SM is short for StepMania, the software that uses this file extension to store song files.
StepMania is a rhythm and dancing game that can be played with a dance mat.
.sm File
Extension
Developer:
StepMania
档案类别:
什么是 sm 档案以及打开它的方法 - Stepmania Song File
档案类别:
开发商:
StepMania