| Achievement | How to unlock
|
|---|
| Beat a Dead Horse | Defeat the 4th League of Christmas Evil member.
|
| Candy Man | Recruit the old man, Belsnickel.
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| Cthulhu Saves Christmas | Complete the game.
|
| Egg-xcellent | Recruit the witch, Baba Yaga-chan.
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| Eldritch Power | Use a unite ability at 100% power.
|
| Fanny Pack | Fill all 4 item slots with an item.
|
| For Whom the Bel Tolls | Defeat the 5th League of Christmas Evil member.
|
| Hee Ho | Defeat the 1st League of Christmas Evil member.
|
| Let it Snow | Recruit the Snow Maiden, Crystal Claus.
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| Looking for Trouble | Use the battle command.
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| Memories of Future Past | See a familiar face.
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| Mother | Defeat the 6th League of Christmas Evil member.
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| PersonaL Connections | Forge an unbreakable R'lyehtionship.
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| Totally the Last Boss | Defeat the 7th League of Christmas Evil member.
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| Verminated | Defeat the 3rd League of Christmas Evil member.
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| Yule Be Sorry | Defeat the 2nd League of Christmas Evil member.
|