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Games like F.U.N

Below are 8 hand-picked alternatives to F.U.N for fans of action, indie, casual, ranked by imho.run's hybrid recommender. Each pick is scored on three signals: collaborative filtering across millions of Steam libraries (which players who logged hours in F.U.N also play), content overlap on genres, categories, and storefront tags, and review-mined "vibe" embeddings that catch tonal similarity even when the genre label differs. No login required — these picks work anchor-only.

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!

ActionIndieCasualWindows · Linuxby DesignationX
F.U.N — Steam game cover

Players who liked F.U.N also play

Ranked by collaborative filtering across millions of Steam libraries plus content overlap on genres, tags, and developers.

  1. 1
    Gunlocked 2 — Steam game cover

    Gunlocked 2

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

    Movement is your weapon. A sci-fi action roguelike and shmup combined, in Gunlocked 2 you'll pilot and upgrade a state-of-the-art warship against endless waves of deadly aliens. Deep customization, branching paths, and tons of unlockables offer endless replayability!

    2026ActionIndieRPG11.99 USDDeck VerifiedSteam ↗
  2. 2
    Compadrone: Land Wars — Steam game cover

    Compadrone: Land Wars

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

    In this fast-paced roguelite arena shooter with tower-defense twists, control a drone capable of wielding multiple weapons and fight hordes of alien warbots. Collect resources and XP to unlock new weapons, towers, abilities, and drones.

    2025ActionIndieAdventure4.99 USDSteam ↗
  3. 3
    Homesider Survivors — Steam game cover

    Homesider Survivors

    Third-strongest match 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 ↗
  4. 4
    Gamba Gun — Steam game cover

    Gamba Gun

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

    Gamba Gun is the idiotic fusion of top-down shooter and deck building rogue-likes. Experiment with endless ammo combinations, and create powerful synergies to fight against a colorful cast of enemies.

    ActionStrategyIndieSteam ↗
  5. 5
    Underwater DuO — Steam game cover

    Underwater DuO

    Ranked #5 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.

    ActionIndieCasualSteam ↗
  6. 6
    Nelumbra — Steam game cover

    Nelumbra

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

    Trapped in a timeloop with no memories, you are the Light Bearer, fighting to uncover the truth - but at what cost? Harness rhytmic auto-attacks and dashes as light fades around you, raising tension with every move. Shape your power, rewrite your path, and embrace eternity or break free.

    2025ActionIndieRPG4.99 USDSteam ↗
  7. 7
    Boom Buddies — Steam game cover

    Boom Buddies

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

    Boom Buddies is a fixed-position bullet hell survival game where animal heroes face endless enemy waves, upgrade weapons through card choices, unlock new characters, and compete on global leaderboards.

    2026ActionIndieCasual2.99 USDSteam ↗
  8. 8
    Let Them Come: Onslaught — Steam game cover

    Let Them Come: Onslaught

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

    Survive the relentless offensive of the alien horde in Let Them Come: Onslaught, a sci-fi survival roguelite. The pursuit of the perfect build and an ever-expanding arsenal of abilities are the keys to your success.

    2025Action7.99 USDDeck VerifiedSteam ↗

Frequently asked about F.U.N

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 Gunlocked 2, Compadrone: Land Wars, Homesider Survivors.
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.

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

8 Games Like F.U.N — Ranked for 2026 · imho.run