Idle Evolution Game

Shepherd's
Cells

Grow  ·  Split  ·  Evolve

Guide a living cell colony through a deep-ocean world. Split your cells, build an immune system, and keep your colony alive against disease, infection, and viruses.

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A colony that lives and breathes

Grow Your Colony

Cells split automatically on a timer, consuming glucose and oxygen collected by your red blood cells. The bigger your colony, the more DNA you earn — up to 2,048 cells.

Capture Neutral Cells

Hold your capture ring over a wandering neutral cell for 5 seconds to absorb it. Every capture grows your colony and rewards DNA.

Survive Disease & Viruses

40% of new cells are born faulty and spread sickness. Ten virus types stalk your colony as it grows, infecting cells and draining DNA. React fast or lose everything.

Build Your Immune System

Deploy T-Cells to hunt threats, Antibodies to identify and tag viruses, and Stem Cells to accelerate growth. Unlock talents to make your colony tougher.

Ready to start your colony?

Free to play in any modern browser. No download, no account.

Play Beta