Accomplish the indicated achievement to get the corresponding number of 
Gamerscore points:

Acquired "A" Ranking (50 points): Aquire an "A" ranking. 
Acquired "S" Ranking (100 points): Aquire an "S" ranking. 
Acquired "SS" Ranking (150 points): Aquire an "SS" ranking. 
Main Part Cleared (100 points): Clear the main story. 
VS 10 (10 points): In a ranked match, play 10 VS mode matches against the opposition. 
VS 100(150 points): In a ranked match, play 100 VS mode matches against the opposition. 
VS 20 (20 points): In a ranked match, play 20 VS mode matches against the opposition. 
VS 30 (30 points): In a ranked match, play 30 VS mode matches against the opposition. 
VS 40 (40 points): In a ranked match, play 40 VS mode matches against the opposition. 
VS 50 (50 points): In a ranked match, play 50 VS mode matches against the opposition