• Costume

  • Candle

  • Carving

  • Trickortreat

  • Broomstick

  • Scarecrow

  • Jackolantern

  • Candycorn

  • Hauntedhouse

  • Candy

  • Bats

  • Mummy

  • Pumpkin

  • Skeleton

  • Ghost

  • Spiderweb

  • Spooky

  • Witch

  • October

  • Vampire

  • Party

  • Halloween

  • Boo

  • Goblin

  • Creepy

In shadows I dwell, my name concealed, In the world of the eerie, my presence revealed. Cryptic and crypt, find the key to advance, The word you've found, in darkness, takes its chance.

What am I?

Hint: All codes are case sensitive.