Board Thread:General Discussion/@comment-180.255.252.151-20151009034504/@comment-35353971-20180607013724

Easiest to hardest.

Red - Black - White - Perfect - Divine. These are the ones I've beaten so far.

From what I've heard, Cosmic and Metal are similar in difficulty, and same with Super Cosmic and Zyclone, but generally those last two mentioned are the hardest.