Folks, Halloween is so underrated. Not only does it kick off the holiday season, but Halloween is an excuse for all of us to dress up, eat tons of candy, carve pumpkins, and watch scary movies. In addition, Halloween has infiltrated all our favorite Facebook games. FarmVille, The Sims Social, and CityVille have all received special Halloween promotions, Halloween items, and new Halloween features.

And that's just the beginning. Expect to see more Halloween-themed goodies from the other Facebook games right here. Check out our entire Halloween Guide below.

FarmVille Halloween

• FarmVille Mystery Game (10/30/11): Halloween items take a final stand
• FarmVille Trick or Treat Goals: Everything you need to know
• FarmVille Trick or Treat: Everything you need to know
• FarmVille Halloween Items: Witch Costume, Halloween Candle Tree and more
• FarmVille Lighthouse Cove Pirate Bonus Goals: Everything you need to know
• FarmVille Halloween Items: Black Cat Fence, Pumpkin Fountain and more
• FarmVille Lighthouse Cove Halloween Pirate Goals: Everything you need to know
• FarmVille Huge Jack-O'Lantern Goals: Everything you need to know
• FarmVille Halloween Items: Dark Peach Tree, Black Guinea Pig and more
• FarmVille Huge Jack-O'Lantern: Everything you need to know
• FarmVille Lighthouse Cove Ghost Bonus Challenges: Everything you need to know
• FarmVille Halloween Items: Black Mini Unicorn, Haunted Farm House and more
• FarmVille Lighthouse Cove Ghost Goals: Everything you need to know
• FarmVille: Plant Black Tulips for Halloween
• FarmVille Count Duckula's Castle Goals: Everything you need to know
• FarmVille Halloween Items: Cookie Tree, Pumpkin Snowman, Mad Scientist Lab and more
• FarmVille Count Duckula's Castle: Everything you need to know
  
• FarmVille Halloween Items: Zombie Gnome, Bat Dog, Mossy Tree and more
• FarmVille: Free Skeleton Cow making the rounds
• FarmVille Halloween Items: Dark Apple Tree, Batwing Horse, Bat Pumpkin and more
• FarmVille Halloween Items: Nightmare Unicorn, Fire Peach Tree and more
  
• FarmVille: Halloween Black Belgian horse available for coins
• FarmVille Halloween Model Farm offers free Arborists and more
• FarmVille Halloween items: Candy Corn Tree, Halloween Cottage, Jack-O'-Lantern and more

CityVille Halloween

• CityVille Energy Ghosts: Everything you need to know
• CityVille Plagued Playground Community Building: Everything you need to know
• CityVille Haunted Library Community Building: Everything you need to know
• CityVille Halloween Monsters Act 3 Goals: Everything you need to know
• CityVille: More Halloween homes, decorations and community buildings hit the store
• CityVille Halloween Sweet Tooth Goal: Everything you need to know
• CityVille Demented Dentist Community Building: Everything you need to know
• CityVille Halloween Act 2 Goals made easier with smaller requirements
• CityVille: Crypt Keeper's Crib added to Halloween extravaganza
• CityVille Treats 'N Sweets Booth: Everything you need to know
• CityVille Zombie ER: Everything you need to know
• CityVille Tree of Enchantment: Everything you need to know
• CityVille Haunted Hotel: Everything you need to know
• CityVille Halloween Monster Mystery Game: Everything you need to know
• CityVille Forsaken Fortress helps you finish goals for a price
• CityVille's Halloween Decorating Contest offers big rewards for big scares
• CityVille Mausoleum Community Building: Everything you need to know
• CityVille Halloween Meet the Monsters Goals: Everything you need to know
• CityVille Halloween Monsters: Everything you need to know
• CityVille Governor's Run Vampire Goals: Everything you need to know
  
• CityVille: Halloween Monster Ship shows up in city waters
  
• CityVille Hometown Halloween update gives your city the spooky touch

The Sims Social Halloween

• The Sims Social sets a spine-chilling scene with new Halloween images
• The Sims Social Haunted House Week items punish friends' pranks
• The Sims Social finally gets spooky in The Ultimate Horror Movie Week
• The Sims Social celebrates Halloween with Werewolves vs Vampires week

FrontierVille Pioneer Trail Halloween

• Pioneer Trail Ghost Town: Purchase limited edition items for a free Ghostly Horse
• Pioneer Trail Halloween on the Homestead Contest: Walk away with 2,000 Horseshoes!
• Pioneer Trail Trick or Treat Goals: Everything you need to know
• Pioneer Trail Spook Shack: Everything you need to know
• Pioneer Trail Haunted Homestead: Everything you need to know
• Pioneer Trail Family Secret Goals: Everything you need to know
• Pioneer Trail Halloween Store: Stock up on scary supplies in one place
• Pioneer Trail Halloween Hutch: Everything you need to know
• Pioneer Trail Ghost Town Haunted Garden: Everything you need to know
• Pioneer Trail Ghost Town Giant Cauldron: Everything you need to know
• Pioneer Trail Ghost Town Goals: Everything you need to know
• Pioneer Trail Ghost Town feature coming soon [Video]

Empires & Allies Halloween

• Empires & Allies: Halloween items now available in the store

Angry Birds Halloween

• Angry Birds Halloween horror movie spoof channels Hitchcock [Video]
• Angry Birds Seasons Halloween update means a new bird is in town
• Something is a brewin' for the Angry Birds this Halloween [Video]

Cafe World Halloween

• Cafe World Trick or Treat Party Catering Order: Everything you need to know
• Cafe World Witch's Cauldron: Everything you need to know
• Cafe World Halloween Siggy's Tricks Goals: Everything you need to know
• Cafe World Halloween Amelia's Treats Goals: Everything you need to know
• Cafe World Halloween Candy Bowl - Everything you need to know

Other Halloween Game Updates

• The Top Five Spooky Facebook Games to Play Halloween Night
• Adventure World Creepy Crypt Expedition: Everything you need to know
• Adventure World Halloween Sneak Peek: Halloween Volcano coming soon
• Nexon's next social game, Zombie Misfits, looks for brains on Facebook
• Meteor Games makes Island Paradise an island terror for Halloween
• PopCap says 'Happy Halloween' with pumpkins, zombies and ... a rave?
• The Killer Pumpkin assaults Pocket God on Facebook this Halloween

Make sure to check back for more Halloween Facebook game updates! Which Halloween update was your favorite? Vote here!