IMHO.

Single-player games like Project Of Cooling The Earth

Below are 8 single-player Steam games similar to Project Of Cooling The Earth, 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 Project Of Cooling The Earth page.

Ranked picks

  1. 1
    Pinevale Settlements — Steam game cover

    Pinevale Settlements

    Single-player alternative to Project Of Cooling The Earth — playable solo, no multiplayer required. Shares Strategy and Indie with Project Of Cooling The Earth.

    Build a colony from scratch, set up production chains, and defend against raids. Manage resources, research technologies, expand your settlement, and survive each escalating wave!

    2024StrategyIndieSimulation7.99 USDSingle-playerSimilar games →
  2. 2
    Mission: Rift seeker — Steam game cover

    Mission: Rift seeker

    Single-player alternative to Project Of Cooling The Earth — playable solo, no multiplayer required. Shares Strategy and Indie with Project Of Cooling The Earth.

    Mission: Rift seeker is a colony simulation game about building and managing your base on an unknown planet and exploring the surrounding void rifts that are full of horrific and mysterious entities that you are tasked to capture before they to eat the brave and fluffy seekers that you command.

    2025StrategyIndieSimulation19.99 USDSingle-playerSimilar games →
  3. 3
    Deep Among the Swarm — Steam game cover

    Deep Among the Swarm

    Single-player alternative to Project Of Cooling The Earth — playable solo, no multiplayer required. Shares Strategy with Project Of Cooling The Earth.

    Deep Among the Swarm is a challenging survival RTS roguelite about surviving against thousands of enemies. Drill ever deeper underground while fighting the endless onslaught of the Swarm. Can you save humanity?

    2024Strategy8.99 USDDeck PlayableSingle-playerSimilar games →
  4. 4
    From Glory To Goo — Steam game cover

    From Glory To Goo

    Single-player alternative to Project Of Cooling The Earth — playable solo, no multiplayer required. Shares Strategy and Simulation with Project Of Cooling The Earth.

    From Glory To Goo is a Sci-Fi survival RTS set on an alien world. Serve as humanity's bulwark by establishing a colony and supporting your colonists still in orbit. But beware, for The Goo, a relentless and shape-shifting force approaches from all sides, even above and below.

    2024StrategySimulationEarly Access8.39 USDDeck PlayableSingle-playerSimilar games →
  5. 5
    Siege Survival: Gloria Victis — Steam game cover

    Siege Survival: Gloria Victis

    Single-player alternative to Project Of Cooling The Earth — playable solo, no multiplayer required. Shares Strategy and Indie with Project Of Cooling The Earth.

    A medieval city under siege and a handful of civilians are all that keep the walls from falling. Mixing survival strategy and resource management, build your camp, craft supplies, and scavenge the occupied city to supply the last troops holding back the invaders.

    2021StrategyIndieAdventure24.99 USDDeck PlayableSingle-playerSimilar games →
  6. 6
    This War of Mine — Steam game cover

    This War of Mine

    Single-player alternative to Project Of Cooling The Earth — playable solo, no multiplayer required. Shares Indie and Simulation with Project Of Cooling The Earth.

    In This War Of Mine you do not play as an elite soldier, rather a group of civilians trying to survive in a besieged city; struggling with lack of food, medicine and constant danger from snipers and hostile scavengers. The game provides an experience of war seen from an entirely new angle.

    2014IndieAdventureSimulation19.99 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    Homeseek — Steam game cover

    Homeseek

    Single-player alternative to Project Of Cooling The Earth — playable solo, no multiplayer required. Shares Strategy and Indie with Project Of Cooling The Earth.

    Homeseek is a post-apocalyptic survival strategy game set on a resource-strapped Earth at the turn of the next century. In a dried-up wasteland where water has become the new gold, every choice you make becomes life or death.

    2023StrategyIndieSimulation9.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    Surviving the Aftermath — Steam game cover

    Surviving the Aftermath

    Single-player alternative to Project Of Cooling The Earth — playable solo, no multiplayer required. Shares Strategy and Simulation with Project Of Cooling The Earth.

    Survive and thrive in a post-apocalyptic future — resources are scarce, but opportunity calls! Build the ultimate disaster proof colony, protect your colonists, and restore civilization to a devastated world.

    2021StrategySimulation8.99 USDDeck PlayableSingle-playerSimilar games →