Crimzon Clover

Crimzon Clover (クリムゾンクローバー) is a vertically scrolling dojin bullet hell Flash game developed by Yotsubane and released at the 79th Comiket. Its name is a reference to the crimson clover, a species of clover native to Europe. Originally released for Windows on January 11, 2011 in Japan, a NESiCAxLive arcade version was released on April 25, 2013.