Be the best colony - grow quickly and stay alive...
a) Be part of an ant colony.
b) Tap your scurrying ant through the level to collect food.
c) Protect your colony from invading worms that roam the level.
d) Leave a pheromone scent on food sources so the colony can find them.
e) Keep going until your colony has grown to 100 worker ants.
f) Be competitive by beating the highest score from around the world.
g) The less damage your colony has gotten, the more points you get for finishing.
h) Experiment with fast and slow gameplay speeds and see how well you can manage your colony.
i,j,k...) Most importantly, keep the queen alive...