Achievements
Angry Birds Addict - Play Angry Birds for 30 hours.
Angry Birds Fan - Play Angry Birds for 5 hours.
Backward Compatibility - Shoot 10 birds in the wrong direction.
Bird Slinger - Shoot 5,000 birds.
Block Smasher - Smash 50,000 blocks.
Defeat The King - Finish World 3.
Egg Cracker - Get 10 golden egg stars.
Egg Hunter - Find 10 golden eggs.
Episode 1 - Score Addict - Episode 1 - Get 4,000,000 points.
Episode 1 - Total Destruction - Episode 1 - Get three stars in all levels.
Episode 2 - Score Addict - Episode 2 - Get 3,300,000 points.
Episode 2 - Total Destruction - Episode 2 - Get three stars in all levels.
Episode 3 - Score Addict - Episode 3 - Get 4,800,000 points.
Episode 3 - Total Destruction - Episode 3 - Get three stars in all levels.
Episode 4 - Score Addict - Episode 4 - Get 3,900,000 points.
Episode 4 - Total Destruction - Episode 4 - Get three stars in all levels.
Green Baron - Finish World 8.
Hardhat Hidalgo - Finish World 9.
Herr Helmet - Finish World 1.
Hovering Helmet - Finish World 6.
Icepicker - Smash 5,000 ice blocks.
Mason Moustache - Finish World 10.
Mounting Moustache - Finish World 7.
Mr. Moustache - FInish World 2.
Pig Popper - Smash 1,000 pigs.
Royal Ringleader - Finish World 11.
Smash Maniac - Smash 500,000 blocks.
Star Collector - Get 750 Stars.
Star Gatherer - Get 1,500 Stars.
Stonecutter - Smash 5,000 stone blocks.
The Imposter - Finish World 4.
The Mysterious Escape - Finish World 5.
True Angry Birds Fan - Play Angry Birds for 15 hours.
Woodpecker - Smash 5,000 wooden blocks.
Unlock Golden Eggs Hidden Levels
Golden Egg 01 - Get 3 stars in every level worlds 4-5.
Golden Egg 02 - In the level select screen, tap the sun.
Golden Egg 03 - Watch the credits, tap the Golden Egg at the very end.
Golden Egg 04 - Within any level, go to the help screen. Tap the egg at the end.
Golden Egg 05 - In Level 1-8, tap the unreachable chest.
Golden Egg 06 - In Level 2-2, break the beach ball.
Golden Egg 07 - In Level 4-7,tap the egg at the very top right of the map (zoom out).
Golden Egg 08 - In Level 5-19, it's hiding on the top right of the left tower.
Golden Egg 09 - In Level 6-14, pop the yellow balloon.
Golden Egg 10 - On level 6-14 pop the yellow balloon in the lower right corner.
Golden Egg 11 - On theme 8's level page, swipe your finger right to left to reveal a golden egg where theme 9 would be.
Golden Egg 12 - Get 3 stars for every level in "Danger Above" (themes 6-8).
Golden Egg 13 - On level 8-15 break the boxes in the far left corner.
Golden Egg 14 - On 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 - On level 10-3, smash the rubber ducky.
Golden Egg 16 - On level 11-15, zoom out completely to see the egg in the bottom left corner. Use the boomerang bird fired backwards.
Golden Egg 17 - Get 3 stars in all levels on The Big Setup.
Sound Board - Get 3 stars in every level worlds 1-3.
Unlock Completion Bonus
Successfully complete the game to unlock all birds and the extras.