Grenade Hangman
Defeat ten enemies with grenades by aiming while hanging
3/20/2012
5:13:52 PM
Ultra Rare 2.1%
Riot Rocker
Defeat five Riot Shield enemies by running over their shield
3/12/2012
12:50:49 PM
Rare 13.5%
Pro-pain
Defeat ten enemies with propane or acetylene tank explosions
3/11/2012
3:15:34 PM
Very Rare 7.6%
Quick Study
Inspect almost every display case in the Cartagena Museum
3/8/2012
2:25:43 PM
Very Rare 6.9%
Birdie
Kill 2 enemy helicopters without getting hit in a Special Ops Survival game.
11/11/2011
11:09:08 PM
Rare 29.2%
Too Big to Fail
Destroy the Jamming Tower. Complete "Black Tuesday" on any difficulty.
11/11/2011
10:25:53 PM
Common 53.7%
Back in the Fight
Start the Single Player Campaign on any difficulty.
11/11/2011
9:45:49 PM
Common 62.2%