Snake in the Grass
Take out a Japanese soldier lying in wait in the grass.
11/15/2008
11:07:16 PM
Rare 44.5%
Throw a Six and a Half
On Hardened or Veteran difficulty, complete a level without dying. (Solo only)
11/15/2008
10:31:40 PM
Very Rare 5.6%
Carlson's Raiders
Complete 'Semper Fi' on any difficulty. (Solo only)
11/15/2008
10:31:35 PM
Common 58.2%