Over the Hill

Reach experience level 50 in Multiplayer

Weapon Expert

Complete an expert challenge for any weapon in Multiplayer

Let 'em Burn

Don't kill any of the enemies that are on fire in Chapter 3: Fire Sale

Welcome to Freedom

Talk at least once to each inhabitant of Oasis in Chapter 2: Freedom

Iron Man - Why We Fight

Complete chapter 1 in the Single Player Campaign without dying or restarting a checkpoint

Golden Gate

Complete chapter 7 in the Single Player Campaign

Soft Targets

Destroy all vehicles using the UAV in Chapter 7: Golden Gate

Overwatch

Complete chapter 6 in the Single Player Campaign

Safer Skies

Destroy all the SAM trucks in the level in Chapter 6: Overwatch

Speed Demon

Hijack the tankers in less than 8 minutes in one life in Chapter 6: Overwatch

Heartland

Complete chapter 5 in the Single Player Campaign

Stairway to Heaven

From the front door of the church, make it to the crow’s nest in 240 seconds in Chapter 5: Heartland

The Wall

Complete chapter 4 in the Single Player Campaign

Fire Sale

Complete chapter 3 in the Single Player Campaign

Freedom

Complete chapter 2 in the Single Player Campaign

Good Use of Cover

Destroy the first sentry without taking any damage in Chapter 2: Freedom

Why We Fight

Complete chapter 1 in the Single Player Campaign

Chronicler

Find the first of 61 news pickups