Unstoppable
Reach Wave 15 in each mission of Special Ops Survival mode.
12/17/2011
11:10:23 PM
Ultra Rare 1.3%
Survivor
Reach Wave 10 in each mission of Special Ops Survival mode.
12/15/2011
11:04:59 PM
Ultra Rare 1.8%
Defense Spending
Buy all items from the Survival Equipment Armory.
11/30/2011
10:21:19 PM
Ultra Rare 2.9%
Tactician
Earn 1 star in each mission of Special Ops Mission Mode.
11/27/2011
10:09:37 PM
Ultra Rare 2.3%
Truck Brawler
Defeat ten enemies using hand-to-hand combat on the back of the convoy trucks
11/20/2011
5:27:57 PM
Very Rare 8.6%
He's Gonna Need a Sturgeon
Hit three enemies with fish in the market
11/20/2011
5:22:12 PM
Very Rare 5.3%
Grenade Hangman
Defeat ten enemies with grenades by aiming while hanging
11/20/2011
4:07:36 PM
Ultra Rare 2.1%