Complete the following achievements to unlock Xbox Live Gamerscore points.

Achievement	How to unlock
A Friend in Need (40 points)	Rescued Tom.
A Time to Make Friends (40 points)	Talked to Samantha at Headquarters.
After Dark (40 points)	Made it through the club area at the Atlantis.
Enjoy Nature (40 points)	Visited the Geoforge Parks.
Kiss From a Rose (70 points)	Rescued Rose.
Revenge! (70 points)	Pursued Samantha.