Complete the conditions to unlock the hidden Golden Egg levels.

Sound Board        - Get 3 stars in every level worlds 1-3
Golden Egg Level 1 - Get 3 stars in every level worlds 4-5
Golden Egg Level 2 - In the level select screen, tap the sun
Golden Egg Level 3 - Watch the credits, tap the Golden Egg at the very end
Golden Egg Level 4 - Within any level, go to the help screen. Tap the egg at the end
Golden Egg Level 5 - In Level 1-8, tap the unreachable chest
Golden Egg Level 6 - In Level 2-2, break the beach ball
Golden Egg Level 7 - In Level 4-7,tap the egg at the very top right of the map 
                     (zoom out)
Golden Egg Level 8 - In Level 5-19, it's hiding on the top right of the left tower
Golden Egg Level 9 - In Level 6-14, pop the yellow balloon
Golden Egg 10      - In level 6-14 bust the yellow balloon in the lower right corner
Golden Egg 11      - In theme 8's level page, brush the screen right to left to reveal
                     a golden egg.
Golden Egg 12      - Get 3 stars for every level in Danger Above
Golden Egg 13      - In level 8-15 break the boxes in the far left corner
Golden Egg 14      - In level 9-14 fire the boomerang bird at the hat on the far right 
                     side of the screen on the small cliff.
Golden Egg 15      - Bust the rubber duck in the bottom left side In 10-3
Golden Egg 16      - Get three stars on all levels in the Big Setup