Here is the full list of all 12 Windscape achievements.
Craft 5 items at the different Workstations.
Cut down 5 trees.
Complete 3 quests.
Defeat 5 enemies.
Gather 10 resources.
Find the desert temple.
Travel to Maaki Desert.
Enter the Crypt deep under the Graveyard.
Enter the spooky graveyard.
Enter the Mines on Evergreen Island
Find Walters Watermill.
Enter Sky Harbor.