IMHO.

Single-player games like Ecocoru : Euclidean Constructions -- Compass & Ruler

Below are 8 single-player Steam games similar to Ecocoru : Euclidean Constructions -- Compass & Ruler, 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 Ecocoru : Euclidean Constructions -- Compass & Ruler page.

Ranked picks

  1. 1
    Mineral Craft 2 — Steam game cover

    Mineral Craft 2

    Single-player alternative to Ecocoru : Euclidean Constructions -- Compass & Ruler — playable solo, no multiplayer required. Shares Simulation with Ecocoru : Euclidean Constructions -- Compass & Ruler.

    If you've ever been fascinated by minerals or admired the beauty of crystals... turn your curiosity into knowledge, and your knowledge into profit. Experiment with elements and minerals, fine-tune parameters to get higher-quality minerals, expand your collection, and build your mineral business.

    SimulationSingle-playerSimilar games →
  2. 2
    IT MOVES! - Build Your Own Robot — Steam game cover

    IT MOVES! - Build Your Own Robot

    Single-player alternative to Ecocoru : Euclidean Constructions -- Compass & Ruler — playable solo, no multiplayer required. Shares Indie and Simulation with Ecocoru : Euclidean Constructions -- Compass & Ruler.

    Build working robots by wiring visual signal graphs, then watch, diagnose, and tune them in deterministic simulations. Grow a repair shop from its first piston to PID control, autonomous navigation, robot arms, and a walking humanoid.

    2026StrategyIndieSimulationSingle-playerSimilar games →
  3. 3
    Unknot! — Steam game cover

    Unknot!

    Single-player alternative to Ecocoru : Euclidean Constructions -- Compass & Ruler — playable solo, no multiplayer required. Shares Indie and Simulation with Ecocoru : Euclidean Constructions -- Compass & Ruler.

    Unknot! is a physics-simulation puzzle game where you unknot knots with simple controls, based on knot theory. Blending art, puzzles, and math, it delivers a unique experience—whether you’re a casual player or a hardcore puzzle enthusiast.

    2025IndieSimulationCasual4.99 USDSingle-playerSimilar games →
  4. 4
    Matter Scatter — Steam game cover

    Matter Scatter

    Single-player alternative to Ecocoru : Euclidean Constructions -- Compass & Ruler — playable solo, no multiplayer required. Shares Indie with Ecocoru : Euclidean Constructions -- Compass & Ruler.

    From a Quark to a Planet. Survive and evolve with the universe. Grow through Nucleosynthesis, Stellar Fusion, and Supernovae. You are matter itself.

    ActionIndieSingle-playerSimilar games →
  5. 5
    Physician Simulator — Steam game cover

    Physician Simulator

    Single-player alternative to Ecocoru : Euclidean Constructions -- Compass & Ruler — playable solo, no multiplayer required. Shares Indie and Simulation with Ecocoru : Euclidean Constructions -- Compass & Ruler.

    A district physician simulator. See patients, review lab results, make diagnoses and write prescriptions. Real doctors say they recognize themselves. Every decision has consequences.

    IndieSimulationRPGSingle-playerSimilar games →
  6. 6
    Pythagoria — Steam game cover

    Pythagoria

    Single-player alternative to Ecocoru : Euclidean Constructions -- Compass & Ruler — playable solo, no multiplayer required. Shares Indie with Ecocoru : Euclidean Constructions -- Compass & Ruler.

    Pythagoria is a brain-teasing number puzzle game.

    2016IndieCasual1.99 USDSingle-playerSimilar games →
  7. 7
    Laser Attraction — Steam game cover

    Laser Attraction

    Single-player alternative to Ecocoru : Euclidean Constructions -- Compass & Ruler — playable solo, no multiplayer required. Shares Indie and Simulation with Ecocoru : Euclidean Constructions -- Compass & Ruler.

    Play with lasers and solve puzzles in Laser Attraction. Use reflection, refraction, dispersion and filtration to direct the laser beams, mix and separate colours, open doors, hit targets and complete puzzles.

    2021IndieSimulationCasual9.99 USDSingle-playerSimilar games →
  8. 8
    OCTOPTICOM — Steam game cover

    OCTOPTICOM

    Single-player alternative to Ecocoru : Euclidean Constructions -- Compass & Ruler — playable solo, no multiplayer required. Shares Indie and Simulation with Ecocoru : Euclidean Constructions -- Compass & Ruler.

    OCTOPTICOM is an open-ended puzzle programming game about designing and optimizing optical computing devices. Use lasers, mirrors, filters and other components to read, transform and write sequences of colored squares.

    2018IndieSimulation9.99 USDSingle-playerSimilar games →