Petri Dish

Two species, simple rules, no script. Watch what emerges.

PreySmall and fast. Eat food, flock, reproduce when well fed.
Predators Larger and slower. Hunt prey, starve without them.
FoodTiny specks that drift in from the rim of the dish.

Controls

1.00x
0.25x4x

Populations boom, crash, and settle on their own. Every run is different.