2. The Hollow Face Illusion: This illusion makes a concave face appear convex, giving it a creepy and unsettling appearance.
3. The Floating Ghost: This illusion makes it seem as though a ghostly figure is floating in the air, despite there being nothing there.
4. The Ebbinghaus Illusion: This illusion makes two identical circles appear different in size due to the surrounding circles.
5. The Disappearing Dots: This illusion makes it seem as though dots are disappearing and reappearing on a grid, creating a spooky effect.
6. The Rotating Mask Illusion: This illusion makes it appear as though a mask is rotating in the opposite direction of its actual movement, creating a creepy and unsettling effect.
7. The Moving Mona Lisa: This illusion makes it seem as though the Mona Lisa's eyes are following you as you move around the room, giving her a haunting and eerie presence.
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Source:https://www.redbubble.com/i/art-board-print/Trippy-Creepy-Psychedelic-Clown-Optical-Illusion-radiating-red-and-black-by-TheTrendsDesk/144181559.JUXJO
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Source:https://moillusions.com/absolutely-terrifying-optical-illusion/
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Source:https://www.coolopticalillusions.com/eye-tricks/scary-faces-illusion.htm
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Source:https://www.anopticalillusion.com/2012/12/scary-santa-optical-illusion/
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Source:https://www.amazon.com/Creepy-Skull-Optical-Illusion-Curiosities/dp/B0B68BXQ6Z
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Source:https://nicos-nextbots-fanmade.fandom.com/wiki/Delusion
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Source:https://themindsjournal.com/creepy-optical-illusion/
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Source:https://news.artnet.com/art-world/motion-aftereffect-haunted-painting-effect-1919578
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Source:https://makeagif.com/gif/scary-optical-illusion-eUrliB
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Source:https://www.goodreads.com/topic/show/1302776-really-scary-optical-illusion