Head Hunter
Use the Precision ability to rack up three head shots in rapid succession.
7/8/2011
3:24:31 AM
Rare 20.0%
Return to Sender
Send a Helicopter's rockets back at it using any Blast ability.
7/8/2011
1:25:34 AM
Rare 18.5%
I'm As Shocked As You Are
Defeat an enemy or civilian by stepping in water.
7/6/2011
5:25:16 AM
Common 62.3%
Discerning Taste
Take down a street performer who is imitating a statue.
6/9/2011
6:07:00 AM
Common 63.7%
Watch That First Step
Defeat an enemy by destroying the object they stand on.
6/8/2011
6:53:33 AM
Common 82.7%
Narbacular Drop
Place a portal under your co-op partner while they are gesturing
5/21/2011
4:46:43 AM
Very Rare 5.5%
Bridge Building
Complete all test chambers in the Hard-Light Surfaces co-op course
5/21/2011
4:46:09 AM
Rare 20.6%
Can't Touch This
Dance in front of a turret blocked by a hard light bridge in co-op
5/21/2011
3:57:35 AM
Very Rare 7.9%
Confidence Building
Complete all test chambers in the Mass and Velocity co-op course
5/13/2011
2:46:14 AM
Rare 31.6%