The Summer Mapping Initiative is a community based mapping contest for Portal 2, sponsored by thinkingwithportals.com and the Aperture Science Community Outreach Development Department Specializing in Testchamber Design and Course Idea Submission (ASCODDSiTDaCIS). The submissions for the 2011 contest are closed. For more information on the requirements for entry and map limitations, please check out the thinkingwithportals.com Summer Mapping Initiative 2011 FAQ.