Flawless lap
Complete a lap of a Race event in World Tour without dismounting.
4/9/2010
11:25:03 PM
Common 63.7%
Underdog
Use a class D engine to beat an opponent with a class A engine in a ranked match.
4/9/2010
11:17:42 PM
Ultra Rare 4.8%
Gas Powered
Complete an entire arena, getting every kill with the Chainsaw
4/8/2010
1:52:33 PM
Common 63.0%
Tour of the City
Complete each arena at least once in the same game in any game mode
4/8/2010
10:55:39 AM
Common 74.4%
More the Merrier
Kill 10 or more zombies at the same time in any game mode
4/8/2010
10:47:36 AM
Common 81.1%
Interior Decorator
Kill 25 zombies in any game mode using environmental hazards
4/8/2010
10:40:42 AM
Common 80.1%
Environmental Awareness
Kill a zombie using an environmental hazard in any game mode
4/8/2010
10:27:22 AM
Common 91.8%
Some Like it Hot
Kill 6 enemies in a row using a thermal weapon in Single Player or Special Ops.
11/12/2009
1:14:53 AM
Rare 39.8%
Unnecessary Roughness
Use a riot shield to beat down an enemy in Single Player or Special Ops.
11/12/2009
1:06:13 AM
Rare 34.5%
Out of the Frying Pan...
Complete the mission in the airplane graveyard.
11/12/2009
12:45:17 AM
Rare 33.0%
