In the context of two cliffs, new birds that have just learned to fly will fly from one side to the other, but because they have just learned to fly, they will be able to fly randomly for a period of time when they will fall, the players task is to touch the bottom of the birds (Has a push effect) to create thrust to help them fly up and over the cliff, pass a bird to gain points, fall or crash into the mountain minus 1 life, total 3 lives
Win condition: compare the score with the high score of the mode
Losing condition: all 3 lives
The game has 2 modes
Normal: the frequency of birds appearing gradually increases
Hard: the frequency of birds appearing increases gradually, there are birds hit by bombs, the player must push it away from other birds before it explodes