Barrel of Death - Kill 3 Helghast using your environment
Kill 3 Helghast at once using the surrounding environment
12/24/2010
5:28:25 PM
Rare 25.3%
In for the Win
Take a Head to Head Ranked Match to extra time with a weaker team
12/17/2010
10:02:17 PM
Rare 13.9%
Perfect Recall
Achieve 100% Synchronization in any Sequence other than Sequence 1.
12/6/2010
6:28:31 PM
Rare 29.0%
Crosser
Create a goal with a cross with a player with the Crossing Speciality
12/4/2010
1:22:38 PM
Common 60.0%
Sanctuary! Sanctuary!
Find a secure place to hide and re-enter the Animus.
11/22/2010
6:04:09 PM
Common 79.8%