Operation Quarterback
Complete Act 1
Operation Archangel
Complete Act 2
Left No Man Behind
Complete the game on Casual
My Rifle Is My Best Friend
Complete the game on Medium
Harvester Of Sorrow
Complete the game on Expert
Poking the Bush
Collect all secrets in Act 1
Keepsakes Of War
Collect all secrets in Act 2
In Search of Enlightenment
Collect all secrets in Act 3
Hazardous Materials
Kill three or more enemies by shooting a grenade
Death's Scythe
Take 50 headshots in single player
Nerves Of Steel
Achieve 100% accuracy in any single player mission
Balls Of Steel
Complete any single player mission without using med kits, but taking damage
Say Hello To My Little Friend
Kill 30 enemies using your sidearm
Psst, Don't Look Behind You
Kill 15 enemies with a stealth kill
Kill With Still
Kill 50 enemies while holding your breath
Distance Matters Not
Kill 20 enemies from a distance of 600m or greater
Fisher King
Kill 25 enemies using thermal or night vision goggles
Hangman's Knot
Nemesis
Laugh This Off
Back To School
Guardian Angel
Karma Chameleon
Worlds Apart
Take a successful shot from a distance of 1 km or greater
Solid Sandman
Bullets Can't Hurt Me
Complete any act without using medkits
I Never Bleed
Complete the Campaign using max one medkit per mission
Bloodstreak
Kill 25 opponents in multiplayer
Pure Ownage
Kill 50 opponents in multiplayer
The Sniper Elite
Kill 100 opponents in multiplayer
Kill That F**ing Band!
Take 25 headshots in multiplayer
Blood And Tears
Take 50 headshots in multiplayer
Unhappy Camper
Kill 10 opponents in multiplayer using your sidearm
U Can't Touch This
Win 5 rounds in a row in Team Deathmatch
Wrath Child
Win 10 Team Deathmatch rounds
Death Dealer
Win 25 Team Deathmatch rounds
Everything But The Kitchen Sink
In one multiplayer round kill an opponent with a sniper rifle, sidearm and melee attack
World Warrior
Participate in any multiplayer match