Ghost Busted
Beat a friend's ghost in a Race or Hot Lap event who currently sits above you in the leaderboards.
7/20/2012
3:10:04 PM
Very Rare 8.1%
Divided We Fall
Complete an Echo Six Expansion mission with no human player incapacitated from death or infection.
6/28/2012
1:51:19 PM
Ultra Rare 2.3%
