More the Merrier
Kill 10 or more zombies at the same time in any game mode
10/15/2009
1:26:44 AM
Common 81.1%
Tour of the City
Complete each arena at least once in the same game in any game mode
10/15/2009
1:22:52 AM
Common 74.4%
Interior Decorator
Kill 25 zombies in any game mode using environmental hazards
10/15/2009
1:20:13 AM
Common 80.1%
Environmental Awareness
Kill a zombie using an environmental hazard in any game mode
10/14/2009
5:07:36 AM
Common 91.8%
Weapon of Minor Destruction
Kill no more than one zombie with a nuke. (Map Pack 2 only)
9/3/2009
3:04:06 AM
Very Rare 7.0%
Shot in the Dark
Kill 10 enemies while the lights are out in the subway in 'Eviction'.
8/26/2009
4:00:51 AM
Rare 12.9%
Double Barrel Roll
Perform 10 barrel rolls in unison in any level in co-op
8/25/2009
6:12:04 AM
Rare 20.2%
Acceleration Celebration
Activate the Accelerator Suit three times in any mission
8/25/2009
5:13:44 AM
Common 55.3%
No "I" in Team
Complete mission with higher than 50% Dual Targeting kills
8/25/2009
4:18:29 AM
Rare 45.9%
