Related Clues:
- More unsettling
- More Halloweeny
- Like 'Halloween,' and then some
- Like "Halloween," and then some
- Stranger sounding than 21?
- Spookier, creepier
- More like an empty old mansion at night, say
- European monarch twice hosts one stranger
- More Lovecraftian
- More ghoulish
- Mark crosses river that is more terrifying