Trick or Treating
Approaching Belinda she would give you a quest, you have to collect 10(?) copper and 10(?) Chili Plants which could be found through scavenging in order to receive a Pumpkin Jar that you could place on your land. Once placed on your land other players would visit you and trick or treat leaving you behind a random candy when they did. You could also collect candy by visiting other players lands and interacting with their Pumpkin Jar's. These refreshed once every hour on the hour. The candy you could get was the following:
Hard Candy, Toffee, Sour Ball, Gum Ball, & Bonbon's

Exchanging Your Candy
Delia Was the event NPC that held the event items store. Once you had collected enough of one candy you could trade it in for items with her.

Delia_s_witch_hat.png Delia's Witch Hat Item Cost Unknown
Delia_s_pumpkin_anklets.png Delia's Pumpkin Anklets Item Cost Unknown
Delia_s_tattoo.png Delia's Tattoo Item Cost Unknown
jacket.png Delia's Jacket Item Cost Unknown
Delia_s_shoes.png Delia's Shoes Item Cost Unknown
Delia_s_Cincher.png Delia's Cincher Item Cost Unknown
Delia_s_suit.png Delia's Suit Item Cost Unknown
Delia_s_Pumpkin.png Delia's Pumpkin Item Cost Unknown
castle.png Abandoned Castle Item Cost Unknown
Spider_mistress_shirt.png Spider Mistress Shirt Item Cost Unknown
spider_mistress_gloves.png Spider Mistress Gloves Item Cost Unknown
Spider_mistress_skirt.png Spider Mistress Skirt Item Cost Unknown
Pumpkin_Puppy.png Pumpkin Puppy 500 Luna
Batty_Pumpkin_Lamp.png Batty Pumpkin Lamp Item Cost Unknown
Gravestone_Decoration.png Gravestone Decoration Item Cost Unknown
Pumpkin_Strret_Light.png Pumpkin Street Light Item Cost Unknown
Pumpkin_walkway_light.png Pumpkin walkway light Item Cost Unknown
Small_Twisted_Left_Tree.png Small Twisted Left Tree Item Cost Unknown
Small_Twisted_Right_Tree.png Small Twisted Right Tree Item Cost Unknown
Finally a special item was given to every user that logged on before October 31st Pumpkin_Kitty.png Pumpkin Kitty