halloween!

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Across
  1. 3. a scary synonyme
  2. 7. peek-a-…
  3. 8. saharan potion maker?
  4. 9. one of two options when knocking at the door
  5. 12. themed attraction for adrenaline junkies
  6. 13. snow sport style or themed activity with a 4-down
  7. 15. snack of choice for a 5-down
Down
  1. 1. coloured pet or bad omen
  2. 2. mad scientist responsible for the creation of a human-like monster
  3. 4. themed orange decoration
  4. 5. undead sapient creature
  5. 6. transparent haunter, in caricatures
  6. 10. anatomical chassis
  7. 11. parental figure?
  8. 14. famous count