Spurred to Victory
Complete 20 story missions without switching to a new horse at a hitching post.
1/24/2011
4:05:33 AM
Rare 12.4%
Out of the Frying Pan...
Complete the mission in the airplane graveyard.
1/23/2011
9:33:14 AM
Rare 33.0%
Unnecessary Roughness
Use a riot shield to beat down an enemy in Single Player or Special Ops.
1/23/2011
8:02:44 AM
Rare 34.5%
Completed Chapter 1 - 1
Complete Chapter 1 - 1 on any difficulty setting.
1/22/2011
4:25:00 AM
Common 77.3%
Sacrificial Lamb
Shoot at or be shot by an ally with a Pack-a-Punch crossbow and kill six zombies with the explosion.
1/22/2011
2:07:44 AM
Ultra Rare 0.8%
Knock-knock
Kill 4 enemies with 4 shots during a slow-mo breach in Single Player or Special Ops.
1/21/2011
2:00:54 AM
Rare 15.2%