Completely stuck. Built the alchemist building, can't built anything else, can't attack the first castle because I don't have 2 types of units. Based on the comments here a building can be destroyed but I have no idea how.
For best results, try to make a vertical column of frosting with minimal mouse movements. Next level, try to make it slightly angled like the tower of Pisa.
Hint: watch youtube videos to get the hang of it and it will be very easy. When you're slow, you can speed up with bumpy slopes like \/\/\/\/. When you're fast, do long slopes and also spaces between them like \____/ . . . . . \____/. The most important thing to focus on is the gates because if you miss them, you'll lose your multiplier.
changing my 4/5 to 3/5. sometimes death is totally inevitable, too much luck is needed. 5000 is more like impossible than hard. very nice idea though, just add some AI to make sure that every situation is solvable.