Here is the full list of all 8 I commissioned some bees 13 achievements.
Complete the game in its entirety.
Find everything hidden in the King Of The Costumed artwork.
Find everything hidden in the Eagle Omen artwork.
Find everything hidden in the Undead Dinner artwork.
Find everything hidden in the Grand Manor Staircase artwork.
Find everything hidden in the Very Spooky Party artwork.
Find everything hidden in the Magician Revision artwork.
Find everything hidden in the Halloween Crafts artwork.