Gunslinger
Got 10 kills with each of the ten Back to Karkand weapons
6/28/2012
2:12:04 PM
Ultra Rare 1.3%
Final Transmission
Find the hidden signal in one of the Rat Man's dens
6/28/2012
9:11:25 AM
Very Rare 7.7%
Complete Warrior
Got a kill with the following weapons in a single life: Assault Rifle, Jet, Tank
6/25/2012
5:51:01 PM
Ultra Rare 0.6%
Third Tour
Got a kill with each of the following vehicles: the BTR-90, DPV and F-35.
6/21/2012
12:12:59 PM
Ultra Rare 3.5%
Portal Conservation Society
Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements
6/21/2012
11:49:49 AM
Ultra Rare 2.1%
Party of Three
Find the hidden companion cube in co-op test chamber
6/19/2012
11:34:14 AM
Ultra Rare 2.9%
Iron Grip
Never lose a cube in Chamber 6 of the Mass and Velocity co-op course
6/19/2012
10:43:21 AM
Ultra Rare 2.8%
Deadly tools
Without dying, got a kill with a Carbine, Pistol and Rocket Launcher
6/16/2012
9:13:21 PM
Very Rare 5.3%
Bullseye
Saved the hostages without alerting any enemies in Drop 'em Like Liquid
6/16/2012
4:02:53 PM
Ultra Rare 0.5%