Humanity’s war against microbes has raged for millions of years. Now, this battle of evolution will be decided in just a few minutes—evolve your immune system and fight back against waves of ever-mutating bacteria and viruses!

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Planned Release Date: To be announced

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About This Game

In Germ Swarm, you command the human immune system from a microscopic perspective, battling waves of bacteria, viruses, and other pathogens as infection spreads throughout the host.

Fight Ever-Mutating Pathogens

As an infection progresses, they continuously adapt and mutate in response to conditions inside the host:

  • Faster replication

  • Greater survivability

  • Increased mobility

  • Drug resistance

  • Cooperative swarm behaviors

  • Special mutations such as neurotoxin production

  • Unique pathogen bosses with distinct mechanics

Recover genetic fragments from defeated pathogen bosses, study their mutations and evolutionary adaptations, and turn their traits into powerful upgrades for your immune system.

Evolve Your Immune System

Unlock new immune cells, antibodies, and biological interventions to forge your own evolutionary path.

Inspired by real immunology, systems such as antigen presentation, immune memory, antibody production, and immune cell recruitment can all influence the course of battle.

As the game progresses, you will gain access to increasingly advanced medical interventions, including pharmaceuticals, vaccines, radiation therapy, and bacteriophage therapy, providing additional tools to combat ever-mutating pathogens.

⚠️ Contains large numbers of bacteria, viruses, and microscopic biological imagery that may be uncomfortable for players with trypophobia.

AI Generated Content Disclosure

The developers describe how their game uses AI Generated Content like this:

AI has been used to generate sprites.

System Requirements

Windows
macOS
    Minimum:
    • OS: Win10
    • Memory: 8 GB RAM
    Recommended:
    • OS: Win10
    • Memory: 16 GB RAM
    Minimum:
    • OS: macOS 10.15
    • Processor: Intel Core i5 or Apple M1
    • Memory: 4 GB RAM
    Recommended:
    • OS: macOS 11 Big Sur
    • Memory: 8 GB RAM
* Starting February 15, 2024, the Steam Client will no longer support 32-bit games or macOS 10.14 or lower.
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