Win all main missions of the Resistance campaign (not including What-If missions)

Complete all 1 Star Challenges

Open a shortcut for your team

Detonate a HE Charge

Use the last of your Supplies to refill a teammate's ammo rather than your own

Complete an objective after first selecting it on the Objective Wheel

Complete your first 1 Star Challenge

Get the opportunity to kill Abbott.

Find Pope Joe and let him perform the eye shine surgery.

Find Rust and kill him.

Complete Act 3 of the campaign

You discovered what Knox's Rule #3 is

Destroy an enemy vehicle with the FGM-148 Anti Tank Weapon