Here is the full list of all 15 Disney Dreamlight Valley achievements.
Catch 1,800 fish
Start 1,000 daily discussions
Unlock all Biomes
Cook 900 meals
Mine 1,800 times
Complete 1,100 Dreamlight Duties
Fully upgrade the player's House
Give 540 Gifts
Harvest 4,500 Vegetables
Have 15 Best Friends
Remove 3,000 Night Thorns
Collect 1,800,000 Star Coins
Unlock all of Goofy's Stalls
Take 50 pictures
Build 12 Houses for friends