Iron Grip
Never lose a cube in Chamber 6 of the Mass and Velocity co-op course
5/16/2011
10:43:00 PM
Ultra Rare 2.8%
Narbacular Drop
Place a portal under your co-op partner while they are gesturing
5/16/2011
10:20:27 PM
Very Rare 5.5%
Obstacle Building
Complete all test chambers in the Excursion Funnels co-op course
5/16/2011
6:47:29 PM
Rare 15.7%
Bridge Building
Complete all test chambers in the Hard-Light Surfaces co-op course
5/16/2011
5:11:53 PM
Rare 20.6%
Can't Touch This
Dance in front of a turret blocked by a hard light bridge in co-op
5/16/2011
4:53:39 PM
Very Rare 7.9%
Empty Gesture
Drop your co-op partner in goo while they are gesturing by removing the bridge under them
5/16/2011
4:33:39 PM
Ultra Rare 3.9%
Confidence Building
Complete all test chambers in the Mass and Velocity co-op course
5/16/2011
4:01:25 PM
Rare 31.6%
Team Building
Complete all test chambers in the Team Building co-op course
5/16/2011
2:48:17 PM
Rare 46.8%
Gold Medal
Earn a Gold Medal Rank for a combat mission in Single Player.
5/15/2011
7:07:43 PM
Ultra Rare 1.8%
The Gunslinger
Score a headshot on any enemy using Expert targeting mode.
5/15/2011
2:24:53 PM
Very Rare 6.6%
Spurred to Victory
Complete 20 story missions without switching to a new horse at a hitching post.
5/14/2011
10:25:52 PM
Rare 12.4%
R.I.P. Jordan Shepherd
Defeat Daedalus; complete the single player Campaign.
5/14/2011
4:01:11 PM
Rare 33.8%
Pincushion
Get 50 kills with the Hedgehog in the single player Campaign.
5/14/2011
3:38:03 PM
Very Rare 8.5%
Explosives Expert
Get 150 kills with the Carbine 40mm, LAARK, or frag grenade in the single player Campaign.
5/13/2011
11:00:51 PM
Rare 18.7%
Master Spy
Collect all the Intel documents in the single player Campaign.
5/13/2011
10:56:39 PM
Ultra Rare 2.2%
Exotic Weapon Collector
Get 20 kills with each weapon in the game in the single player Campaign.
5/13/2011
9:55:39 PM
Very Rare 6.9%