Here is the full list of all 19 The Cauldron Kids: The Summoning of Mr. Vermicelli achievements.
Won the apple race as Layla
Won the apple race as Cassie
Won the apple race faster than the devs!!
Cleared the stairs without falling into a portal
Answered the wand's riddles correctly on the first try
Waited out Mom's approach
Made it through the void without going the wrong way
Go the wrong way in the void ten times
Check every shaker in the kitchen
Won the shaker race as Layla
Won the shaker race as Cassie
Won the shaker race faster than the devs!!
Defeated Abab without feeding any apples
Commenced the summoning with Layla
Commenced the summoning with Cassie
Put an apple on your head
Did the secret boar room quest
Fell down the stairs as Mr. Vermicelli (ouch)