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