IMHO.

Single-player games like Oceanopolis 2000

Below are 11 single-player Steam games similar to Oceanopolis 2000, 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 Oceanopolis 2000 page.

Ranked picks

  1. 1
    Incremental Orbits — Steam game cover

    Incremental Orbits

    Single-player alternative to Oceanopolis 2000 — playable solo, no multiplayer required. Shares Strategy and Indie with Oceanopolis 2000.

    A short and relaxing incremental game about discovering and exploring the planets of our solar system

    StrategyIndieSimulationSingle-playerSimilar games →
  2. 2
    Founders Legacy — Steam game cover

    Founders Legacy

    Single-player alternative to Oceanopolis 2000 — playable solo, no multiplayer required. Shares Strategy and Indie with Oceanopolis 2000.

    A relaxing idle-colony builder that sits at the bottom of your screen while you do other things,Design Your Ultimate colony.

    StrategyIndieSimulationSingle-playerSimilar games →
  3. 3
    Casino Resort Tower — Steam game cover

    Casino Resort Tower

    Single-player alternative to Oceanopolis 2000 — playable solo, no multiplayer required. Shares Strategy and Simulation with Oceanopolis 2000.

    Build a towering casino resort and watch it come alive. Crowds flow, elevators jam, and tiny decisions create big stories as your tower grows upward, floor by floor. Build it. Break it. Fix it.

    2023StrategySimulationEarly Access19.99 USDDeck PlayableSingle-playerSimilar games →
  4. 4
    Academia : School Simulator — Steam game cover

    Academia : School Simulator

    Single-player alternative to Oceanopolis 2000 — playable solo, no multiplayer required. Shares Strategy and Indie with Oceanopolis 2000.

    Design, build, and manage a high school with terrific teachers and fantastic facilities or simply let your students poop in the bushes? Academia : School Simulator is a management/tycoon game where you get to decide!

    2021StrategyIndieSimulation19.99 USDDeck PlayableSingle-playerSimilar games →
  5. 5
    Ymir — Steam game cover

    Ymir

    Single-player alternative to Oceanopolis 2000 — playable solo, no multiplayer required. Shares Strategy and Indie with Oceanopolis 2000.

    Ymir is a 4X multiplayer strategy game combined with a city builder where each player develops a civilization of pigmen starting at the stone age.

    2019StrategyIndieSimulation34.99 USDSingle-playerSimilar games →
  6. 6
    Moose Miners — Steam game cover

    Moose Miners

    Single-player alternative to Oceanopolis 2000 — playable solo, no multiplayer required. Shares Strategy and Indie with Oceanopolis 2000.

    Take control of a mining operation run by moose. They mine and sell the gems. You need to decide where to spend the profits. Hire more miners and upgrade their gear. Buy new rails and minecarts to get deeper into the mine. The deeper you get the more valuable gems you will find.

    2024StrategyIndieSimulation9.99 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    Worshippers of Cthulhu — Steam game cover

    Worshippers of Cthulhu

    Single-player alternative to Oceanopolis 2000 — playable solo, no multiplayer required. Shares Strategy and Simulation with Oceanopolis 2000.

    LEAD the CULT OF CTHULHU. Decide the fate of your followers, perform eldritch rituals, and master the art of city-building in a world where the line between sanity and madness blurs. Can you endure the horrors you unleash?

    2025StrategySimulation24.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    Highrise City — Steam game cover

    Highrise City

    Single-player alternative to Oceanopolis 2000 — playable solo, no multiplayer required. Shares Strategy and Simulation with Oceanopolis 2000.

    Highrise City offers a new spin on City Simulations & Tycoon games expanding the economy and resource management aspect. Experience a modern take on the genre enriched with a complex resource based economy system.

    2023StrategySimulation29.99 USDSingle-playerSimilar games →
  9. 9
    First Person Stapler — Steam game cover

    First Person Stapler

    Single-player alternative to Oceanopolis 2000 — playable solo, no multiplayer required. Shares Indie with Oceanopolis 2000.

    Clear targets in your office call center and race to the exit in this ridiculous, stapler-centric target shooter.

    2024ActionIndieFree To PlayFreeSingle-playerSimilar games →
  10. 10
    Nuclear Lizard Island Rampage — Steam game cover

    Nuclear Lizard Island Rampage

    Single-player alternative to Oceanopolis 2000 — playable solo, no multiplayer required. Shares Strategy and Indie with Oceanopolis 2000.

    Play as an enraged kaiju and defend your home against industrialists stripping it of its resources.

    2024ActionStrategyIndie2.99 USDSingle-playerSimilar games →
  11. 11
    Tire Fire Rally — Steam game cover

    Tire Fire Rally

    Single-player alternative to Oceanopolis 2000 — playable solo, no multiplayer required. Shares Indie with Oceanopolis 2000.

    Race through increasingly ridiculous and unsafe tracks as you fulfill your sponsor-inflicted contract at the Tire Fire Rally.

    2025IndieCasualRacing1.99 USDSingle-playerSimilar games →