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.
Spending more than 24 hour in Chill Corner
unlock all decorators
Placing a christmas tree
Studying or working for 3 hour
Feediing a pet
Decorating your custom room
Changing to another room
Creating your custom album
Chilling in one hour
Chilling in 30 minutes
Choosing to loop your faviroutite track
Choosing to shuffle play an album
Choosing to next or previous track
Placing a tree or tree pot
Place a decorator
Unlock a decorator
Choosing a pet
Choosing a character
Creating a todo task
Choosing to pause your activity
Choosing swnovy weather
Choosing rain weather
Choosing a weather
Choosing sunny weather
Chilling in 5 minutes
Unlock all stickers
Reading some letters
Replying an email with a sticker
Petting your pet
Sending an email