If You complete the indicated task You'll unlock the corresponding accomplishment.
The Geek - Complete the game on Recruits difficulty.
Demo Dick - Complete the game on Elites difficulty.
Shark Man of the Delta - Complete the game on Regulars difficulty.
Snafu - Complete mission 1 on any difficulty.
Kiss - Complete mission 2 on any difficulty.
Gnbn - Complete mission 3 on any difficulty.
Pfdl - Complete mission 4 on any difficulty.
Fubar - Complete mission 5 on any difficulty.
Humint - Complete mission 6 on any difficulty.
Katn - Complete mission 7 on any difficulty.
Doy - Complete mission 8 on any difficulty.
Legion of Merit - Finish each map in 1st place (Multiplayer).
Keep your friends close... - Perform a kill move on a friend (Multiplayer).
Fresh off the Boat - Play online once (Multiplayer).
Smack the Rogue - Place first in 10 ranked deathmatch games (multiplayer).
Decorated Veteran - Play 50 games online (Multiplayer).
Spec Warrior - Kill 3 people in a row (Multiplayer).
Special Warfare Group ONE - Be on the winning team for 10 team deathmatch games (Multiplayer).
Friendship is for suckers... - Kill someone on your friends list (Multiplayer).
From Beyond The Grave - An enemy dies from your grenade ... after you have been killed (Multiplayer).
Potus - Place first in a ranked team deathmatch (Multiplayer).
SEAL Team Six - Play a team deathmatch to completion with at least 3 friends on your team (Multiplayer).
Host-me-up - Host a custom game to completion (Multiplayer).
Threatcon - Place first in a ranked deathmatch game (Multiplayer).
One Man Army - Kill 200 enemies (Multiplayer).
Ninja - Perform 3 kill moves in a row (single player).
Over the top - Throw an enemy over a ledge (single player).
Suppressing Fire - Kill 20 enemies using blindfire (single player).
Guns Don't Kill People, SEALs Do - Kill 30 enemies using sniper rifles (single player).
Health and Safety - Blow up 20 fire extinguishers (single player).
Improv - Kill 20 enemies using explosive objects (single player).
Migraine Breaker - Kill 50 enemies with head shots (single player).
Military Budget - Kill 5 enemies with an assault rifle without reloading or changing weapons (single player).
Never Knew What Hit Them - Kill 50 unalerted enemies (single player).
Dick Would Be Proud - Complete a mission without dying (single player).
Double Tap - Complete an entire mission using only the pistol (single player).
Not the face - Smash an enemy's face into a wall (single player).
Now THIS is a Knife - Kill 30 enemies using kill moves (single player).
Frag Out! - Kill 20 enemies using grenades (single player).
Gang Bang - Kill a group of 4 enemies with a grenade (single player).
Getting Your Gun Off - Kill at least one enemy with every weapon in the game (single player).
Are These Guys For Real? - Kill 50 spetznaz (single player).
Chop-shop - Destroy 10 vehicles (single player).
Come Get Some - Kill 5 enemies with a shotgun without reloading or changing weapons (single player).
Curb-stomper - Perform 5 finishing moves (single player).