IMHO.

Single-player games like Fio and the Doomed City

Below are 11 single-player Steam games similar to Fio and the Doomed City, 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 Fio and the Doomed City page.

Ranked picks

  1. 1
    IsleFolk: Build. Trade. Survive. — Steam game cover

    IsleFolk: Build. Trade. Survive.

    Single-player alternative to Fio and the Doomed City — playable solo, no multiplayer required. Shares Strategy and Indie with Fio and the Doomed City.

    A laidback island colony sim where autonomous villagers do the work. They'll chop wood, farm, mine, and build while also expanding your island tile by tile. No deaths, no fail states, just a colony that grows.

    2026StrategyIndieSimulationSingle-playerSimilar games →
  2. 2
    Kingdom III: Rising Realms — Steam game cover

    Kingdom III: Rising Realms

    Single-player alternative to Fio and the Doomed City — playable solo, no multiplayer required. Shares Strategy and Indie with Fio and the Doomed City.

    Protect your crown! Kingdom returns in an all-new micro-strategy and tower defense game set in a shattered realm. Embark on an atmospheric adventure across lands of legend to build a lasting legacy and challenge the empowered Greed threat.

    StrategyIndieAdventureSingle-playerSimilar games →
  3. 3
    Petty Kings — Steam game cover

    Petty Kings

    Single-player alternative to Fio and the Doomed City — playable solo, no multiplayer required. Shares Strategy and Indie with Fio and the Doomed City.

    Petty Kings is a minimalist pixel art strategy game about reclaiming your stolen kingdom. Rebuild your lands, raise your army, conquer enemy camps, and reclaim your rightful throne.

    2027ActionStrategyIndieSingle-playerSimilar games →
  4. 4
    Windowed Realms — Steam game cover

    Windowed Realms

    Single-player alternative to Fio and the Doomed City — playable solo, no multiplayer required. Shares Strategy and Indie with Fio and the Doomed City.

    Build, manage, explore, and survive. Develop your village, discover new islands, face threats, and decide how your colony will grow.

    StrategyIndieSimulationSingle-playerSimilar games →
  5. 5
    Here Comes The Swarm — Steam game cover

    Here Comes The Swarm

    Single-player alternative to Fio and the Doomed City — playable solo, no multiplayer required. Shares Strategy and Indie with Fio and the Doomed City.

    Here Comes the Swarm is a survival RTS with a pause button! Create your strategy, build, manage, and defend your settlements at your own pace. Take the fight to the hive mind and lead expeditions to deliver a deadly blow and eradicate your foes. Will you reclaim Ulora from the relentless Swarm?

    2026StrategyIndieSimulation15.99 USDDeck PlayableSingle-playerSimilar games →
  6. 6
    Demon Castle Story — Steam game cover

    Demon Castle Story

    Single-player alternative to Fio and the Doomed City — playable solo, no multiplayer required. Shares Strategy and Indie with Fio and the Doomed City.

    Demon Castle Building Dungeon Management Simulation

    2026StrategyIndieSimulation12.99 USDDeck VerifiedSingle-playerSimilar games →
  7. 7
    Hearth and Hamlet — Steam game cover

    Hearth and Hamlet

    Single-player alternative to Fio and the Doomed City — playable solo, no multiplayer required. Shares Strategy and Simulation with Fio and the Doomed City.

    Start with a campfire. Build a kingdom. Hearth and Hamlet is a medieval citybuilder clicker that blends resource management, in-depth upgrade trees and relaxing idle gameplay. Build your empire by researching new technologies, passing new laws, trading with far-off lands, and more.

    2026StrategySimulationCasual7.19 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    Fill Up The Hole — Steam game cover

    Fill Up The Hole

    Single-player alternative to Fio and the Doomed City — playable solo, no multiplayer required. Shares Strategy and Indie with Fio and the Doomed City.

    Turn trash into cash in a dystopian world! Fill Up The Hole is a short incremental game where you build a city, automate garbage production, and toss it into a magical hole for profit.

    2025StrategyIndieSimulation2.99 USDDeck PlayableSingle-playerSimilar games →
  9. 9
    Emma's Armaments — Steam game cover

    Emma's Armaments

    Single-player alternative to Fio and the Doomed City — playable solo, no multiplayer required. Shares Simulation with Fio and the Doomed City.

    Emma's Weapons Shop is a management simulation game in which players collect items while conquering dungeons, smelt them, and sell them at higher prices to increase sales.

    2022Simulation12.40 USDDeck PlayableSingle-playerSimilar games →
  10. 10
    Helle's Undersea City Project - Bringing Air to The Garden — Steam game cover

    Helle's Undersea City Project - Bringing Air to The Garden

    Single-player alternative to Fio and the Doomed City — playable solo, no multiplayer required. Shares Indie and Simulation with Fio and the Doomed City.

    Helle's Undersea City Project - Bringing Air to The Garden - Grow and expand the land with air, aiming to rebuild the undersea city with a lone girl, Hele! A new type of undersea city-building simulation game!

    2023IndieAdventureSimulation14.99 USDSingle-playerSimilar games →
  11. 11
    Rota's Nautical Chronicles of Trade — Steam game cover

    Rota's Nautical Chronicles of Trade

    Single-player alternative to Fio and the Doomed City — playable solo, no multiplayer required. Shares Indie and Simulation with Fio and the Doomed City.

    "City building" and "Trade" simulation game by Rota, the princess of the forest country! Rota strives to realize her plan for sea trade with the entire world. Let's greatly develop the port town of Portamare through the production, import and export of goods, and business negotiation battles!

    2024IndieSimulation14.99 USDSingle-playerSimilar games →