Complete the “Outbreak” mission on Normal difficulty before the 5th night.
Kill 250 additional Zerg units in the “In Utter Darkness” mission on Normal difficulty.
Complete “The Evacuation” mission on Normal difficulty without losing a Transport Truck.
Kill the Brutalisk in the “Piercing the Shroud” mission without losing a unit to the Brutalisk on Normal difficulty.
Complete 15 missions in the Wings of Liberty campaign on hard difficulty.
