Earn this by collecting all the other trophies.
Play 50 games online. (Multiplayer)
Come first in 10 ranked Deathmatch games. (Multiplayer)
Place first in a Ranked Team Deathmatch. (Multiplayer)
Play a Team Deathmatch to completion with at least 3 friends on your team. (Multiplayer)
Kill 200 enemies. (Multiplayer)
Place first in a Ranked Deathmatch game. (Multiplayer)
Complete the game on Elites difficulty.
Kill a group of four enemies with a grenade. (Single Player)
Complete a mission without dying. (Single Player)
Be on the winning team for 10 TDM games. (Multiplayer)
Finish each map in 1st place. (Multiplayer)
Kill 3 people in a row online. (Multiplayer)
An enemy dies from your grenade ... after you have been killed. (Multiplayer)
Perform a kill move on a friend. (Multiplayer)
Kill someone on your friends list. (Multiplayer)
Play online once. (Multiplayer)
Host a custom game to completion. (Multiplayer)
Complete the game on Regulars difficulty.
Kill at least one enemy with every weapon in the game. (Single Player)
Kill 50 unalerted enemies. (Single Player)
Kill 30 enemies using kill moves. (Single Player)
Throw an enemy over a ledge. (Single Player)
Smash an enemy's face into a wall. (Single Player)
Complete DOY.
Complete the game on Recruits difficulty.
Kill 20 enemies using explosive objects. (Single Player)
Blow up 20 fire extinguishers. (Single Player)
Perform 5 finishing moves. (Single Player)
Complete KATN.
Complete HUMINT.
Destroy 10 vehicles. (Single Player)
Kill 50 Spetznaz. (Single Player)
Kill 20 enemies using grenades. (Single Player)
Complete FUBAR.
Kill 30 enemies using sniper rifles. (Single Player)
Complete PFDL.
Complete GNBN.
Kill 50 enemies with head shots. (Single Player)
Kill 20 enemies using blindfire. (Single Player)
Complete KISS.
Kill 5 enemies with a shotgun without reloading or changing weapons. (Single Player)
Kill 5 enemies with an assault rifle without reloading or changing weapons. (Single Player)
Perform 3 kill moves in a row. (Single Player)
Complete an entire level using only the pistol. (Single Player)
Complete SNAFU.