Here is the full list of all 16 Windscape achievements worth 1,000 gamerscore. It takes around 6-8 hours to unlock all of the achievements on Xbox One.
Defeat 5 enemies.
Craft 5 items at the different workstations.
Enter the Crypt deep under the graveyard.
Find the Pyramid in the Desert.
Find the Desert Temple.
Gather 10 resources.
Enter the spooky graveyard.
Complete 3 quests.
Travel to Jivana and find out more about the evil that is threatening your world.
Defeat Kane and save the life spending tree of Jivana.
Cut down 5 trees.
Travel to Maake Desert.
Enter the Mines on Evergreen Island.
Enter Sky Harbor.
Travel to Tambora, which was once a mining colony.
Find Walters Watermill.