IMHO.

Single-player games like Blocky Colony

Below are 8 single-player Steam games similar to Blocky Colony, 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 Blocky Colony page.

Ranked picks

  1. 1
    Diseased — Steam game cover

    Diseased

    Single-player alternative to Blocky Colony — playable solo, no multiplayer required. Shares Action and Strategy with Blocky Colony.

    Build your camp in the freezing cold and make tough choices. Capture walls to widen borders and send your men to explore. Risk it all for vital resources, as surviving the relentless waves of the Diseased emerging from the dark will be harder than you think.

    ActionStrategyIndieSingle-playerSimilar games →
  2. 2
    Scarecropia — Steam game cover

    Scarecropia

    Single-player alternative to Blocky Colony — playable solo, no multiplayer required. Shares Action and Strategy with Blocky Colony.

    Here is Scarecropia! Lead at most 400 people to build a settlement. Arm your village to fight against the Goblin army, or invest limited resources in yourself to become unparalleled! Take every cost to survive!

    2025ActionStrategyIndie9.99 USDSingle-playerSimilar games →
  3. 3
    Sengoku Voxel Castle With Zundamon — Steam game cover

    Sengoku Voxel Castle With Zundamon

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

    Build castles on voxel terrain based on real Japanese geographic data, and defeat over 1,000 samurai and ninja enemies. Shape the terrain freely using blocks. The game features over 100 technologies and buildings inspired by medieval Japanese history.

    2024StrategyIndieSimulation12.99 USDSingle-playerSimilar games →
  4. 4
    Lessaria: Fantasy Kingdom Sim — Steam game cover

    Lessaria: Fantasy Kingdom Sim

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

    Lessaria is an RTS inspired by Majesty 👑 where you guide heroes with indirect control. Play through the campaign or relax in sandbox mode as you build your magical kingdom.

    2025StrategyIndieSimulation24.90 USDDeck PlayableSingle-playerSimilar games →
  5. 5
    Kingdom Eighties — Steam game cover

    Kingdom Eighties

    Single-player alternative to Blocky Colony — playable solo, no multiplayer required. Shares Action and Strategy with Blocky Colony.

    Kingdom Eighties is a short story-based standalone expansion set in the Kingdom universe. A rad adventure of micro-strategy and base building in vivid ‘80s neon. Defend your town against the mysterious Greed and discover the secrets of your family lineage!

    2023ActionStrategy11.99 USDDeck VerifiedSingle-playerSimilar games →
  6. 6
    Drill Core — Steam game cover

    Drill Core

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

    Corporate greed meets strategic planet-mining in Drill Core! Drill to the heart of planets while managing workers, researching cutting-edge tech, and fortifying against alien attacks. Will you prioritize efficiency and risk your workers' safety, or focus on defense for survival?

    2025StrategyIndie9.99 USDDeck VerifiedSingle-playerSimilar games →
  7. 7
    Guardians of the Sanctree — Steam game cover

    Guardians of the Sanctree

    Single-player alternative to Blocky Colony — playable solo, no multiplayer required. Shares Action and Strategy with Blocky Colony.

    You and allies, avian inhabitants of Sanctree City, build structures and production lines on the tree, crafting weapons to fend off subterranean insects. Defense is just the start—dig deeper, destroy nests, fortify new defenses against escalating threats for an impregnable stronghold.

    2024ActionStrategyIndie8.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    Airborne Empire — Steam game cover

    Airborne Empire

    Single-player alternative to Blocky Colony — playable solo, no multiplayer required. Shares Action and Strategy with Blocky Colony.

    Build your sky city while exploring a vast landscape in this Open World RPG City Builder. Combining the methodical construction and management of a city builder; the unique lift, balance, and propulsion needed for a flying city; and the compelling characters, dangers, and adventures of an RPG!

    2026ActionStrategyIndie29.99 USDDeck PlayableSingle-playerSimilar games →