Are you a Level Designer? Are you looking for help/support or other level designers? Then this is the group for you! Doesn't matter what you map for, if your a beginner or a professional this is the group for you.
The first released and completable custom map for the Curse episodes released on the 2nd of July 2009 by Mapster of Wireframe.
I love how you edited the crap out of the Gravity Gun until you can barely tell that it's there XD