IMHO.

Single-player games like NuTREEnts

Below are 9 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
    Afterglow Fortress — Steam game cover

    Afterglow Fortress

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

    A cute hand-drawn 2D medieval RTS game. Gather resources, build your base, develop by day, and defend against monster hordes at night to protect your realm.

    StrategyIndieSimulationSingle-playerSimilar games →
  2. 2
    Von Neumann Project — Steam game cover

    Von Neumann Project

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

    Von Neumann Project is a space based RTS where you build, mine, and expand across the universe in an attempt to find your creator's equals. Play across 4 different sectors with 28 handcrafted missions, with each sector introducing unique enemies, buildings, and missions.

    2026StrategyIndieSimulationSingle-playerSimilar games →
  3. 3
    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 →
  4. 4
    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 →
  5. 5
    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 →
  6. 6
    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 →
  7. 7
    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.

    2027StrategySimulationSingle-playerSimilar games →
  8. 8
    Fab.exe — Steam game cover

    Fab.exe

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

    Turn an aging cleanroom into a thriving semiconductor fab. Follow every FOUP, break bottlenecks, protect yield and delivery, outthink rival factories, and grow from N28 to A10 across 32 handcrafted story missions.

    StrategyIndieSimulationSingle-playerSimilar games →
  9. 9
    PhotoLoop — Steam game cover

    PhotoLoop

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

    Boot up the world's oldest PC to take photo editing commissions from a colourful cast of virtual strangers. In PhotoLoop, the only thing stopping you is your imagination... and probably your entire editing interface.

    IndieSimulationCasualSingle-playerSimilar games →