Kill an enemy while blinded by a flashbang in the single player campaign.

Stab an injured crawling enemy.

Destroy all the TVs showing Al-Asad's speech.

Kill the power.

Complete 'F.N.G.'.

Finish 'Final Inferno'

Dual wield Revolvers

Finish 'Ghost Town'

Have picked up all weapons

Get 100 headshots

Blast off 100 limbs

Reach multiplier x8

Hit three or more targets with a blast from the shotgun