Hack the system (Complete "Clockwork" on any difficulty.)

Make it out alive (Complete "The Hunted" on any difficulty.)

Gather intel on Rorke. (Complete "Federation Day" on any difficulty.)

Defend LA. (Complete "Homecoming" on any difficulty.)

Make it to San Diego. (Complete "No Man's Land" on any difficulty.)

Take down both attack helicopters.

Kill your first enemy in the Call of Duty® Ghosts campaign.

Clear the "Eliminate the Renegade Threat" Side Op by extracting both targets

In the "Ground Zeroes" mission, rescue the prisoner to be executed and extract him via chopper

Clear any mission (including Side Ops and Extra Ops) with a S-rank

Reunite with Chico or Paz

Complete the story with four characters alive

Save Shaun