Save Pvt. Roycewicz on the stairs.

Kill the power.

Complete 'F.N.G.'.

Defeat 4 enemies with the vehicle in 20 seconds

Destroy 10 vehicles while being dragged from the rope

Defeat 1000 enemies

Complete the game on Normal +

Give your first Like.

Completed any Driving School challenge at least one second faster than the Gold time

Earned Gold in all Pylon challenges in Mission Challenge

Pull 20 enemies over when hanging from a ledge

Perform 10 combo buddy takedowns

Met someone on a bridge.