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