Defeat a Visitor by pulling out its core.

Spend your first Supply Point.

Good luck out there, you're gunna need it.

Complete a level while getting at least 50 kills with melee weapons.

Revive a fallen teammate.

Complete a map without ever triggering a horde from Reekers, Birds, Snitches, or alarms.

Complete "Diplomatic Immunity"

Collect all of Maria's diary entries

Escape with Anna

Start the pump

Open the vault

Landed 100 complete attack chains.