Bullseye55's Item Galaxy Adventure! This page is awaiting revisions. Somer of the Mod's content was mergfed with the Hellish Hardmode, while others were included with the 1.1 release.
This page will be renamed to the Hellish Hardmode, and details will be here. If you want to get to the Hellish Hardmode's forum post: http://www.terrariaonline.com/threads/the-hellish-hardmode-a-mod-by-bullseye55-tconfig-required-continuous-wip.87782/.
Site Hyperlink: Galaxy Downloads - Out of date, since the Hellish Hardmode is hosted on Dropbox due to its large file size.