IMHO.

Free games like Mycelium Conquest

Below are 10 free-to-play Steam games similar to Mycelium 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 Mycelium Conquest page.

Ranked picks

  1. 1
    Ultimate Custom Night — Steam game cover

    Ultimate Custom Night

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

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

    2018ActionIndieFree To PlayFreeFree to playSimilar games →
  2. 2
    Bongo Cat — Steam game cover

    Bongo Cat

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

    Bongo cat needs your help. Bongo cat needz more hatz!!! Every time you press a key, Bongo cat will punch your taskbar. Type, click, play, work to collect more points. Which hats will you find?

    2025IndieSimulationMassively MultiplayerFreeDeck PlayableFree to playSimilar games →
  3. 3
    Awaria — Steam game cover

    Awaria

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

    Awaria is a short game about working in haunted maintenance tunnels.

    2024ActionIndieFree To PlayFreeDeck PlayableFree to playSimilar games →
  4. 4
    Steam Engine Simulator — Steam game cover

    Steam Engine Simulator

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

    The Steam Engine Simulator shown on AngeTheGreat's YouTube channel.

    2023SimulationFreeDeck VerifiedFree to playSimilar games →
  5. 5
    Magic Archery — Steam game cover

    Magic Archery

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

    Train a commoner to become the greatest archer in this short incremental game! Increase your stats, gather wealth from quests, buy upgrades, and infuse your arrows with magic.

    2024IndieSimulationRPGFreeDeck PlayableFree to playSimilar games →
  6. 6
    The Lab — Steam game cover

    The Lab

    Free-to-play alternative to Mycelium Conquest — no purchase or trial window.

    Welcome to The Lab, a compilation of Valve’s room-scale VR experiments set in a pocket universe within Aperture Science. Fix a robot, defend a castle, adopt a mechanical dog, and more. Still not sold? It’s free!

    2016Free To PlayFreeFree to playSimilar games →
  7. 7
    No Results Found — Steam game cover

    No Results Found

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

    Search, dig deeper, and search again. Can you reach the end of the truth?

    2026IndieAdventureSimulationFreeFree to playSimilar games →
  8. 8
    Landfall Archives — Steam game cover

    Landfall Archives

    Free-to-play alternative to Mycelium Conquest — no purchase or trial window. Shares Strategy and Indie with Mycelium 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 →
  9. 9
    Mycelium Conquest: Mitosis — Steam game cover

    Mycelium Conquest: Mitosis

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

    A free co-op automation game where you and up to 3 friends grow a living mycelial network across an alien planet. Consume local creatures, build biological production chains, and evolve from a tiny spore into a cosmic entity together.

    2026StrategyIndieSimulationFreeFree to playSimilar games →
  10. 10
    Alamet: Interstellar Wars — Steam game cover

    Alamet: Interstellar Wars

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

    Build your star system. Arm nine planets. Then raid real commanders while they sleep — and watch them raid you back. Asynchronous 1v1 base battles, clan wars, and a loot economy where your ore is never safe.

    StrategyIndieSimulationFreeFree to playSimilar games →