Earn three Stars in 'Denied Area'.

Earn three Stars in 'Low Profile'.

Earn at least one Star in Co-op.

Kill gassed or blinded enemies using a Molotov, Semtex and Frag in 'Prison Break'.

Kill three Enemies with the Riot Shield in the Campaign or in Co-op.

In 'Dark Water' advance 90 meters towards the front of the ship without touching the deck.

Reach Price using the first vehicle you hijack.

Reach the penthouse in 'El Sin Nombre' without killing anyone or triggering the alarm.

Finish 'Alone' without firing a gun.

Shoot three enemies while underwater in 'Wetwork'.

Finish the Campaign on any difficulty.

Customize your dog tags.