Triple Crown
Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each
5/8/2011
12:33:04 AM
Ultra Rare 1.8%
Iron Grip
Never lose a cube in Chamber 6 of the Mass and Velocity co-op course
5/8/2011
12:15:14 AM
Ultra Rare 2.8%
Finish What You Start!
Perform a Fatality with all playable fighters
5/6/2011
6:39:34 PM
Ultra Rare 1.6%
Four Ring Circus
Enter 4 different portals without touching the ground in co-op
5/5/2011
10:33:22 PM
Ultra Rare 4.6%
Portal Conservation Society
Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements
5/5/2011
10:28:42 PM
Ultra Rare 2.1%
Empty Gesture
Drop your co-op partner in goo while they are gesturing by removing the bridge under them
5/5/2011
10:02:01 PM
Ultra Rare 3.9%
Schrodinger's Catch
Catch a blue-painted box before it touches the ground
5/5/2011
12:31:49 AM
Very Rare 6.9%
Brotherhood of Shadow
Discover and fight Hidden Kombatant 4 in Arcade Ladder
5/2/2011
12:34:52 AM
Rare 12.1%
