Ghost
Plant the C4 in 'Cliffhanger' without alerting or injuring anyone in the blizzard.
7/22/2010
2:49:42 PM
Ultra Rare 3.1%
Fightin' Around the World
Knock someone out in melee in every saloon in the game in Single Player.
7/22/2010
10:25:16 AM
Ultra Rare 1.4%
Gold Medal
Earn a Gold Medal Rank for a combat mission in Single Player.
7/22/2010
9:01:37 AM
Ultra Rare 1.8%
Careful Guidence
Online: destroy an enemy helicopter with a stationary RPG
7/21/2010
11:10:17 AM
Rare 13.1%
Friends in High Places
Use a pardon letter with more than $5000 bounty in Single Player.
7/20/2010
10:46:24 AM
Ultra Rare 2.1%
The Gunslinger
Score a headshot on any enemy using Expert targeting mode.
7/19/2010
3:11:07 PM
Very Rare 6.6%
On the Trail of de Vaca
Uncover every location on the map in Single Player.
7/18/2010
2:06:43 PM
Very Rare 6.6%
Frontiersman
Obtain Legendary rank in any Single Player Ambient Challenge.
7/2/2010
1:37:27 PM
Very Rare 7.9%
Isla Inocentes Veteran
Successfully complete Isla Inocentes in Onslaught mode on Hardcore difficulty
6/27/2010
6:26:20 PM
Ultra Rare 0.9%
Valpariso Veteran
Successfully complete Valpariso in Onslaught mode on Hardcore difficulty
6/26/2010
9:43:57 AM
Ultra Rare 1.1%
Atacama Desert Veteran
Successfully complete Atacama Desert in Onslaught mode on Hardcore difficulty
6/26/2010
8:50:15 AM
Ultra Rare 1.0%
Nelson Bay Conquered
Successfully complete Nelson Bay in Onslaught mode on any difficulty
6/25/2010
3:54:22 PM
Ultra Rare 3.0%
Atacama Desert Conquered
Successfully complete Atacama Desert in Onslaught mode on any difficulty
6/25/2010
11:13:34 AM
Ultra Rare 3.2%
Isla Inocentes Conquered
Successfully complete Isla Inocentes in Onslaught mode on any difficulty
6/25/2010
10:11:53 AM
Ultra Rare 3.0%
Valpariso Conquered
Successfully complete Valpariso in Onslaught mode on any difficulty
6/25/2010
10:07:56 AM
Ultra Rare 3.2%
Pit Boss
Run The Pit in 'S.S.D.D' and finish with a final time under 30 seconds.
6/23/2010
1:23:39 PM
Ultra Rare 2.8%
Off the Grid
Complete 'Just Like Old Times' and 'Endgame' on Veteran Difficulty.
6/20/2010
12:48:19 PM
Ultra Rare 3.7%
The Price of War
Complete the single player campaign on Hardened or Veteran Difficulty.
6/20/2010
12:48:13 PM
Very Rare 5.8%
Drive By
Kill 20 enemies in a row while driving a vehicle in Single Player or Special Ops.
6/20/2010
12:40:01 PM
Very Rare 8.1%