IMHO.

Games like Radiation Island

If Radiation Island is your kind of game, the closest matches are How to Survive 2, How to Survive and Days Gone — picked from the ranked list below. Reviewers single out its ambience is uniquely unsettling, base building is customizable and exploration feels rewarding. 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 Radiation Island: Radiation Island is a survival adventure game where you craft your own destiny in a huge open world environment. As part of the Philadelphia Experiment you have become stranded in a parallel, alternate reality. Discover this new and mysterious world, with all its surprises.

2016ActionIndieAdventure9.99 USDWindowsby Atypical Games
Radiation Island — Steam game cover
Players highlight
Ambience is uniquely unsettlingBase building is customizableExploration feels rewardingAtmosphericNostalgicPeaceful

Players who liked Radiation Island also play

Steam players who put hours into Radiation 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. How to Survive 2

    WHY THIS

    Shares base building with Radiation Island.

    Top pick for Radiation Island fans by collaborative filtering across millions of Steam libraries. Shares Action and Adventure with Radiation Island.

    Dead or Alive? Make up your mind, stranger. We don’t like that undead business here in Louisiana…Survive solo or with friends as you look to fulfill your basic needs of food, water and shelter, crafting your own tools and weapons while you secure your camp and face flesh hungry zombies.

    2016ActionAdventureRPG14.99 USDDeck PlayableSteam ↗
  2. How to Survive

    WHY THIS

    Shares an atmospheric mood with Radiation Island.

    Second-strongest match for Radiation Island fans by collaborative filtering across millions of Steam libraries. Shares Action and Adventure with Radiation Island.

    “A real Gem” – Destructoid at E3 “Offers a different experience for zombie game veterans” – Co-Optimus“Has a lot more going for it than smashing brains and gory, red goo ... With a surprisingly deep crafting system” – GamesRadarYou're shipwrecked on an isolated island, a desperate castaway in a total freakshow world. How will you survive?

    2014ActionAdventureRPG14.99 USDDeck VerifiedSteam ↗
  3. Days Gone

    WHY THIS

    Shares crafting and an atmospheric mood with Radiation Island.

    Third-strongest match for Radiation Island fans by collaborative filtering across millions of Steam libraries. Shares Action and Adventure with Radiation Island.

    Ride and fight into a deadly, post pandemic America. Play as Deacon St. John, a drifter and bounty hunter who rides the broken road, fighting to survive while searching for a reason to live in this open-world action-adventure game.

    2021ActionAdventure39.99 USDDeck VerifiedSteam ↗
  4. METAL GEAR SURVIVE

    WHY THIS

    Ranked #4 for Radiation Island fans by collaborative filtering across millions of Steam libraries. Shares Action and Adventure with Radiation Island.

    METAL GEAR SURVIVE builds upon MGSV’s stealth action gameplay with elements of exploration and survival creating a bold new experience. *An internet connection is required to play the game.

    2018ActionStrategyAdventure29.99 USDDeck PlayableSteam ↗
  5. Frozen State

    WHY THIS

    Shares crafting and an atmospheric mood with Radiation Island.

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

    Frozen State is a brutal, survival game set in a world embraced by the man-made ice age meant to protect mankind from pestilent hybrids. Bitter cold and numbing fear are the constant companions in the journey through the retro-futuristic Frozen State world.

    2016ActionIndieRPG11.99 USDDeck PlayableSteam ↗
  6. Grounded

    WHY THIS

    Shares base building and an atmospheric mood with Radiation Island.

    Ranked #6 for Radiation Island fans by collaborative filtering across millions of Steam libraries. Shares Action and Adventure with Radiation Island.

    The world is a vast, beautiful and dangerous place – especially when you have been shrunk to the size of an ant. Can you thrive alongside the hordes of giant insects, fighting to survive the perils of the backyard?

    2022ActionAdventure39.99 USDDeck VerifiedSteam ↗
  7. Terraria

    WHY THIS

    Ranked #7 for Radiation Island fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Radiation Island.

    Dig, fight, explore, build! Nothing is impossible in this action-packed adventure game. Four Pack also available!

    2011ActionIndieAdventure9.99 USDDeck VerifiedSteam ↗
  8. Terminus: Zombie Survivors

    WHY THIS

    Ranked #8 for Radiation Island fans by collaborative filtering across millions of Steam libraries. Shares Indie and Adventure with Radiation Island.

    Terminus: Zombie Survivors is a 2D turn-based survival roguelike set during a zombie apocalypse. Each journey is unique, and every decision can mean the difference between life and death. Can you brave hunger, cold, and the undead in order to reach the Terminus and find salvation?

    2024StrategyIndieAdventure19.99 USDDeck VerifiedSteam ↗

Cheaper alternatives

Games in the same vein priced at least 40% below Radiation Island at current Steam store prices.

  1. Garry's Mod

    WHY THIS

    Priced ~50% under Radiation Island on Steam right now. Shares Indie with Radiation Island.

    Garry's Mod is a physics sandbox. There aren't any predefined aims or goals. We give you the tools and leave you to play.

    2006IndieSimulationCasual4.99 USDDeck PlayableSteam ↗
  2. Vampire Survivors

    WHY THIS

    Priced ~50% under Radiation Island on Steam right now. Shares Action and Indie with Radiation Island.

    Mow down thousands of night creatures and survive until dawn! Vampire Survivors is a gothic horror casual game with rogue-lite elements, where your choices can allow you to quickly snowball against the hundreds of monsters that get thrown at you. Be the bullet hell!

    2022ActionIndieRPG4.99 USDDeck VerifiedSteam ↗
  3. Titanfall® 2

    WHY THIS

    Priced ~55% under Radiation Island on Steam right now. Shares Action with Radiation Island.

    Respawn Entertainment gives you the most advanced titan technology in its new, single player campaign & multiplayer experience. Combine & conquer with new titans & pilots, deadlier weapons, & customization and progression systems that help you and your titan flow as one unstoppable killing force.

    2020Action4.49 USDDeck PlayableSteam ↗
  4. Cookie Clicker

    WHY THIS

    Priced ~50% under Radiation Island on Steam right now. Shares Indie with Radiation Island.

    An idle game about making cookies! Originally released in 2013 on the web, and actively developed since then. This is the official version for Steam.

    2021StrategyIndieSimulation4.99 USDDeck PlayableSteam ↗
  5. WEBFISHING

    WHY THIS

    Priced ~50% under Radiation Island on Steam right now. Shares Indie with Radiation Island.

    WEBFISHING a multiplayer chatroom-focused fishing game! Relax and fish (on the web!)

    2024IndieMassively MultiplayerCasual4.99 USDSteam ↗
  6. POSTAL 2

    WHY THIS

    Priced ~90% under Radiation Island on Steam right now. Shares Action and Indie with Radiation Island.

    Live a week in the life of "The POSTAL Dude"; a hapless everyman just trying to check off some chores. Buying milk, returning an overdue library book, getting Gary Coleman's autograph, what could possibly go wrong?

    2012ActionIndieAdventure0.99 USDDeck VerifiedSteam ↗
  7. Buckshot Roulette

    WHY THIS

    Priced ~70% under Radiation Island on Steam right now. Shares Action and Indie with Radiation Island.

    Play Russian roulette with a 12-gauge shotgun. Four enter. One leaves. Roll the dice with your life. Good luck!

    2024ActionIndieSimulation2.99 USDDeck PlayableSteam ↗
  8. Brotato

    WHY THIS

    Priced ~50% under Radiation Island on Steam right now. Shares Action and Indie with Radiation Island.

    Brotato is a top-down arena shooter roguelite where you play a potato wielding up to 6 weapons at a time to fight off hordes of aliens. Choose from a variety of traits and items to create unique builds and survive until help arrives.

    2023ActionIndieRPG4.99 USDDeck VerifiedSteam ↗

Free alternatives

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

  1. Doki Doki Literature Club!

    WHY THIS

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

    The Literature Club is full of cute girls! Will you write the way into their heart? This game is not suitable for children or those who are easily disturbed.

    2017IndieFree To PlayCasualFreeDeck PlayableSteam ↗
  2. Life is Strange - Episode 1

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Adventure with Radiation Island.

    Episode 1 now FREE! Life is Strange is an award-winning and critically acclaimed episodic adventure game that allows the player to rewind time and affect the past, present and future.

    2015ActionAdventureFreeDeck PlayableSteam ↗
  3. Ultimate Custom Night

    WHY THIS

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

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

    2018ActionIndieFree To PlayFreeSteam ↗
  4. Indigo Park: Chapter 1

    WHY THIS

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

    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 ↗
  5. Awaria

    WHY THIS

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

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

    2024ActionIndieFree To PlayFreeDeck PlayableSteam ↗
  6. Grimm's Hollow

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Adventure with Radiation 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 ↗
  7. The Expendabros

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Indie with Radiation 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 ↗
  8. Iron Snout

    WHY THIS

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

More from Atypical Games

Other recommendable Steam games by Atypical Games, ranked by review count so the studio's hits land first.

  1. Cubic Odyssey

    WHY THIS

    Shares resource gathering, base building and an atmospheric mood with Radiation Island.

    Another title from Atypical Games, the studio behind Radiation Island. Shares Action and Adventure with Radiation Island.

    Embark on a galactic journey in Cubic Odyssey, an open-world adventure where you explore vibrant planets, craft tools, build vehicles, and fight the Red Darkness. Uncover ancient mysteries, and shape a universe full of life, danger, and limitless possibilities!

    2025ActionAdventure24.99 USDDeck VerifiedSteam ↗
  2. Sky Gamblers: Storm Raiders

    WHY THIS

    Another title from Atypical Games, the studio behind Radiation Island. Shares Action and Indie with Radiation Island.

    THIS IS THE ULTIMATE WWII AIR COMBAT GAME! You’ll participate in visceral dogfights, protect cities and fleets, bomb enemy structures and even fly through tunnels. Everything is set up in accurately recreated real life locations like Pearl Harbor, Coast of Dover, Midway, Germany and France.

    2015ActionIndieSimulation9.99 USDSteam ↗
  3. Infinite Tanks

    WHY THIS

    Another title from Atypical Games, the studio behind Radiation Island. Shares Action and Indie with Radiation Island.

    Infinite Tanks features exactly what the name suggests – huge content - never ending lines of modern combat vehicles, huge environments with realistic weather, online multiplayer and countless single player missions and drills.

    2017ActionIndie4.99 USDSteam ↗

Plays great on Steam Deck

Valve-Verified or Playable picks from the similar pool — ready to go on Deck out of the box.

  1. How to Survive

    WHY THIS

    Shares an atmospheric mood with Radiation Island.

    Deck Verified — runs on Steam Deck out of the box. Shares Action and Adventure with Radiation Island.

    “A real Gem” – Destructoid at E3 “Offers a different experience for zombie game veterans” – Co-Optimus“Has a lot more going for it than smashing brains and gory, red goo ... With a surprisingly deep crafting system” – GamesRadarYou're shipwrecked on an isolated island, a desperate castaway in a total freakshow world. How will you survive?

    2014ActionAdventureRPG14.99 USDDeck VerifiedSteam ↗
  2. Days Gone

    WHY THIS

    Shares crafting and an atmospheric mood with Radiation Island.

    Deck Verified — runs on Steam Deck out of the box. Shares Action and Adventure with Radiation Island.

    Ride and fight into a deadly, post pandemic America. Play as Deacon St. John, a drifter and bounty hunter who rides the broken road, fighting to survive while searching for a reason to live in this open-world action-adventure game.

    2021ActionAdventure39.99 USDDeck VerifiedSteam ↗
  3. Grounded

    WHY THIS

    Shares base building and an atmospheric mood with Radiation Island.

    Deck Verified — runs on Steam Deck out of the box. Shares Action and Adventure with Radiation Island.

    The world is a vast, beautiful and dangerous place – especially when you have been shrunk to the size of an ant. Can you thrive alongside the hordes of giant insects, fighting to survive the perils of the backyard?

    2022ActionAdventure39.99 USDDeck VerifiedSteam ↗
  4. Terraria

    WHY THIS

    Deck Verified — runs on Steam Deck out of the box. Shares Action and Indie with Radiation Island.

    Dig, fight, explore, build! Nothing is impossible in this action-packed adventure game. Four Pack also available!

    2011ActionIndieAdventure9.99 USDDeck VerifiedSteam ↗
  5. Terminus: Zombie Survivors

    WHY THIS

    Deck Verified — runs on Steam Deck out of the box. Shares Indie and Adventure with Radiation Island.

    Terminus: Zombie Survivors is a 2D turn-based survival roguelike set during a zombie apocalypse. Each journey is unique, and every decision can mean the difference between life and death. Can you brave hunger, cold, and the undead in order to reach the Terminus and find salvation?

    2024StrategyIndieAdventure19.99 USDDeck VerifiedSteam ↗

Frequently asked about Radiation Island

How much does Radiation Island cost?
Radiation Island is listed on Steam at 9.99 USD (current store price; Steam sales may reduce this temporarily).
What games are most similar to Radiation Island?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Radiation Island are How to Survive 2, How to Survive, Days Gone.
Who developed Radiation Island?
Radiation Island was developed by Atypical Games.

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 Radiation Island.

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

32 Games Like Radiation Island — Ranked for 2026 · imho.run