The Last Stand: Aftermath

Unlocked all trophies in the game

Open the gates at the HERC checkpoint

Activate the radio tower

Lower the bridge in Leighton City

Complete the main quest line

Complete 5 Runs

Reach The Mountains

Reach The Sunken City

Reach Hell

Reach Level 100

Spend Knowledge points to max out a skill upgrade

Kill a Charger

Kill a Flamer

Kill an Armored Charger

Kill 1000 Infected

Discover the modified HERC device

Complete the tutorial

Survive in No Man's Land

Reach Level 10

Reach Level 50

Kill a Volunteer

Died 10 times

Trigger a trap, with fatal consequences

Acquire a mutation

Kill a Spitter

Kill a Leaper

Kill a Burster

Survive a Horde

Interact with a Supply Cache

Collect 100 Knowledge

Craft an item at a crafting station

Craft 25 items at a crafting stations

Craft an improvised weapon

Purchase an item from the travelling merchant

Collect 25 Supply Bags

Use Antiviral 25 times