The Ties that Bind Us
Become allies with all of the officers in Ambition Mode.
7/21/2014
11:35:28 AM
Very Rare 8.7%
Divided We Fall
Complete an Echo Six Expansion mission with no human player incapacitated from death or infection.
7/21/2014
3:38:53 AM
Ultra Rare 2.3%
Friends to the End
Form a bond at the maximum level with another officer.
7/18/2014
3:22:16 PM
Rare 20.4%
Mounted Terror
Defeat 1,000 enemies while mounted on a riding-type animal.
7/18/2014
3:14:10 PM
Rare 30.4%
Bloody Good Time
Kill 5 enemies with Blood Frenzy in a single campaign game or multiplayer match.
7/17/2014
2:06:54 PM
Common 51.5%