Paper Druids

In one world, you are a group of druids defending a grove from trespassers. Nature's wrath shall come upon those who do not belong; from their corpses, the earth shall spring anew. In another, you're a group of friends on a lonely winter evening, having decided to have some fun with some graph paper and pens. How long can you defend this grove? !!! The game appears to be currently broken when runn…