IMHO.

Single-player games like NuTREEnts

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

Ranked picks

  1. 1
    Factorwave — Steam game cover

    Factorwave

    Single-player alternative to NuTREEnts — playable solo, no multiplayer required. Shares Indie and Simulation with NuTREEnts.

    Fast-paced factory builder with combat and territorial logistics. Automate production, unlock powerful Sector Hub bonuses, defend your infrastructure, and expand across a hostile planet.

    2026IndieSimulationSingle-playerSimilar games →
  2. 2
    Brews & Kings — Steam game cover

    Brews & Kings

    Single-player alternative to NuTREEnts — playable solo, no multiplayer required. Shares Strategy and Indie with NuTREEnts.

    A roguelike medieval city builder where your whole city feeds one sprawling brewing operation. Scout for rare ingredients and resources, raise the farms, mills, and workshops that keep it running, and supply the factions you want to win over. Kings rise or fall on the strength of your beer.

    StrategyIndieSimulationSingle-playerSimilar games →
  3. 3
    Defe — Steam game cover

    Defe

    Single-player alternative to NuTREEnts — playable solo, no multiplayer required. Shares Strategy and Indie with NuTREEnts.

    Tower Defense Roguelike with Action RPG elements, combining base building, real-time strategy, resource management, and intense top-down combat. Build by day. Defend by night. Explore and survive, if you can.

    2026StrategyIndieRPGSingle-playerSimilar games →
  4. 4
    Von Neumann Project — Steam game cover

    Von Neumann Project

    Single-player alternative to NuTREEnts — playable solo, no multiplayer required. Shares Simulation with NuTREEnts.

    Von Neumann Project is about a self replicating probe as it charts the galaxies, peacefully of course. Mine, build, expand, and explore in this sci-fi RTS. Remember to have as little impact on your surroundings as possible and protect yourself at all costs.

    2026SimulationSingle-playerSimilar games →
  5. 5
    OUTWORKS — Steam game cover

    OUTWORKS

    Single-player alternative to NuTREEnts — playable solo, no multiplayer required. Shares Strategy and Indie with NuTREEnts.

    Build a towering 3D fortress and hold the line. Stack floors, raise walls, and place turrets by altitude to survive escalating swarms of ground and flying machines closing on your core — then watch one collapsing tower take everything with it. A lean, neon, code-built base-defense roguelite.

    2026StrategyIndieSimulation4.24 USDSingle-playerSimilar games →
  6. 6
    Rise Under the Warstorm — Steam game cover

    Rise Under the Warstorm

    Single-player alternative to NuTREEnts — playable solo, no multiplayer required. Shares Strategy and Simulation with NuTREEnts.

    Rise Under the Warstorm is a strategy game focused on automation, production, and base defense. Gather resources, build automated production lines, optimize your economy, train armies, and protect your settlement against enemy waves.

    2026StrategySimulationSingle-playerSimilar games →
  7. 7
    Attrition Line — Steam game cover

    Attrition Line

    Single-player alternative to NuTREEnts — playable solo, no multiplayer required. Shares Strategy and Indie with NuTREEnts.

    A factory game about building an army. Mine, smelt, and manufacture soldiers on an assembly line, then send them to fight a swarm that grows every hour. The more you automate, the bigger your army. Fall behind and the line breaks.

    2027StrategyIndieSimulationSingle-playerSimilar games →
  8. 8
    Thveit — Steam game cover

    Thveit

    Single-player alternative to NuTREEnts — playable solo, no multiplayer required. Shares Strategy and Indie with NuTREEnts.

    Thveit is a cozy Norse settlement builder where changing seasons, ancient beliefs, and folklore creatures shape the fate of your settlements. Guide your settlers, manage resources, and grow a thriving community as humans and mythical beings learn to live side by side.

    StrategyIndieSimulationSingle-playerSimilar games →