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