價格：免費
更新日期：2020-01-22
檔案大小：20M
目前版本：1.1.1
官方網站：http://risaiku.net
Email：risaiku@gmail.com
The shape of the piece you can choose from three.
- triangle
- square
- hexagonal
When you move a piece, you can choose whether to reverse.
Degree of difficulty goes up when you invert.