Earn at least one Star in Co-op.
Never trigger the alarm in 'Recon by Fire'.
Finish the Campaign on any difficulty.
Kill gassed or blinded enemies using a molotov, semtex and frag in 'Prison Break'.
Complete the CCTV sequence in 4 minutes.
Reach the barge without being seen in 'Wetwork'.
Kill the enemy in the porta-potty.
Shoot all the targets in the training area in 'Ghost Team'.
While affected by one flashbang kill two enemies in the Campaign or Co-op.
Kill 3 Enemies with the Riot Shield in the Campaign or Co-op.
Open three Safes in the Campaign.
Reach Price using the first vehicle you hijack.
In 'Dark Water' advance 90 meters of ship deck without touching the deck.
Reach the penthouse in 'El Sin Nombre' without killing anyone.
Drive 5 types of vehicles in 'Violence and Timing'.
Rescue the hostages in 'Countdown' without the enemies firing their weapons.
Finish 'Alone' without firing a gun.
Kill 3 enemies while underwater in 'Wetwork'
Finish all Campaign missions on Veteran or Realism difficulty.
Earn three Stars in 'Low Profile'.
Earn three Stars in 'Denied Area'.
Earn three Stars in 'Defender: Mt. Zaya'.
Complete 'Low Profile' without triggering any Alarms.
Find 20 intel fragments in Co-op.