IMHO.

Free games like Colonial Conquest

Below are 8 free-to-play Steam games similar to Colonial Conquest, ranked by player overlap and content similarity. No purchase or Steam login required to view the list. Every pick is a full free-to-play title — not a demo, trial, or time-limited giveaway. imho.run's catalogue refreshes daily, so newly free or newly popular titles surface here without manual editing.

Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Colonial Conquest page.

Ranked picks

  1. 1
    Ultimate Custom Night — Steam game cover

    Ultimate Custom Night

    Free-to-play alternative to Colonial Conquest — no purchase or trial window. Shares Indie with Colonial Conquest.

    Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties!

    2018ActionIndieFree To PlayFreeFree to playSimilar games →
  2. 2
    Landfall Archives — Steam game cover

    Landfall Archives

    Free-to-play alternative to Colonial Conquest — no purchase or trial window. Shares Strategy and Indie with Colonial Conquest.

    Break into the Landfall Archives to steal and play previously unreleased games, demos, interactive slide shows, and even an unreleased version of Totally Accurate Battle Simulator from 2017!

    2023ActionStrategyIndieFreeFree to playSimilar games →
  3. 3
    Die in the Dungeon: Origins — Steam game cover

    Die in the Dungeon: Origins

    Free-to-play alternative to Colonial Conquest — no purchase or trial window. Shares Strategy and Indie with Colonial Conquest.

    Fight your way through a mysterious dungeon in this deck-building, turn-based roguelike game where you don't use cards, but DICE! Deal with enemies by combining dice on your board, boost their effects with magical relics, and discover the story behind Die in the Dungeon!

    2023StrategyIndieRPGFreeDeck VerifiedFree to playSimilar games →
  4. 4
    Epic Battle Fantasy 3 — Steam game cover

    Epic Battle Fantasy 3

    Free-to-play alternative to Colonial Conquest — no purchase or trial window. Shares Indie with Colonial Conquest.

    Epic Battle Fantasy 3 is a silly turn-based JRPG, full of useless NPCs, rabid cats, childish humor, unreasonably large weapons, anime boobs, and other nonsense. And it's totally free!

    2016IndieAdventureRPGFreeDeck PlayableFree to playSimilar games →
  5. 5
    The Last Sovereign — Steam game cover

    The Last Sovereign

    Free-to-play alternative to Colonial Conquest — no purchase or trial window. Shares Strategy and Indie with Colonial Conquest.

    Explore a world torn between armies of lust and purity in which everything is more complex than it seems, deciding the fate of nations through might, politics, and finance. Every decision matters in an intricate saga that tracks thousands of variables.

    2025StrategyIndieAdventureFreeDeck VerifiedFree to playSimilar games →
  6. 6
    Totally Accurate Battlegrounds — Steam game cover

    Totally Accurate Battlegrounds

    Free-to-play alternative to Colonial Conquest — no purchase or trial window. Shares Indie with Colonial Conquest.

    Grab your balloon crossbow and trusty inflatable hammer, because things are about to get wobbly! Be the last weirdo standing in the world-leading physics-based Battle Royale game.

    2018ActionIndieFree To PlayFreeDeck PlayableFree to playSimilar games →
  7. 7
    World of Warships — Steam game cover

    World of Warships

    Free-to-play alternative to Colonial Conquest — no purchase or trial window. Shares Strategy and Simulation with Colonial Conquest.

    Immerse yourself in thrilling naval battles and assemble an armada of over 800 ships from the first half of the 20th century — from stealthy destroyers to gigantic battleships. Change the look of your ship, choose upgrades to suit your play style, and go into battle with other players!

    2017ActionStrategySimulationFreeDeck PlayableFree to playSimilar games →
  8. 8
    Crusader Kings II — Steam game cover

    Crusader Kings II

    Free-to-play alternative to Colonial Conquest — no purchase or trial window. Shares Strategy and Simulation with Colonial Conquest.

    Explore one of the defining periods in world history in an experience crafted by the masters of Grand Strategy.

    2012StrategySimulationRPGFreeDeck PlayableFree to playSimilar games →