東方萃夢想 ～ Immaterial and Missing Power
This game is made by collaboration beetwen ZUN and Tasogare Frontier. This game story takes place beetwen Touhou 7 (PCB) and Touhou 8 (IN).
This game is not vertical shooting game, but this is 2D fighting game.
In the beginning, you can use Reimu Hakurei, Marisa Kirisame, Izayoi Sakuya, Alice Margatroid, Patchouli Knowledge, and Youmu Konpaku. Additionally, you can unlock Remilia, Yuyuko, Yukari, and Suika + Meirin (v1.11) by completing story mode.
External link download (I am NOT UPLOADER):