The dancing synchronization game MikuMikuDance uses SPA file to store model effects, such as hair and attire.
The file is saved as a BMP file with the SPA extension.
.spa File
Extension
Developer:
MikuMikuDance
档案类别:
什么是 spa 档案以及打开它的方法 - MikuMikuDance Sphere Mapping File
档案类别:
开发商:
MikuMikuDance