1 Use 70 hints while examining hidden object scenes
2 Pack 9 crates for airships
3 Collect any 5 penguins
4 Get 7 of the Candy Cane
5 Feed pets with 10 bags of food
6 Get 3 of the Santa Hat
7 Get 15 items from the Fortune Wheel
8 Collect any 9 Christmas Trees
9 Get 7 of the Christmas Wreath
10 Receive 500 wheels for sending airships
reward:  Frost Mage avatar

11 Get 5 of the holiday wand
12 Craft 10 items
13 Feed pets 6 times
14 Collect any 5 Snowmen
15 Complete 5 Daily Quests
16 Get 3 unique stamps
17 Get 10 Snowflakes
18 Collect 100 morphing snowflakes
19 Get 5 of the Christmas Bell
20 Collect any 10 Dwarves
reward:  Island Ruler avatar

21 Collect any 11 Reindeer Fauns
22 Beat Anabel at dice 4 times
23 Collect any 6 Elves
24 Collect 50 morphing snowflakes
25 Make 5 trades with the children
26 Collect any 6 Gingerbread Cookies
27 Craft 30 items
28 Get 3 of the Santa Medallions
29 Collect any 13 stockings
30 Open 10 Zoom Zones in 30 minutes
Reward:  Festive Valkyrie avatar (or any other CC avatar you don't already own, make sure you choose avatar before starting the last task)