Tip of the Iceberg
Use your Eagle Vision to scan a Glyph in the environment.
12/29/2009
11:22:52 PM
Common 67.8%
Pit Boss
Run The Pit in 'S.S.D.D' and finish with a final time under 30 seconds.
12/22/2009
2:47:52 PM
Ultra Rare 2.8%
Knock-knock
Kill 4 enemies with 4 shots during a slow-mo breach in Single Player or Special Ops.
11/30/2009
5:28:02 PM
Rare 15.2%
Off the Grid
Complete 'Just Like Old Times' and 'Endgame' on Veteran Difficulty.
11/20/2009
11:14:32 PM
Ultra Rare 3.7%
The Price of War
Complete the single player campaign on Hardened or Veteran Difficulty.
11/20/2009
11:14:28 PM
Very Rare 5.8%
Queen takes Rook
Complete 'Loose Ends' and 'The Enemy of My Enemy' on Veteran Difficulty.
11/20/2009
10:43:34 PM
Ultra Rare 3.6%
Homecoming
Complete 'Of Their Own Accord', 'Second Sun', and 'Whiskey Hotel' on Veteran Difficulty.
11/20/2009
9:37:30 PM
Ultra Rare 3.9%