Horizontal striped candy + waffle cannon is introduced in level 4161.
Horizontal striped candy + vertical striped candy cannon is introduced in level 4173. This cannon differs from a regular striped candy cannon. Regular striped candy cannons dispense striped candies in general, with their direction being random. Horizontal striped candy + vertical striped candy cannons dispense both types of striped candies, but each type has a specific spawn rate.
Gelato Glacier is a very hard - extremely hard episode, mean = 5.93. It contains two hard levels: 4165 and 4172, six very hard levels: 4162, 4168, 4170, 4173, 4174 and 4175, and one extremely hard level: 4171. Overall, it is much easier than the previous episode, Glittery Gala.