Perform 5 consecutive kills without being spotted by an enemy

Reach the end of 'Onslaught' in the tank you started with

Destroy 5 helicopters

Complete 'Core', 'Paradise Lost', 'Exodus' and 'Reckoning' on Delta difficulty

Secure victory in the Battle of Lingshan

Kill 400 enemies

Escort Prophet to safety

Perform a kill with every firearm

Complete 'Assault', 'Onslaught' and 'Awakening' on Delta difficulty

Enter the mines

Complete all Secondary Objectives

Complete 6 Secondary Objectives