Win your first multiplayer game.

Get your first kill in multiplayer.

Defeat the mech in "Harvest Season"

Complete mission 1: "Homecoming"

Kill an enemy with a melee attack.

Complete the game on HARD difficulty.

20 or more kills with a single Hammerfist dive attack.

Complete the game.

Destroy 5 helicopters using Pack Leader.

Find all BlackBoxes.

10 or more kills using a single Bio-Bomb.

Destroy 10 Blackwatch tanks, APCs or helicopters using a single hijacked tank or APC.