Complete the following achievements to unlock Xbox Live Gamerscore points.

Achievement	How to unlock
Completionist ( 20 points )	The player has completed all of the Big Thrills tracks.
Detour ( 15 points )	Used a jetpack to sneak into the Secret Base undetected.
Donkey Challenge ( 15 points )	The player has completed 'Barrel of Laughs' faultlessly using the Micro Donkey bike.