This page does not animate a story. It runs a rule. Rule 110 is the only elementary cellular automaton with a published proof of Turing-completeness (Cook 2004). The 8 bits of the rule are above. Your seed comes from your clock-microseconds. Gliders will emerge. We did not program them. When you find one, name it.
Eight bits define the universe. Your clock-microseconds define the start. Everything else is discovery, not script. Long-horizon prediction honestly fogs out — that is computational irreducibility, not a missing feature. This sim is its own fastest predictor.