You are bacteria, lost in the human bloodstream. Explore, fight, and uncover the mystery of your new home to the beat of the heart.
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Play biorhythm

Free To Play
 

About This Game

In biorhythm, you play as bacteria lost in the human body. As the heart beats, everything in the body moves to the rhythm. You'll swim through the bloodstream to the beat, exploring, fighting other microbes, and duplicating yourself as you go.

As the progression of your lifecycle weakens the body, you'll face terrifying challenges; vicious microbes, hungering white blood cells, intense fever.

The game runs 2.5 - 3 hours. It features hand-painted art, an orchestral score, and a thrilling story.



  • Grow a swarm of bacteria and explore the human body at a microscopic scale
  • Encounter strange microbes & fearsome white blood cells
  • Live as an outsider in a vast, incomprehensible system

Created by Brady Soglin. Art by Anna Cich & Jackie Lombard. Sounds by Dylan Payne & Bobby Volpendesta.

System Requirements

Windows
macOS
    Minimum:
    • OS *: Windows 7
    • Processor: 2.3 GHz
    • Memory: 8 GB RAM
    • Graphics: DirectX 11 compatible video card
    • DirectX: Version 11
    • Storage: 400 MB available space
    • Sound Card: a sound card
* Starting January 1st, 2024, the Steam Client will only support Windows 10 and later versions.
    Minimum:
    • OS: OSX Yosemite
    • Processor: 1.8 GHz
    • Memory: 4 GB RAM
    • Graphics: Intel HD Graphics 4000 1024 MB or equivalent
    • Storage: 400 MB available space
    • Sound Card: a sound card
    • Additional Notes: tested on macbook >=2012 & macbook pro >= 2010

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