Some Like it Hot
Kill 6 enemies in a row using a thermal weapon in Single Player or Special Ops.
1/15/2010
6:34:22 PM
Rare 39.8%
Knock-knock
Kill 4 enemies with 4 shots during a slow-mo breach in Single Player or Special Ops.
1/15/2010
6:21:17 PM
Rare 15.2%
Ten plus foot-mobiles
Kill at least 10 enemies with one Predator missile in Single Player or Special Ops.
1/15/2010
5:28:47 PM
Rare 45.1%
Two Birds with One Stone
Kill 2 enemies with a single bullet in Single Player or Special Ops.
1/15/2010
4:21:18 PM
Common 57.6%
Three-some
Kill at least 3 enemies with a single shot from a grenade launcher in Single Player or Special Ops.
1/15/2010
3:46:40 PM
Common 54.5%
Solitary Refinement
Correctly answer 6 "Quiz Attack" questions in a row.
10/24/2009
12:30:11 AM
Rare 29.5%
Reflexology
Correctly answer 5 regular questions as soon as the answers appear.
10/23/2009
2:32:41 PM
Rare 41.0%
Fall from Grace
Finish the quiz with no money after having earned some.
10/23/2009
2:23:27 PM
Rare 22.1%
Public Scrutiny
During the last 5 seconds of a question, switch your answer to the answer that all the other contestants have selected if that answer is correct.
10/23/2009
2:13:45 PM
Common 80.0%
Free Mission : 100 Missions Completed
100 Free Missions have been completed. (Any difficulty level)
10/1/2009
5:16:30 PM
Rare 42.9%
Story Mode : Federation Completed
All Federation stories have been completed. (Any difficulty level)
9/8/2009
3:14:20 AM
Common 55.2%