Flash Dance
Kill 3 players while blinded from a shock grenade during any ranked match.
2/23/2011
1:28:47 PM
Ultra Rare 0.8%
Beat a Better Mousetrap
Activate all of the spikes at once in the Spider Tomb spike field
2/23/2011
3:40:10 AM
Rare 19.1%
Leap of Faith
Catch Totec with the grapple while he is jumping over a death fall
2/23/2011
2:26:36 AM
Rare 34.5%
Return to Sender
Reflect an enemy's projectile back to him using Totec's shield
2/23/2011
2:13:22 AM
Rare 17.8%
Treasure Hunter
Collect all weapons, text logs and audio logs on Chapter 8: "In The Hearts of Men"
2/22/2011
10:05:48 AM
Ultra Rare 2.6%
Make Us Whole
Collect all weapons, text logs and audio logs on Chapter 9: "Escaping the Ishimura"
2/22/2011
7:57:21 AM
Ultra Rare 3.8%
Scavenger
Collect all weapons, text logs and audio logs on Chapter 5: "Emergency Care"
2/22/2011
3:27:59 AM
Very Rare 5.1%
No Stone Unturned
Collect all weapons, text logs and audio logs on Chapter 3: "Return to the Megavents"
2/22/2011
12:45:34 AM
Ultra Rare 3.6%
Sharpshooter
Shoot the box hanging from the crane on the surface of Aegis 7
2/21/2011
10:55:12 PM
Ultra Rare 3.4%
Herbal Remedies
Beat the top score on the "East Grow Chamber" Challenge
2/21/2011
9:53:52 PM
Ultra Rare 2.3%
Engineer By Trade
Beat the top score on the "Maintenance Bay" Challenge
2/21/2011
9:37:27 PM
Ultra Rare 2.5%