Use the down arrow or click on the bottom half of the game to go downward. Use the up arrow or click on the upper half of the screen to glide.
Ever heard of the game tiny wings for iphone? Well it has come to flash as dillo hills! You are a penguin, armadillo, squirl or turtle who wants to fly but doesn't have wings! You have to slide down the hills to build up speed and (hopefully) fly!