Here is the full list of all 37 Azazel's Christmas Fable achievements.
Talk to the mannequins
Feel the electricity course through your veins
Feed a reindeer
Find an outfit that will conceal your horns and tail
You must be a genius
Break into that vault
Perform at Club I.C.E.
Successfully lift a fingerprint
Beat all three stages of authentication
Successfully build a toy
Win a trophy
Gain access to the castle
Cause a power outage in Santa's Village
Focus the sunrays
Defeat Gorgomon
Find all 35 Christmas crackers
Power up the machine
Solve the magical door puzzle
Hit the bells in the right order
Figure out the right sequence
Find the entrance to the ice caverns
Beat Brad at his own game
You solved the classic gamer's code
Solve the circuit board
Zap that bouncer
Take a look at 3 different outfits from the shop
Get kicked out of Elf on the Green
Make an explosive entrance at Club I.C.E.
Take a bite out of Brad's arm
Feed all 9 reindeer
Argue with Santa about who holds a higher rank
Hit the ball 500 yards for real this time!
Lead Blitzen on a wild goose chase
Spin the arrow, win a prize...or an achievement
Return the frost star
Knowing more than you should
Sometimes we give in to our natural-born instincts