Frontiersman
Obtain Legendary rank in any Single Player Ambient Challenge.
3/15/2011
1:50:35 AM
Very Rare 7.9%
Austin Overpowered
Complete Twin Rocks, Pike's Basin, and Gaptooth Breach Hideouts in Single Player.
3/15/2011
12:34:57 AM
Rare 10.3%
Evil Spirits
Complete Tumbleweed and Tesoro Azul Hideouts in Single Player.
2/25/2011
2:20:16 AM
Rare 13.9%
Long Arm of Marston
Kill 500 enemies with any rifle, repeater, or shotgun in any game mode.
2/23/2011
7:11:15 PM
Rare 28.9%
Instinto Asesino
Complete Fort Mercer and Nosalida Hideouts in Single Player.
2/23/2011
6:14:13 PM
Rare 13.4%
Downed but Not Out
Kill 4 enemies in a row while downed in Special Ops.
2/16/2011
8:24:48 AM
Very Rare 5.8%
Russian bar-b-q
Incinerate 10 enemies with the flamethrower attachment in the POW compound.
12/23/2010
2:09:38 AM
Ultra Rare 2.8%
Insert Coin
Access the terminal and battle the forces of the Cosmic Silverback in Dead Ops Arcade.
11/30/2010
12:28:02 AM
Rare 36.9%
