IMHO.

Games like Fosoria

If Fosoria is your kind of game, the closest matches are Union Of Rivals, Dwarf Fortress and Prison Architect — 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.

Get personalized picks →

About Fosoria: Carve out and manage vast underground colonies! Build chambers, mine resources, and watch your settlement thrive. Assign specialized roles to your residents, then dig deeper to uncover ancient caves, precious resources, and mysterious tombs that unlock new possibilities.

SimulationWindowsby Decoy Duck
Fosoria — Steam game cover

Players who liked Fosoria also play

Steam players who put hours into Fosoria 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. Union Of Rivals

    WHY THIS

    Top pick for Fosoria fans by collaborative filtering across millions of Steam libraries. Shares Simulation with Fosoria.

    A deep colony sim and city builder. Manage resources and production chains to build the railroad from East to West. Found towns, harvest and refine the goods that fuel the line, then persuade or outlast the settlements in your path. Every citizen has a name, a trait, and a breaking point.

    2026StrategyIndieSimulationSteam ↗
  2. Dwarf Fortress

    WHY THIS

    Second-strongest match for Fosoria fans by collaborative filtering across millions of Steam libraries. Shares Simulation with Fosoria.

    Build a fortress and try to help your dwarves survive against a deeply generated world. Keep your dwarves happy, grow their community and beware of digging too deeply. The deepest, most intricate simulation of a world that's ever been created.

    2022StrategyIndieSimulation23.99 USDDeck PlayableSteam ↗
  3. Prison Architect

    WHY THIS

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

    Only the world’s most ruthless Warden can contain the world’s most ruthless inmates. Design and develop your personalized penitentiary in Prison Architect.

    2015StrategyIndieSimulation7.49 USDDeck PlayableSteam ↗
  4. Judgment: Apocalypse Survival Simulation

    WHY THIS

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

    Build, scavenge, craft, and perform occult rituals to survive in a demon-infested, post-apocalyptic colony simulation. Will you survive Judgment day?

    2018StrategyIndieSimulation19.99 USDDeck PlayableSteam ↗
  5. Stronghold Crusader HD (2012)

    WHY THIS

    Ranked #5 for Fosoria fans by collaborative filtering across millions of Steam libraries. Shares Simulation with Fosoria.

    The highly anticipated sequel to the best-selling Stronghold, Stronghold Crusader HD throws you into historic battles and castle sieges from the Crusades with fiendish AI opponents, new units, 4 historical campaigns and over 100 unique skirmish missions.

    2013StrategySimulation9.99 USDDeck PlayableSteam ↗
  6. Fabledom

    WHY THIS

    Ranked #6 for Fosoria fans by collaborative filtering across millions of Steam libraries. Shares Simulation with Fosoria.

    Set in a wholesome fairytale world, Fabledom is a laid-back City builder. Enjoy the growth of your settlement, interact with your neighbors and defend your kingdom from magical creatures. All to find true love and live happily ever after!

    2024StrategySimulationCasual20.99 USDDeck PlayableSteam ↗
  7. STATIONflow

    WHY THIS

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

    STATIONflow is a game about controlling the flow of thousands of passengers by building and managing an efficient underground train station.

    2020StrategySimulation17.99 USDSteam ↗
  8. RimWorld

    WHY THIS

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

    A sci-fi colony sim driven by an intelligent AI storyteller. Generates stories by simulating psychology, ecology, gunplay, melee combat, climate, biomes, diplomacy, interpersonal relationships, art, medicine, trade, and more.

    2018StrategyIndieSimulation34.99 USDDeck VerifiedSteam ↗

Free alternatives

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

  1. Ultimate Custom Night

    WHY THIS

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

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

    2018ActionIndieFree To PlayFreeSteam ↗
  2. Bongo Cat

    WHY THIS

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

    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 ↗
  3. ENA: Dream BBQ

    WHY THIS

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

    Experience surreal environments and inexplicable characters as ENA in a new wild world.

    2025IndieAdventureFreeDeck VerifiedSteam ↗
  4. The Murder of Sonic the Hedgehog

    WHY THIS

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

    Sonic the Hedgehog...was murdered!? Get to the bottom of the mystery in this brand-new adventure!

    2023IndieSimulationFree To PlayFreeDeck PlayableSteam ↗
  5. Indigo Park: Chapter 1

    WHY THIS

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

    Explore the abandoned childhood wonder of Indigo Park! Guided by Rambley the Raccoon, help restore power to the destroyed amusement park while you run from the reason it shut down.

    2024ActionIndieAdventureFreeDeck PlayableSteam ↗
  6. The Looker

    WHY THIS

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

    You wake up, alone, on a strangely familiar island full of puzzles that will frustrate and annoy you.

    2022IndieFreeDeck PlayableSteam ↗
  7. Sheepy: A Short Adventure

    WHY THIS

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

    A Short Handcrafted Pixel Art Platformer that follows Sheepy, an abandoned plushy brought to life. Sheepy: A Short Adventure is the first short game from MrSuicideSheep.

    2024IndieAdventureFree To PlayFreeDeck PlayableSteam ↗
  8. missed messages.

    WHY THIS

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

    ‘goth gf’s iPhone’ airdrops you - accept or decline? A love/horror story about life, death, & memes.

    2019IndieSimulationFree To PlayFreeDeck PlayableSteam ↗

Frequently asked about Fosoria

What games are most similar to Fosoria?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Fosoria are Union Of Rivals, Dwarf Fortress, Prison Architect.
Who developed Fosoria?
Fosoria was developed by Decoy Duck.

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 Fosoria.

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