61%Good matchBPM: BULLETS PER MINUTE
92%9k92% positive reviews, Very Positive across 9k reviews·FPS · Rhythm
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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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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.

Created by Brady Soglin. Art by Anna Cich & Jackie Lombard. Sounds by Dylan Payne & Bobby Volpendesta.
Steam data © 2026 Valve Corporation. Trademarks are property of their respective owners.
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The best games like biorhythm are BPM: BULLETS PER MINUTE, Swarm Grinder, Blood Feed, Rhythm Fighter, and Miasmata.
50%+Good matches