Killing Spree - Kill 5 Helghast in 15 seconds
Kill 5 Helghast in 15 seconds whilst on foot and maintaining at least 85% health
2/25/2009
6:01:45 PM
Rare 39.3%
Giantslayer - Kill the Heavy within 1 minute
Kill the Blood Meridian heavy in under 1 minute
2/24/2009
6:24:52 PM
Rare 32.3%
Party Person
Complete a level online with 3 other players who are on your friends list
12/31/2008
4:14:52 PM
Ultra Rare 3.4%
Ace Act 3 and Act 4
Ace Act 3: The Mission and Act 4: The Level Factory
12/26/2008
4:29:19 PM
Ultra Rare 1.1%
Cut Your Teeth
You were successfully promoted up a rank in multiplayer.
12/13/2008
2:06:00 PM
Rare 18.8%
Look what I made!
A level you published was played by 5 or more people
12/1/2008
9:43:30 PM
Very Rare 7.7%
