Wet Work
Take back New York Harbor. Complete "Hunter Killer" on any difficulty.
11/12/2011
10:55:30 AM
Common 50.7%
Too Big to Fail
Destroy the Jamming Tower. Complete "Black Tuesday" on any difficulty.
11/12/2011
10:37:27 AM
Common 53.7%
Back in the Fight
Start the Single Player Campaign on any difficulty.
11/12/2011
10:04:57 AM
Common 62.2%
Synchronization Established
Complete an entire Session with at least one kill (Multiplayer Only).
11/5/2011
11:36:26 AM
Rare 35.0%
Perfect Recall
Achieve 100% Synchronization in any Sequence other than Sequence 1.
10/30/2011
1:45:07 PM
Rare 29.0%
They are going THROUGH!
In Ascension, kill at least 5 zombies with 1 Gersh Device.
7/23/2011
9:35:01 PM
Very Rare 6.3%