Babel's Calling
Unlock the Altar by earning 1 Gold Prize on Normal or Hard.
5/23/2011
5:38:20 PM
Rare 19.3%
Out of the Frying Pan...
Complete the mission in the airplane graveyard.
3/17/2011
5:26:51 PM
Rare 33.0%
Unnecessary Roughness
Use a riot shield to beat down an enemy in Single Player or Special Ops.
3/16/2011
11:01:05 AM
Rare 34.5%
The Harder They Fall
Kill 2 rappelling enemies in a row before they land on their feet in Single Player or Special Ops.
2/12/2011
3:05:46 PM
Rare 30.0%
Ten plus foot-mobiles
Kill at least 10 enemies with one Predator missile in Single Player or Special Ops.
2/12/2011
1:45:31 PM
Rare 45.1%
Operational Asset
Earn all 3 stars in at least 5 different Special Op missions.
2/9/2011
10:17:55 AM
Very Rare 9.7%
It Goes to Eleven
Earn at least 1 star in 11 different Special Op missions.
2/9/2011
9:05:16 AM
Rare 17.0%
Downed but Not Out
Kill 4 enemies in a row while downed in Special Ops.
2/9/2011
8:17:22 AM
Very Rare 5.8%