You are a poor caterpillar. So you go looking for loose change. But each time you pick up some, you need to grow a new segment to carry it with. But you need to keep moving, because it is chilly outside and you forgot your jacket. Move using the arrow keys. The only way to die is to cross your own trail. The game will stop you from turning 180 degrees (into your tail) and from going into the edge. 1 word: DOWNLOAD. Or. Else. The. Game. Will. Not. Work. Well. Don't say I didn't warn you.