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

Win any mission, whether campaign or What-If

While on defense, take down an attacker who's completing a Primary Objective

Take down an enemy with gunfire while knocked down

While on defense, prevent the attackers from completing their first objective

Complete an objective after first selecting it on the Objective Wheel

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

Complete Story Mode 50%

Spill 10000 pints of blood

Complete Arcade Ladder with Any Fighter

Complete Tutorial Mode

Knife an enemy without him ever knowing you were there in Single Player or Special Ops.

Defeat Straga