Drag orbit · Scroll zoom · WASD pan
Space pause · Tab fast · M colonies
E gene edit · Click cell · Esc new game
MY COLONIES
Your colonies are saved automatically. Resume any session below.
Auto-saved every 200 ticks · Export for lab reports
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ATP Siege
3.8 BILLION YEARS AGO
Life has not yet conquered the seas. No fish, no plants, no oxygen in the atmosphere.
You are a colony of single-celled organisms — the first life on Earth. You have no brain,
no body, no purpose except to survive, divide, and evolve.
Every gene you express is real. Every ATP cost comes from published biochemistry.
The viruses that attack you are real phages. The endosymbiosis that gives you mitochondria
— that really happened, 1.5 billion years ago, and it changed everything.
"Nothing in biology makes sense except in the light of evolution." — Theodosius Dobzhansky
Build the genome. Spend the ATP. Survive the siege. Save your colony and track learning progress across devices.