murasaki_(game)
A shooter game with some puzzle elements.
Authored by wtetsu (creator of Irisu Syndrome!)
Free version (Japanese only):
http://members.jcom.home.ne.jp/wtetsu/mu/
International release (Steam):
http://store.steampowered.com/app/392030/
Creator's homepage:
http://members.jcom.home.ne.jp/wtetsu/