We design this simple game for easy to play and try to make you feel relax when play.You only touch on screen to make bird fly up or down over the top of tree and try to record as more as possible score if you can.each time you pass a top of a tree you will get 1 point.pls control bird avoid top of tree .when you make bird collide with the top of the tree game will be over.that all.we hope this game will make you feel relax.thanks for your download.