Board Thread:General Discussion/@comment-28740459-20180802215153/@comment-32601667-20180804015007

Jetpack is ok.Most people use it so they don't fall down.

Also, especially in King Cherrycake, the boss known as the nightmare lie,we can say the difficulty will change from Nightmare to Intermediate if you use Jetpacks, but I don't mind not using them both in chronos and king cherry cake.