Protect Francesca.

Win a round of either Rush or Conquest on all four Vietnam levels

Get 20 kills with the flamethrower

Deploy a Road Block which then gets hit by a Racer

Fill the Nitrous bar then use it all in one go without hitting anything

Create a 'New Post' or 'Write a Reply' on the Wall

Bust a Racer

Finish first on the scoreboard on any Vietnam level

Collect An Armor Piece

Unlock Puzzle mode

Complete the B License.

Play two hours of Objective Raid

Find all the hidden intel.