Here is the full list of all 45 Rogue Warrior achievements.
Play 50 games online. (Multiplayer)
Place first in 10 Ranked Deathmatch games. (Multiplayer)
Kill 200 enemies. (Multiplayer)
Be on the winning team for 10 Team Deathmatch games. (Multiplayer)
Complete the game on Recruits difficulty.
Complete the game on Regulars difficulty.
Kill at least one enemy with every weapon in the game. (Single Player)
Perform 5 Finishing moves. (Single Player)
Complete the game on Elites difficulty.
Complete mission 8 on any difficulty.
Blow up 20 fire extinguishers. (Single Player)
Kill 20 enemies using explosive objects. (Single Player)
Kill a group of 4 enemies with a grenade. (Single Player)
Complete mission 7 on any difficulty.
Kill 50 unalerted enemies. (Single Player)
Complete mission 6 on any difficulty.
Kill 50 Spetznaz. (Single Player)
Complete mission 5 on any difficulty.
Destroy 10 vehicles. (Single Player)
Kill 20 enemies using grenades. (Single Player)
Complete mission 4 on any difficulty.
Kill 20 enemies using blindfire. (Single Player)
Complete mission 3 on any difficulty.
Kill 30 enemies using sniper rifles. (Single Player)
Kill 30 enemies using kill moves. (Single Player)
Complete a mission without dying. (Single Player)
Throw an enemy over a ledge. (Single Player)
Complete an entire mission using only the pistol. (Single Player)
Kill 5 enemies with an assault rifle without reloading or changing weapons. (Single Player)
Complete mission 2 on any difficulty.
Kill 50 enemies with head shots. (Single Player)
Complete mission 1 on any difficulty.
Kill 5 enemies with a shotgun without reloading or changing weapons. (Single Player)
Place first in a Ranked Team Deathmatch. (Multiplayer)
Place first in a Ranked Deathmatch game. (Multiplayer)
Play a Team Deathmatch to completion with at least 3 friends on your team. (Multiplayer)
Perform 3 Kill moves in a row. (Single Player)
Smash an enemy's face into a wall. (Single Player)
Finish each map in 1st place. (Multiplayer)
Host a custom game to completion. (Multiplayer)
Kill 3 people in a row. (Multiplayer)
Play online once. (Multiplayer)
An enemy dies from your grenade ... after you have been killed. (Multiplayer)
Kill someone on your friends list. (Multiplayer)
Perform a kill move on a friend. (Multiplayer)