Full list of all 11 Slime's Journey achievements worth 1,000 gamerscore. It takes around 0.5-1 hour to unlock all of the achievements on Xbox One.
Get the Double Jump Potion.
Get the Enhanced Shooting Rate Potion.
Get the Potion of Swimming.
Get the Potion of Strength.
Defeat 150 enemies.
Get the Big Jump Potion.
Defeat 100 enemies.
Get 1 HP increase potion.
Defeat 50 enemies.
Open 1 treasure chest.
Try new clothes.