User blog comment:뱀파이어 쿠키/About Cookie Run Sound Files/@comment-33658145-20160712024028

I'm not sure if they are corrupted, but they might be encrypted. If you do find a way around it, please let us know! Then we might update the files with a higer-quality version.

Also, the sound files in the newer versions can only be seen if you have an iPhone or iPad running iOS 8.2 or earlier, or if you root your Android phone (which I do not reccommend).

Stupid session hijacking notice; not letting me post this on time.