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