Achievements
Complete the following achievements to unlock Xbox Live Gamerscore points:
Duty accomplishment ratio 100% (200) - Clear 100% missions
Duty accomplishment ratio 20% (50) - Clear 20% missions
Duty accomplishment ratio 40% (75) - Clear 40% missions
Duty accomplishment ratio 60% (100) - Clear 60% missions
Duty accomplishment ratio 80% (125) - Clear 80% missions
UNKNOWN-1 Defeat (100) - Defeat Unknown-1
UNKNOWN-2 Defeat (150) - Defeat Unknown-2
UNKNOWN-3 Defeat (200) - Defeat Unknown-3