimilar games →
  5. 5
    Satisfactory — Steam game cover

    Satisfactory

    Single-player alternative to Scrapnaut: Prologue — playable solo, no multiplayer required. Shares Indie and Adventure with Scrapnaut: Prologue.

    Satisfactory is a first-person open-world factory building game with a dash of exploration and combat. Play alone or with friends, explore an alien planet, create multi-story factories, and enter conveyor belt heaven!

    2024StrategyIndieAdventure39.99 USDDeck VerifiedSingle-playerSimilar games →
  6. 6
    Raft — Steam game cover

    Raft

    Single-player alternative to Scrapnaut: Prologue — playable solo, no multiplayer required. Shares Indie and Adventure with Scrapnaut: Prologue.

    Raft™ throws you and your friends into an epic oceanic adventure! Alone or together, players battle to survive a perilous voyage across a vast sea! Gather debris, scavenge reefs and build your own floating home, but be wary of the man-eating sharks!

    2022IndieAdventureSimulation19.99 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    Voidtrain — Steam game cover

    Voidtrain

    Single-player alternative to Scrapnaut: Prologue — playable solo, no multiplayer required. Shares Indie and Adventure with Scrapnaut: Prologue.

    Become a crew member of an Interdimensional Express Train! Discover a new world full of mysterious creatures, enemies and places. Upgrade and customize your train, gather new materials and build better weapons. Play solo or online сo-op with up to 4 people.

    2025ActionIndieAdventure29.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    Volcanoids — Steam game cover

    Volcanoids

    Single-player alternative to Scrapnaut: Prologue — playable solo, no multiplayer required. Shares Indie and Adventure with Scrapnaut: Prologue.

    A base-building open-world survival shooter that replaces your typical base with a giant drill. Alone or with friends, explore an island plagued by eruptions, upgrade your drill, and fight robots to uncover what's been hiding beneath the surface.

    2019ActionIndieAdventure19.99 USDDeck PlayableSingle-playerSimilar games →