The story has just begun
Win both story campaigns (not including What-If missions)
10/2/2011
6:20:35 AM
Very Rare 9.2%
You've escaped the Ark
Win all main missions of the Resistance campaign (not including What-If missions)
10/2/2011
6:20:23 AM
Rare 21.0%
That mine you found? Disarmed!
Spot a mine which is later defused by another Engineer
10/2/2011
5:40:25 AM
Ultra Rare 1.4%
You shall not pass!
While on defense, prevent the attackers from completing their first objective
10/1/2011
7:06:45 PM
Rare 37.1%
You've saved the Ark
Win all main missions of the Security campaign (not including What-If missions)
10/1/2011
7:06:32 PM
Rare 13.4%
Use the wheel, earn more XP
Complete an objective after first selecting it on the Objective Wheel
10/1/2011
6:07:12 PM
Rare 47.0%
The start of something big
Win any mission, whether campaign or What-If
10/1/2011
5:42:14 PM
Common 64.4%
Not over till the fat lady sings!
Take down an enemy with gunfire while knocked down
10/1/2011
5:39:02 PM
Common 62.5%
No I insist, you take it
Use the last of your Supplies to refill a teammate's ammo rather than your own
10/1/2011
5:38:29 PM
Common 55.2%
Dynamic Duo
Complete a Round in Co-Op Without Either Player Taking Damage
10/1/2011
5:41:34 AM
Ultra Rare 0.7%
It Begins With a Ring
Ring the mysterious bell. What happens after that, is up to you.
9/30/2011
1:11:56 AM
Common 62.8%
One Giant Leap
In Moon, become trapped in the Receiving Area and free yourself through resurrection in co-op.
9/29/2011
5:35:25 AM
Ultra Rare 0.7%
Cryogenic Slumber Party
In Moon, complete Richtofen's grand scheme.
9/29/2011
4:42:24 AM
Ultra Rare 0.9%
The Penguins of Madagascar 100% Complete
Collect all Bronze, Silver, and Gold Trophies.
9/29/2011
3:28:06 AM
Rare 13.4%