IMHO.

Single-player games like Orbital Upgrade

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

Ranked picks

  1. 1
    Pawn.OS() — Steam game cover

    Pawn.OS()

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

    Pawn.OS() is a programming puzzle game where you use a custom scripting language to control a pawn on a grid. Solve 30 puzzles, learn logic step-by-step, and optimize your code to climb the leaderboard—even without any prior coding experience.

    2025StrategyIndie2.99 USDSingle-playerSimilar games →
  2. 2
    Fractal Foundry — Steam game cover

    Fractal Foundry

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

    Automate fractal megastructures from simple cubes. Design nested factories that scale into recursive systems. Use conditions and loops to solve progressively challenging goals. No pressure, no costs, just pure creativity and automation.

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

    Anton

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

    Help a sentient robot escape an oppressive society through your abilities to hack and reprogram devices & automatons in the world

    ActionStrategyIndieSingle-playerSimilar games →
  4. 4
    Elegorithm — Steam game cover

    Elegorithm

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

    Hack and optimize inefficient elevators in Elegorithm, a Sci-Fi simulation. Connect nodes to build custom algorithms and route endless passenger waves. Clear strict wait time and power targets to upgrade your system. If floors overflow, your hack is detected—game over!

    StrategyIndieSimulationSingle-playerSimilar games →
  5. 5
    Programmer Dungeon Knightress — Steam game cover

    Programmer Dungeon Knightress

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

    Programmer Dungeon is a tactical game that challenges players to use logic programming to solve puzzles and progress through each level. Collect unique skills, use visual programming to automate your character, and defeat your enemies. Plan carefully and enjoy this exciting adventure!

    2022StrategyIndieSimulation7.99 USDSingle-playerSimilar games →
  6. 6
    Axon Hero — Steam game cover

    Axon Hero

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

    Axon Hero is more than just a puzzle game - it's a creative playground where logic meets imagination. Build, code, and conquer your way through many hand-crafted challenges, each one more mind-bending than the last.

    2024StrategyIndieSimulation11.99 USDSingle-playerSimilar games →
  7. 7
    Obrum — Steam game cover

    Obrum

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

    OBRUM is a strategic logical puzzle roguelite where you manage an unstable system, trigger devastating chain reactions, and fight to keep the board from collapsing. OBRUM rewards pattern recognition & long-term planning. You are not solving a puzzle, you are engineering outcomes.

    2026StrategyIndieCasualSingle-playerSimilar games →
  8. 8
    SpaceChem — Steam game cover

    SpaceChem

    Single-player alternative to Orbital Upgrade — playable solo, no multiplayer required. Shares Indie with Orbital Upgrade.

    Zachtronics is back with an ambitious new design-based puzzle game. Take on the role of a Reactor Engineer working for SpaceChem, the leading chemical synthesizer for frontier colonies. Construct elaborate factories to transform raw materials into valuable chemical products!

    2011IndieSimulation9.99 USDDeck PlayableSingle-playerSimilar games →