Board Thread:Questions and Answers/@comment-5055839-20131213015922/@comment-5560282-20140217123749

For me, Medium is Rainbow, Hard is Ceramic, Very Hard is MOAB and Impoppable is BFB.

On one terrain, Medium is CERAMIC, Hard is MOAB, and Very Hard and Impoppable are both BFBs.

Why the change? Why are all the bloons lowered down 1 difficulty level?