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

Moon Traveller (25 points): Visit all areas in all stages.
Chain Kill Master (15 points): Achieve a Chain Kill of 100 or more.
Overprotective (10 points): Save your companions 10 times in a single game.
Act. 1 CLEAR (5 points): Clear Stages 1-4.
Act. 2 CLEAR (10 points): Clear Stages 5-8.
Act. 3 CLEAR (15 points): Clear Stages 9-12.
3P MC Practise (10 points): Use 10 different 3P MC techniques.
4P MC Training (10 points): Use 10 different 4P MC techniques.
Battle Master (20 points): Defeat 10,000 enemies.
Level Maniac (50 points): Raise the average level of all characters to level 50.
MC Collector (20 points): Collect 50 MC techniques.
2P MC Drill (10 points): Use 10 different 2P MC techniques.