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

Mission 1 Clear (10 points): Clear the 1st mission.
Mission 2 Clear (10 points): Clear the 2nd mission.
Mission 3 Clear (10 points): Clear the 3rd mission.
Mission 4 Clear (10 points): Clear the 4th mission.
Mission 5 Clear (10 points): Clear the 5th mission.
Mission 6 Clear (10 points): Clear the 6th mission.
Mission 7 Clear (10 points): Clear the 7th mission.
Mission All Clear (30 points): Clear all the missions.
Metal Slug XX Master (50 points): Clear all the missions without continue.
Frontal Attack (15 points): Use a frontal attack to kill boss.
100 MORDEN Soldiers (15 points): The 100 hiden MORDEN soldiers appear.
The Paths of Fate (20 points): Find all the paths.