IMHO.

Games like Fortain

If Fortain is your kind of game, the closest matches are Mandate Order, Explorers of Esmar and Stronghold: Warlords — picked from the ranked list below. Each pick is ranked by what players of this game also play, shared genres and tags, and review-mined similarity — not a generic popularity list.

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About Fortain: Build your castle, grow your economy, and raise a mighty army in this medieval strategy game. Manage resources, train Mamluk warriors, raid enemy camps, and defend against barbarian attacks. Can you amass enough glory to conquer the Horde Fortress?

StrategyIndieSimulationWindowsby Ainspire
Fortain — Steam game cover

Players who liked Fortain also play

Steam players who put hours into Fortain also tend to own these titles — a signal called collaborative filtering. imho.run cross-references millions of library ownership patterns to surface games whose real audiences overlap, regardless of whether their genre tags match.

  1. Mandate Order

    WHY THIS

    Top pick for Fortain fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Fortain.

    Mandate Order is a Warring States war city-builder set in ancient China. Build a stronghold, manage industries and logistics, recruit scholars from the Hundred Schools of Thought, raise armies, and command real-time tactical battles with thousands of soldiers.

    2026StrategyIndieSimulation16.99 USDSteam ↗
  2. Explorers of Esmar

    WHY THIS

    Second-strongest match for Fortain fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Fortain.

    Welcome to Explorers of Esmar! Build your settlement, master complex production chains. Claim the riches to explore and conquer the new island continent of Esmar!

    2026StrategyIndieEarly Access15.99 USDDeck PlayableSteam ↗
  3. Stronghold: Warlords

    WHY THIS

    Third-strongest match for Fortain fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Simulation with Fortain.

    Besiege Great Khans, Imperial warlords and Shōgun commanders in Stronghold: Warlords, the latest 'castle sim' from Firefly Studios. Command AI warlords across the battlefield as you build a castle economy and new gunpowder-fuelled siege engines!

    2021StrategySimulation39.99 USDDeck PlayableSteam ↗
  4. Stronghold: Definitive Edition

    WHY THIS

    Ranked #4 for Fortain fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Simulation with Fortain.

    Greetings sire! Your stronghold awaits you. Build a castle economy, besiege unforgettable villains and return to the 'castle sim' that started it all. Experience this classic RTS with upgraded visuals, modernised gameplay, Steam multiplayer and a new campaign.

    2023StrategySimulation14.99 USDDeck PlayableSteam ↗
  5. Nebuchadnezzar

    WHY THIS

    Ranked #5 for Fortain fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Fortain.

    Create and customize cities in Nebuchadnezzar, a classic isometric city-builder where careful planning and define your rise as a ruler in ancient Mesopotamia.

    2021StrategyIndieSimulation19.99 USDDeck PlayableSteam ↗
  6. Farthest Frontier

    WHY THIS

    Ranked #6 for Fortain fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Fortain.

    Protect and guide your people as you forge a town from untamed wilderness at the edge of the known world. Harvest raw materials, hunt, fish and farm to survive. Produce crafted items to trade, consume, equip and fight with as you battle for your survival against the elements and outside threats.

    2025StrategyIndieSimulation34.99 USDDeck PlayableSteam ↗
  7. Ground of Aces

    WHY THIS

    Ranked #7 for Fortain fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Simulation with Fortain.

    Take command of a remote military air base during World War II. Build your own airfield, manage iconic aircraft and oversee your crew’s well-being. Prepare them against air raids and send your pilots on dangerous missions. Survive and help your nation win the war!

    2025StrategySimulationEarly Access29.99 USDDeck PlayableSteam ↗
  8. Republic of Pirates

    WHY THIS

    Ranked #8 for Fortain fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Simulation with Fortain.

    Establish and grow a pirate utopia during the Golden Age of Piracy. Create a resource-based economy, engage in real-time naval combat, and conduct diplomacy with rival powers. Explore the far reaches of the Caribbean in search of the ultimate fortune and glory.

    2024StrategySimulation12.49 USDDeck PlayableSteam ↗

Free alternatives

Free-to-play games that recommended players of this title also tend to enjoy.

  1. Bongo Cat

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Simulation with Fortain.

    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 PlayableSteam ↗
  2. Awaria

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with Fortain.

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

    2024ActionIndieFree To PlayFreeDeck PlayableSteam ↗
  3. Magic Archery

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Simulation with Fortain.

    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 PlayableSteam ↗
  4. Landfall Archives

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Strategy and Indie with Fortain.

    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!

    2023ActionStrategyIndieFreeSteam ↗
  5. Epic Battle Fantasy 3

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with Fortain.

    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 PlayableSteam ↗
  6. The Riftbreaker: Prologue

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Strategy and Indie with Fortain.

    The Riftbreaker: Prologue allows you to experience the events taking place before the story campaign of the main game. Explore an entirely new world. Gather resources. Build up a base. Defend yourself from thousands of alien creatures.

    2020ActionStrategyIndieFreeDeck PlayableSteam ↗
  7. The Last Sovereign

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Strategy and Indie with Fortain.

    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 VerifiedSteam ↗
  8. DFHack - Dwarf Fortress Modding Engine

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Strategy and Simulation with Fortain.

    Extensions for Dwarf Fortress, including bugfixes, interface improvements, automation agents, design blueprints, modding building blocks, and other tools.

    2023StrategySimulationRPGFreeDeck PlayableSteam ↗

Frequently asked about Fortain

What games are most similar to Fortain?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Fortain are Mandate Order, Explorers of Esmar, Stronghold: Warlords.
Who developed Fortain?
Fortain was developed by Ainspire.

imho.run ranks Steam game alternatives using a mix of collaborative filtering (ALS / iALS / EASE / LightGCN), content scoring over genres, categories, Steam tags, developers, and publishers, plus AI-extracted vibes mined from review text. The page above is generated in seed mode anchored on Fortain.

For library-aware picks tuned to your specific taste, sign in with Steam on the home page.