Boots on the Ground
Go 2 minutes without double jumping or wall running in a mission where these abilities are available.
11/4/2016
10:32:23 PM
Rare 37.7%
Three of a Kind
Kill 3 enemies in a row with your knife in the single player campaign.
10/20/2016
1:19:44 PM
Very Rare 8.2%
Roadkill
Kill 2 enemies by blowing up a car in the single player campaign.
10/19/2016
11:47:33 AM
Rare 25.6%