Complete every mission in "Brutal mode"
Complete mission : 2nd Life
Complete mission : Trapped
Complete mission : Hidden Cargo
Complete mission : Redemption
Complete a mission without taking damage
Complete mission : Ghost of the Past
Complete mission : On the Trail
Complete mission : Back to School
Complete mission : The Tower
Complete mission: The Bomber
Kill 100 enemies with only head shots
Kill 100 enemies with pistol only
Kill 100 enemies with rifle only
Kill Total of 500 enemies
Kill 50 enemies with explosive barrels/generators
Kill 50 enemies with Grenades
Kill 50 enemies with mines
Kill 50 enemies with sniper only
Kill 50 enemies with take downs or melee attacks
Find all the intel documents in the game
Complete a mission without being detected
Get 100% accuracy in sniper training
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