IMHO.

Games like F.U.N

If F.U.N is your kind of game, the closest matches are You Are Circle, Irradiant Skies and SteelGuard — 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 F.U.N: Uh Oh! You took a little too much Acid and now you're getting plowed by the Evil Fractals and Malicious Machinists!!! The only way out is by going deeper in. Good Luck!

2026ActionIndieCasual4.99 USDWindows · Linuxby DesignationX
F.U.N — Steam game cover

Players who liked F.U.N also play

Steam players who put hours into F.U.N 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. You Are Circle

    WHY THIS

    Top pick for F.U.N fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with F.U.N.

    You are a circle in a sharp world. Fight jagged enemies in a neon twin-stick bullet-hell roguelite, build devastating ability combos, and grow from fragile to unstoppable through shifting neon labyrinths.

    ActionIndieSteam ↗
  2. Irradiant Skies

    WHY THIS

    Second-strongest match for F.U.N fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with F.U.N.

    Irradiant Skies is an arcade roguelite blending brick-breaking and bullet-parrying combat. Reflect enemy attacks, chain powerful upgrades, and master unique ships as you ascend through waves of enemies.

    ActionIndieCasualSteam ↗
  3. SteelGuard

    WHY THIS

    Third-strongest match for F.U.N fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with F.U.N.

    Pilot customizable mechs in an epic battle against hordes of enemiesor dive into intense PvP battles where precision aiming can turn the tide, or let your mech's auto-firing system handle the heat of combat. With rogue-lite elements, each run offers a unique challenge and opportunity for growth.

    ActionIndieRPGSteam ↗
  4. Underwater DuO

    WHY THIS

    Ranked #4 for F.U.N fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with F.U.N.

    In Underwater Duo, control a smashing turtle with your left hand and a blasting jellyfish with your right! Fight off waves of fierce fish, grow stronger, and see if your two hands can conquer the deep… or team up with a perfectly in-sync partner.

    2026ActionIndieCasual3.99 USDSteam ↗
  5. Wild Island

    WHY THIS

    Ranked #5 for F.U.N fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with F.U.N.

    You are stranded on a mysterious island, trying to escape. A sandbox where you stack items, craft synergies, and turn simple weapons into pure power. Experiment with runes, accessories, and pets. Discover the island’s mysteries and rebuild your sanctuary to uncover what the island truly wants.

    2026ActionIndieAdventureSteam ↗
  6. LOOPFANG

    WHY THIS

    Ranked #6 for F.U.N fans by collaborative filtering across millions of Steam libraries. Shares Action with F.U.N.

    A snake roguelite where your body is your arsenal. Collect weapon segments, fuse matching neighbors into higher tiers, and reorder them until they react with each other. Then close a loop with your own tail: everything trapped inside dies.

    2027ActionSteam ↗
  7. Sugarena

    WHY THIS

    Ranked #7 for F.U.N fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with F.U.N.

    Sugarena is a top-down roguelike arena shooter where you fight off relentless hordes of monsters. Choose from a massive arsenal of weapons, upgrade and ascend them to clear the arena.

    ActionIndieCasualSteam ↗
  8. Homesider Survivors

    WHY THIS

    Ranked #8 for F.U.N fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with F.U.N.

    HOMESIDER SURVIVORS is a single player survivor-like auto-shooter. You find yourself far from home against countless hordes of aliens...but they're the ones who have to survive, because they kidnapped the wrong guy. Kill, die, level up, and try again until you get home.

    ActionIndieSteam ↗

Cheaper alternatives

Games in the same vein priced at least 40% below F.U.N at current Steam store prices.

  1. POSTAL 2

    WHY THIS

    Priced ~80% under F.U.N on Steam right now. Shares Action and Indie with F.U.N.

    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 ↗
  2. The Test

    WHY THIS

    Priced ~60% under F.U.N on Steam right now. Shares Indie with F.U.N.

    You will answer a series of questions that will reveal truths from deep within. These questions may make you uncomfortable, but with great knowledge comes great sacrifice. Can you make it all the way through The Test, and if you do, are you sure you want the answers you seek?

    2020IndieAdventureSimulation1.99 USDDeck VerifiedSteam ↗
  3. Milk inside a bag of milk inside a bag of milk

    WHY THIS

    Priced ~70% under F.U.N on Steam right now. Shares Indie with F.U.N.

    A short story about what sort of challenges everyday little things can be. Help the girl buy milk, be the first not to disappoint her.

    2020IndieAdventure1.49 USDDeck PlayableSteam ↗
  4. Blood and Bacon

    WHY THIS

    Priced ~80% under F.U.N on Steam right now. Shares Action and Casual with F.U.N.

    This Co-op Shooter , has Day and Night levels, multiple maps, players will take on 25 enemy types and numerous bosses, like Gargantuan Monsters and Minibosses every 10 days as you explore, shoot and run for your life against the onslaught of porcine monstrosities.

    2016ActionAdventureCasual0.99 USDSteam ↗
  5. Placid Plastic Duck Simulator

    WHY THIS

    Priced ~60% under F.U.N on Steam right now. Shares Casual with F.U.N.

    The ultimate high-tech rubber duck simulation, Placid Plastic Duck brings you dangerous levels of relaxation. With chill music, dreamy 3D graphics, and many different happy ducks, your only priority is to float around. Zero Ducks given.

    2022SimulationCasual1.99 USDDeck VerifiedSteam ↗
  6. Peggle Deluxe

    WHY THIS

    Priced ~80% under F.U.N on Steam right now. Shares Casual with F.U.N.

    Take your best shot with energizing arcade fun! Aim, shoot, clear the orange pegs, then sit back and cheer as 10 whimsical teachers guide you to Peggle greatness.

    2007Casual0.99 USDDeck PlayableSteam ↗
  7. STAR WARS™ Republic Commando™

    WHY THIS

    Priced ~50% under F.U.N on Steam right now. Shares Action with F.U.N.

    You are the leader of an elite squad of Republic Commandos, your mission is to infiltrate, dominate, and ultimately, annihilate the enemy. Your squad will follow your orders and your lead, working together as a team - instinctively, intelligently, instantly. You are their leader. They are your weapon.

    2009Action2.49 USDDeck PlayableSteam ↗
  8. shapez

    WHY THIS

    Priced ~80% under F.U.N on Steam right now. Shares Indie and Casual with F.U.N.

    shapez is an easy-going, minimalistic factory building game about the automation of shapes through extraction and satisfying production lines. Adapt to increasingly complex shapes and grow your factory across an infinitely expanding map. Your only limitation is your creativity!

    2020StrategyIndieSimulation0.99 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 with F.U.N.

    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. ENA: Dream BBQ

    WHY THIS

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

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

    2025IndieAdventureFreeDeck VerifiedSteam ↗
  3. 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 F.U.N.

    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 ↗
  4. STRAFTAT

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action with F.U.N.

    STRAFTAT is a 1v1/2v2 ONLINE first person SHOOTER with quick rounds in over 350 MAPS ; Including all WEAPONS, proximity chat and 4 players FFA.

    2024ActionFreeDeck PlayableSteam ↗
  5. The Looker

    WHY THIS

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

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

    2022IndieFreeDeck PlayableSteam ↗
  6. Awaria

    WHY THIS

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

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

    2024ActionIndieFree To PlayFreeDeck 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 F.U.N.

    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 F.U.N.

    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 ↗

Frequently asked about F.U.N

How much does F.U.N cost?
F.U.N is listed on Steam at 4.99 USD (current store price; Steam sales may reduce this temporarily).
What games are most similar to F.U.N?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside F.U.N are You Are Circle, Irradiant Skies, SteelGuard.
Who developed F.U.N?
F.U.N was developed by DesignationX.

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 F.U.N.

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