The snakelike branches overhead were creepier when she could see them in daylight, and the few birds and insects she saw made her shudder. The sense of being followed didn't leave even in the full light of day.
Maybe you can get extremely creative and simulate a creepier experience by watching some old X-File episodes and replace the sound with some old Manson songs.
Konami's breakaway hit, Silent Hill 4 is just as creepy (if not creepier) than ever before.
Shake and Fingerpop Jason continues to stand out in the Newlins leadership retreat and they take a creepier, special interest in him.