Here is the full list of all 13 Calico achievements. It takes around 5-6 hours to unlock all of the achievements on Windows.
Get your new Cafe ready for customers
Clear the path to the Snowbell Mountains
Clear the path to Cutie City
Clear the Clover Coast beach
Clear the entrance to Golden Grove
Clear the entrance to the Witching Woods
Ride on a giant animal
Meet all the townsfolk on the island
Meet every type of animal on the island
Meet every animal on the island
Fill up your Cafe's menu with every recipe
Complete all tasks requested by townsfolk
Take to the skies and fly on an animal