Broken 4th Dimension
|Released|| Concept: October 30, 2016
|Genre||Vertical Danmaku Shooting Game|
|Gameplay||Single-Player Story Mode|
|Followed by||Dark Mountain of Sins, Altar of The Underworld (Remake)|
Nansei Tokeidai~ Broken 4th Dimension (南西 時計台〜 Broken 4th Dimension lit. Clock Tower from the Southwest) is the 17th episode of the Nansei Project.
Since the release of Altar of The Underworld, this project and its story have been retconned from the Nansei timeline.