IMHO.

Games like Radia Island

If Radia Island is your kind of game, the closest matches are Galaxy Scavengers, Beyond These Stars and Corsair Cove — 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 Radia Island: Radia Island is a civilization-building survival game. Lead your people to a new land, establish your first town, gather resources, research technologies, advance into the industrial age, and ultimately complete the space program.

2026StrategyIndieSimulationCasualWindowsby Radia Studio
Radia Island — Steam game cover

Players who liked Radia Island also play

Steam players who put hours into Radia Island 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. Galaxy Scavengers

    WHY THIS

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

    Mine, build, upgrade, and extract. Scavenge planets in a base-building resource management sim. Gather materials, construct facilities, and order units to survive in a hostile galaxy. Launch your base to the next zone before planetary threats overwhelm you.

    2027StrategyIndieAdventureSteam ↗
  2. Beyond These Stars

    WHY THIS

    Second-strongest match for Radia Island fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Simulation with Radia Island.

    Build a city on the back of a Space Whale and learn to coexist as you journey through the stars. Manage intricate supply chains and the needs of your people as you build outposts, meet aliens, and uncover the mysteries of the universe.

    2026StrategySimulationSteam ↗
  3. Corsair Cove

    WHY THIS

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

    Build a sprawling pirate haven, raise a fleet to explore the high seas, and take on the Crown to keep the Age of Piracy alive! From ale to flintlock pistols, and from scallywags to swashbucklers, you’ll need to manage complex production chains and govern a rowdy crew to reign supreme over the seas!

    2026StrategySimulation39.99 USDDeck PlayableSteam ↗
  4. Steel Artery: Train City Builder

    WHY THIS

    Ranked #4 for Radia Island fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Radia Island.

    Build a living city on rails in this steampunk fantasy train-city builder. Manage multiracial colonies with thousands of autonomous citizens, balance their needs, manage the economy, and create logistics as you explore distant regions to ensure the prosperity of your Empire.

    2026StrategyIndieSimulation13.49 USDSteam ↗
  5. Mandate Order

    WHY THIS

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

    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 ↗
  6. Captain of Industry

    WHY THIS

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

    Build an industrial empire on a remote island. Mine resources, reshape terrain with excavators, grow food, construct factories, lay train tracks, and trade with the outside world. Research 100+ technologies to advance from basic metal smelting all the way to nuclear power and space flight.

    2022StrategyIndieSimulation34.99 USDDeck PlayableSteam ↗
  7. The Wandering Village

    WHY THIS

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

    The Wandering Village is a city-building simulation game on the back of a giant, wandering creature. Build your settlement and form a symbiotic relationship with the colossus. Will you survive together in this hostile, yet beautiful post-apocalyptic world, contaminated by poisonous plants?

    2025StrategySimulation29.99 USDDeck VerifiedSteam ↗
  8. Whiskerwood

    WHY THIS

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

    Establish a home for your industrious mice under the oppressive paw of your cat overlords in this city builder featuring complex simulations, intricate production chains, and the age-old rivalry between cat and mouse.

    2025StrategySimulationEarly Access29.99 USDDeck PlayableSteam ↗

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. Shares Indie with Radia Island.

    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 Indie and Simulation with Radia Island.

    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. Sheepy: A Short Adventure

    WHY THIS

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

    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 ↗
  4. Grimm's Hollow

    WHY THIS

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

    A spooky, freeware RPG where you search the afterlife for your brother. Reap ghosts with your scythe, explore haunted caves, and eat ghostly treats on your journey through death.

    2019IndieAdventureRPGFreeDeck PlayableSteam ↗
  5. The Expendabros

    WHY THIS

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

    The Expendabros have assembled and set their sights on the forces of ruthless arms dealer Conrad Stonebanks in the forests of Eastern Europe.

    2014ActionIndieAdventureFreeDeck VerifiedSteam ↗
  6. Steam Engine Simulator

    WHY THIS

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

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

    2023SimulationFreeDeck VerifiedSteam ↗
  7. Iron Snout

    WHY THIS

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

    Iron Snout is a fast, colorful and brutal fighting game in which you will be helping a piglet fight for its life against hordes of wolves.

    2016ActionIndieFree To PlayFreeDeck PlayableSteam ↗
  8. Star Fetchers

    WHY THIS

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

    The introduction to a wild ride with gangsters and deep state conspiracy theories

    2020ActionIndieAdventureFreeDeck PlayableSteam ↗

Frequently asked about Radia Island

What games are most similar to Radia Island?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Radia Island are Galaxy Scavengers, Beyond These Stars, Corsair Cove.
Who developed Radia Island?
Radia Island was developed by Radia Studio.

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 Radia Island.

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