Complete the following achievements to unlock Xbox Live Gamerscore points.

Achievement	How to unlock
3rd Grade ( 15 points )	Use a paper airplane.
Accelerate Your Hero ( 25 points )	Complete Episode 3.
Boo-Ya! ( 10 points )	Use the dynamite.
Buddha Says ( 15 points )	Complete Episode 2.
Choice is Good ( 25 points )	Receive both endings.
Complete The Game ( 25 points )	Rescue Alissa and complete the game.
Orange Bull ( 10 points )	Use the Iced Tea to restore your health.
Points I ( 10 points )	Score 10,000 points.
Points II ( 15 points )	Score 30,000 points.
Points III ( 25 points )	Score 50,000 points.
Rats! ( 10 points )	Rescue and pick up Roadkill.
Unknown Territory ( 15 points )	Finish the first page.