Related Clues:

• More hair-raising
• More weird
• More spooky
• Like "Psycho," and then some
• More freaky
• More chill-inducing
• More chilling
• Less reassuring, perhaps
• Like haunted houses, compared to ordinary houses
• More haunting
• More inexplicable
• Comparatively spooky
• More unearthly
• More macabre
• More creepy/crawly