The ground is a fragment shader bred by the Rorschach Lab, drawn and then read back to the CPU as a height field. The links above are cells on it: where they sit, how they move, what colour they take and how far they answer to the pointer are one genome, bred here against how quickly you find what you came for. Contrast, spacing, hit area and top speed are not genetic and are corrected every frame. Nothing is sent anywhere; the population lives in this browser.