Unlock Microsoft Gamerscore points, by completing the following Achievements.

Achievement	How to unlock
Block Smasher ( 15 points )	Smash 50 000 blocks.
Boom Boom! ( 5 points )	Unlock a new bird type.
Defeat of The King ( 10 points )	Finish Episode 1.
Egg Hunter ( 10 points )	Find 10 golden eggs.
Episode 1 - Total Destruction ( 15 points )	Episode 1: Get three stars in all levels.
Episode 2 - Total Destruction ( 15 points )	Episode 2: Get three stars in all levels.
Episode 3 - Total Destruction ( 15 points )	Episode 3: Get three stars in all levels.
Green Baron ( 10 points )	Finish Episode 3.
Icepicker ( 10 points )	Smash 5000 ice blocks.
Just Getting Started ( 15 points )	Finish World 1.
Mother of all Bombs ( 5 points )	Unlock a new bird type.
Pig Popper ( 10 points )	Smash 1000 pigs.
Return to Sender ( 5 points )	Unlock a new bird type.
Seeing Red ( 5 points )	Unlock a new bird type.
Smash Maniac ( 15 points )	Smash 250 000 blocks.
Speed is the Essence ( 5 points )	Unlock a new bird type.
Split it! ( 5 points )	Unlock a new bird type.
Stonecutter ( 10 points )	Smash 5000 stone blocks.
The Mysterious Escape ( 10 points )	Finish Episode 2.
Woodpecker ( 10 points )	Smash 5000 wooden blocks.