Here is the full list of all 36 Juicy Realm achievements.
Kill the Cake Boss
Kill the Cactus Boss
Save your teammate 10 times
Clear dungeon with 2 players
Kill the Melon Boss
Pick up 10,000 Coins
Kill 100 Pears
Die 1 time
Clear normal difficulty
Use PonPon to clear dungeon
Kill the Blueberry Boss
Kill 100 Apples
Kill 100 Melons
Use Alpha to clear dungeon
Use Tokoroa to clear dungeon
Use Amy to clear dungeon
Clear stage without spending and Gold
Open 50 treasure chests
Die 10 times
Use Boborot to clear dungeon