You are a single cell dropped into a petri dish. Everything here wants the same nutrients. Use real biology — and survive whatever the environment throws at you — to take over the dish.
Move: mouse / touch, or WASD · Eat anything 25% smaller than you · Avoid bigger cells and phages · Space go dormant · E antibiotic burst (once evolved) · P pause
Every so often the dish changes: UV bursts, heat shock, antibiotic floods, acid spills, nutrient blooms and contamination. Grow to earn adaptations that let you shrug them off.
Mutation!
Natural selection offers three adaptations. Pick one — your whole lineage inherits it.