IMHO.

Games like Immune Response

If Immune Response is your kind of game, the closest matches are Zap Blastum, Nectar Wars and Doctor Nanobot — 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 Immune Response: An exciting twin-stick shooter with a progressively increasing difficulty. Fight waves of pathogenic enemies, face difficult boss fights and survive for as long as you can!

ActionIndieWindowsby Merced Entertainment
Immune Response — Steam game cover

Players who liked Immune Response also play

Steam players who put hours into Immune Response 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. Zap Blastum

    WHY THIS

    Top pick for Immune Response fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Immune Response.

    Zap always dreamed of saving the galaxy, and now it's time! Snap into cover, lock onto targets, and outsmart an army of robots in this fast-paced top-down cover shooter. The odds are against you, but anyone can be a hero.

    2026ActionStrategyIndieSteam ↗
  2. Nectar Wars

    WHY THIS

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

    An explosive Shoot ‘Em Up like no other, Nectar focuses on five hummingbird sisters, each with their own playstyle. Defeat powerful bosses, unlock new cosmetics, compete in online leaderboards, and save your world from the invading bee army!

    2022ActionIndie7.99 USDSteam ↗
  3. Doctor Nanobot

    WHY THIS

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

    Small robot, big battles! Doctor Nanobot is a retro style arcade shooter where you take on bacteria, viruses and more using a variety of high tech medical weaponry!

    2022ActionIndie2.99 USDSteam ↗
  4. #Funtime

    WHY THIS

    Ranked #4 for Immune Response fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Immune Response.

    #Funtime is an explosive twin-stick shooter where shooting isn't your only weapon. Swap your ship's color to destroy enemies, avoid damage, and ultimately control the battlefield.

    2020ActionIndieCasual14.99 USDDeck PlayableSteam ↗
  5. Plasma Sky

    WHY THIS

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

    Each week, every pilot on Earth flies the same new seeded run: identical enemies, identical drops, pure skill. Flow through alien formations, arm your wingmen, and grab power-ups when you can. Out-score your friends and race your best run in this handcrafted arcade shmup. Blast into the neon sky!

    2027ActionIndieSteam ↗
  6. Project Nebula

    WHY THIS

    Ranked #6 for Immune Response fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Immune Response.

    An explosive arcade arena shooter inspired by the golden age of Amiga classics. Blast through asteroid fields, destroy alien forces, upgrade your ship, and unleash devastating weapons in a modern reimagining of a timeless genre.

    ActionIndieSteam ↗
  7. Genome Guardian 2

    WHY THIS

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

    COMBINE WEAPONS in the microscopic shooter with macroscopic depth. BUILD YOUR NANOBOT from hundreds of parts. SURVIVE the microbial onslaught once more in this psychedelic dive to the Abyss, full of mutations, minerals, anomalies and powerup polyps. SHMUP mode turns it into a vertical shoot 'em up!

    2026ActionIndieRPG15.99 USDDeck PlayableSteam ↗
  8. Starfighter Neon

    WHY THIS

    Ranked #8 for Immune Response fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Immune Response.

    You've been dropped into enemy space. Weave your Starfighter between alien spaceships, lasers, asteroids and bombs destroying as many as you can and collecting valuable coins and powerups as you go.

    2017ActionIndie0.99 USDSteam ↗

Free alternatives

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

  1. Life is Strange - Episode 1

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action with Immune Response.

    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 ↗
  2. Bongo Cat

    WHY THIS

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

    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. 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 Immune Response.

    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 Immune Response.

    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. Sheepy: A Short Adventure

    WHY THIS

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

    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 ↗
  6. Awaria

    WHY THIS

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

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

    2024ActionIndieFree To PlayFreeDeck PlayableSteam ↗
  7. Virtual Cottage

    WHY THIS

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

    Virtual Cottage gives you a comfy place to rest and be productive without any distractions. Open the game, set yourself a goal and enjoy the atmosphere.

    2020IndieSimulationFree To PlayFreeDeck PlayableSteam ↗
  8. The Expendabros

    WHY THIS

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

    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 ↗

Frequently asked about Immune Response

What games are most similar to Immune Response?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Immune Response are Zap Blastum, Nectar Wars, Doctor Nanobot.
Who developed Immune Response?
Immune Response was developed by Merced Entertainment.

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 Immune Response.

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