Achievements
Complete each achievement to get the allotted gamerscore:
Extreme Level 1 Completed (6) - Complete arcade extreme level 1 to win this achievement.
Extreme Level 100 Completed (50) - Complete arcade extreme level 100 to win this achievement.
Extreme Level 20 Completed (12) - Complete arcade extreme level 20 to win this achievement.
Extreme Level 50 Completed (25) - Complete arcade extreme level 50 to win this achievement.
Hard Level 1 Completed (4) - Complete arcade hard level 1 to win this achievement.
Hard Level 100 Completed (32) - Complete arcade hard level 100 to win this achievement.
Hard Level 20 Completed (8) - Complete arcade hard level 20 to win this achievement.
Hard Level 50 Completed (18) - Complete arcade hard level 50 to win this achievement.
Normal Level 1 Completed (3) - Complete arcade normal level 1 to win this achievement.
Normal Level 100 Completed (24) - Complete arcade normal level 100 to win this achievement.
Normal Level 20 Completed (6) - Complete arcade normal level 20 to win this achievement.
Normal Level 50 Completed (12) - Complete arcade normal level 50 to win this achievement.