These are featured addons, that go above and beyond the call of duty to provide downright fun experiences. Complete with author commentary and screenshots.

Rocky Pass by Oogaland * Supports Single Player, Coop, and Race August 20th, 2006

Sunken Palace by Ree-c * Supports Single Player, Coop, and Race May 10th, 2006

Aero Shrine by Tets * Supports Single Player, Coop, and Race March 8th, 2006