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