Earn all other trophies
Spot a mine which is later defused by another Engineer
As a Medic, using the Transfer Supplies ability, give the last of your Supplies away
Reveal an enemy in disguise
Take down an enemy with a Satchel Charge
Take down an enemy with a Cortex Bomb
Upgrade your team's Command Post
Reach Rank 5
Collect all Audio Logs
Disarm an HE charge
Complete an Operative Primary Objective within 5 seconds of breaking disguise
While on offense, win the match in less than 30% of the time limit.
Detonate a HE Charge
Complete all 3 Star Challenges
Complete all 1 Star Challenges
Win every Security campaign mission, including What-If missions
Win all storyline campaign missions (not including What-If missions) playing either Online Versus, or in Hard mode
Win both story campaigns (not including What-If missions)
Win all main missions of the Security campaign (not including What-If missions)
While on defense, take down an attacker who's completing a Primary Objective
Open a shortcut for your team
Win every Resistance campaign mission, including What-If missions
Take down an enemy by shooting a grenade
Close an enemy team's shortcut
Win all main missions of the Resistance campaign (not including What-If missions)
Take down an enemy with a mine
Capture an enemy's Command Post
While on defense, prevent the attackers from completing their first objective
Take down an enemy with gunfire while knocked down
Complete your first 3 Star Challenge
Reach Rank 2
Complete your first 1 Star Challenge
Win any mission, whether campaign or What-If
Complete an objective after first selecting it on the Objective Wheel
Attempt to Revive an objective-class teammate over a non-objective teammate near a Primary Objective
Revive yourself
Use the last of your Supplies to refill a teammate's ammo rather than your own
