Environmental Awareness
Kill a zombie using an environmental hazard in any game mode
10/25/2009
4:52:23 PM
Common 91.8%
Gas Powered
Complete an entire arena, getting every kill with the Chainsaw
10/25/2009
4:50:58 PM
Common 63.0%
Can't We Get BEYOND Thunderdome?
Emerged victorious from an arena match
10/25/2009
3:59:36 AM
Rare 12.9%
There are some who call me...Tim
Equipped a class mod for your character
10/25/2009
1:14:57 AM
Rare 45.6%
United We Stand
Defeated the Rakk Hive, the Vault Boss, Sledge, Krom, or Flynt in a co-op game
10/25/2009
1:06:53 AM
Rare 28.0%
