Note: This topic was originally started by kurt. I've decided to take ownership and update this list.
Work In Progress!
Some of the winners were not announced so I will count votes.
If you see a mistake or know a winner that is not listed, send me a message. Thanks!
Weekly Challenge: Destruction, Wreckage and Debris (due 2011-05-16)
Weekly Challenge: Ancient Technology (due 2011-05-09)
Weekly Challenge: Tempest in the Aether (due 2011-05-02)
Weekly Challenge: Magic (due 2011-04-25)
Weekly Challenge: Get in the Game! (due 2011-04-18)
Weekly Challenge: Fauna (due 2011-03-28)
Weekly Challenge: Flora (due March 14, 2011)
Weekly Challenge: Starter Set (due Feb 21)
Weekly Challenge: Carnival (due Feb 28th)
Weekly Challenge: PRESS THE BUTTON! (due Feb 14, 2011)
Weekly Challenge: Ancient Egypt (due Feb 7)
Weekly Challenge: Expedition (due Jan 31)
Weekly Challenge: Steampunk Style (due Jan 24th)
Weekly Challenge: Pirate Party (due Jan 10)
Weekly Challenge: Espionage (due Dec 20th)
Weekly Challenge: Seasons Change (Due Nov 22nd)
Weekly Challenge: Stop Procrastinating (due Tomorrow)
Weekly Challenge: Fifteen Minutes (due Nov 15, 2010)
Weekly Challenge: Halloween (due Oct 31)
Weekly Challenge: Art Tutorial (due Nov 8th)
Weekly Challenge: Replaceholder (due Oct 11th)
Weekly Challenge: Casual Elements (due Oct 18th)
Weekly Challenge: Exotic Environments (due Oct 4th)
Weekly Challenge: Minibosses (due Sep 20th)
Weekly Challenge: Vacation (due Sept. 13th)
Weekly Challenge: Modern City (due Sept. 6th)
Weekly Challenge: Treasure (due Aug 30th)
Weekly Challenge: Mood Swing (due Aug 23)
Weekly Challenge: Educational Science (due Aug 16th)
Weekly Challenge: Eight Bits (due Aug 10th)
Weekly Challenge: Stone Age (due Aug 2)
Weekly Challenge: NPC Writeup (due July 26th)
Weekly Challenge: Transportation (due July 19th)
Weekly Challenge: Weapons of War (due July 12th)
Weekly Challenge: Flight (due July 5th)
Weekly Challenge: Public Treasure Hunt (due June 28th)
Weekly Challenge: Player Emblems (due June 21st)
Weekly Challenge: Dark Fantasy (due June 14th)
Weekly Challenge: Post Apocalypse (due June 7)
Friday Challenge May 28, 2010: Finally Finished
Friday Challenge May 21, 2010: Near Future
Friday Challenge May 14, 2010: OGA Remix
Friday Challenge May 7, 2010: Old City
Friday Challenge Apr 30, 2010: Homage
Friday Challenge Apr 23, 2010: To The Stars
Friday Challenge Apr 16, 2010: Minimalist
Friday Challenge Apr 9, 2010: Touch of Nature