The Alternative Age
Touhou Shifuujou ...the Alternative Age (東方時封城 ...the Alternative Age, lit. "Time Seal of the Eastern Castle") is a fan-made Touhou Project game that's a huge script set for Touhou Danmakufu. The size is comparable to the original Touhou Project: 6-stage story mode and extra stage mode are playable. Touhou Danmakufu ver 0.11m or later is required.
There are 18 tracks total in this game, all of which are rearrangements from both the Touhou Project and Seihou Project. The music is generally remixed from the PC-98, the Music CDs, ZUN's Strange Works and Torte Le Magic, of which doesn't include include music from the main games of the Touhou Project.