Find the pilot's last recording in the crater of destroyed buildings.
Find a secret someone was trying to rebuild.
Take care of Outpost 31 once and for all.
Prove to pierce you aren't infected.
Find a way into the comm room on the Norwegian base.
Defend your position until it is overrun.
Meet pierce at the top of the weather station.
Face your first thing monstrosity and come out alive.
Face your first thing monstrosity and come out alive on Hard difficulty.
Survive the first half of the underground research lab.
Rescue Farraday from the research lab.
Escape the medical lab.
Encounter the second thing monstrosity and survive.
Encounter the second thing monstrosity and survive on Hard difficulty.
Rescue the engineer in the hangar.
Blow up all the cargo planes and escape the hangar.
Get through the gauntlet and to the armory.
Encounter your third thing monstrosity and survive.
Encounter your third thing monstrosity and survive on Hard difficulty.
Escape the weapons lab.
Push your way through Whitely's army.
Kill Whitely.
Kill Whitely on Hard difficulty.