Full list of all 30 Chill Corner achievements. It takes around 20-25 hours to unlock all of the achievements in the base game on Windows.
The base game contains 25 achievements, and there is 1 DLC pack containing 5 achievements.
Placing a tree or tree pot
Placing a christmas tree
Studying or working for 3 hour
Feediing a pet
Chilling in one hour
Place a decorator
Unlock a decorator
Choosing to pause your activity
Chilling in 30 minutes
Choosing a character
Changing to another room
Choosing a pet
Chilling in 5 minutes
Creating a todo task
Choosing to loop your faviroutite track
Choosing to next or previous track
Choosing to shuffle play an album
Choosing swnovy weather
Choosing a weather
Choosing rain weather
Choosing sunny weather
Decorating your custom room
Creating your custom album
unlock all decorators
Spending more than 24 hour in Chill Corner
Reading some letters
Unlock all stickers
Replying an email with a sticker
Sending an email
Petting your pet