Gold Master
As a single player, earn Gold or higher on three or more Challenges on a single play of a song (Quickplay+)
12/17/2010
11:31:20 PM
Rare 25.3%
Lucifer's Accountant
Beat any song with a final score which is evenly divisible by 6 (Quickplay+)
12/17/2010
11:31:14 PM
Common 62.7%
Pathfinder
Guide the squad through the Soviet outpost without them getting killed.
12/4/2010
11:51:46 AM
Very Rare 6.0%
Lord Nelson
Destroy all targets and structures while making your way up the river.
12/4/2010
8:25:53 AM
Rare 10.3%
Sally Likes Blood
Demonstrate killer economic sensibilities by taking down 3 enemies with a single bullet.
11/26/2010
9:25:47 PM
Rare 34.9%
No Leaks
Make it through the NOVA 6 gas without dying on Rebirth Island.
11/12/2010
9:58:12 PM
Ultra Rare 4.5%
Unconventional Warfare
Use the explosive bolts to kill 30 enemies in the campaign.
11/12/2010
3:56:41 PM
Very Rare 8.9%