The Once in a Blue Moon Add-on for Disney Fairies Hidden Treasures (Windows) has 20 achievements worth 200 gamerscore.
Find an orange lantern in the Council Chambers.
Clean away the slime on the blueprint cupboard in the Council Chambers.
Use tongs to lift the blueprint out of the bowl of berry paint in the Council Chambers.
Find all of the scepter parts that Terence 'organized' in Tinker Bell's house.
Set the water beetle into the wheel of the fire-tending contraption in Tinker Bell's house.
Help to assemble Tink's scepter design in Tinker Bell's house.
Talk to Verse about the script problem in Fairy Tale Theatre.
Return the orchestra animals to their podium in Fairy Tale Theatre.
Come up with a plan to repair the old contraption in Fairy Tale Theatre.
Wake up the slumbering bookworm in the Book Nook.
Pick up the netted golden book in the Book Nook.
Find all of the rope that Tink needs for her cottonpuff balloon in Cottonpuff Valley.
Shoo the snail on the floor in the Council Chambers completely out of view.
Wipe away the moonsnail slime from any slimy door handle in a single motion.
Make the cuckoo clock cricket pop out of his clock in Tinker Bell's house.
Win a game of Conductor Says with the orchestra animals in Fairy Tale Theatre.
Save a scepter design that you created in freeplay mode of The Scepter Workbench.
Find all eight of the talent charms hidden in chests throughout the adventure.
Build all eight of the scepters shown on the old blueprints in The Scepter Workbench.
Fully assemble Tinker Bell's cottonpuff balloon in Cottonpuff Valley.