Perfect Recall
Achieve 100% Synchronization in any Sequence other than Sequence 1.
11/16/2010
9:29:26 PM
Rare 29.0%
Sanctuary! Sanctuary!
Find a secure place to hide and re-enter the Animus.
11/16/2010
7:16:36 PM
Common 79.8%
Technical Difficulties
Attempt to access DNA Sequence 9 for the first time.
11/16/2010
5:56:25 PM
Common 91.8%
No Rest For the Wary
Knife an enemy without him ever knowing you were there in Single Player or Special Ops.
10/31/2010
2:48:45 AM
Rare 25.3%
It Goes to Eleven
Earn at least 1 star in 11 different Special Op missions.
10/9/2010
1:14:36 AM
Rare 17.0%
Pack Addict!
Upgrade 5 weapons at the Pack A Punch Machine. (Map Pack 3 only)
8/15/2010
4:35:43 AM
Very Rare 5.4%
The Harder They Fall
Kill 2 rappelling enemies in a row before they land on their feet in Single Player or Special Ops.
7/23/2010
4:02:09 PM
Rare 30.0%
Downed but Not Out
Kill 4 enemies in a row while downed in Special Ops.
7/17/2010
1:28:14 AM
Very Rare 5.8%
Weapon of Minor Destruction
Kill no more than one zombie with a nuke. (Map Pack 2 only)
6/26/2010
3:52:09 AM
Very Rare 7.0%
No-hitter
Kill 10 enemies while remaining in conflict without being hit.
6/5/2010
11:05:50 PM
Rare 20.9%
