: A known method to get high-star birds (5 or 6 stars) for free involves a series of steps in the game menus: Consume all your energy.
Tap the button for your current level until the "not enough energy" screen appears. Angry Birds Evolution Hack
: For consistent rewards in Eagle Mountain, some players suggest sticking to a single door (like the third door) until you are captured. This method can sometimes help players reach floor 20 more reliably. : A known method to get high-star birds