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.
368 × 700
Source:https://www.demilked.com/scary-optical-illusions/
720 × 1280
Source:https://www.youtube.com/watch?v\u003djXAlZ7ef8UY
235 × 303
Source:https://coolopticalillusions.com/tag/scary/
697 × 639
Source:https://steemit.com/illusion/@primalcop/optical-illusions
600 × 449
Source:https://theparanormalchronicles.com/2015/06/05/what-do-you-see-optical-illusions-suggestive-minds-or-something-more/
800 × 1200
Source:https://www.the-sun.com/lifestyle/4987699/creepy-optical-illusion-reveals-outlook-love/
828 × 500
Source:http://visualfunhouse.com/category/scary_illusions
447 × 828
Source:https://twitter.com/Psych_Review/status/1320905595793362945
1600 × 1600
Source:https://www.news18.com/news/buzz/this-spooky-optical-illusion-will-leave-you-seeing-horrifying-things-5027293.html
862 × 660
Source:https://www.heart.co.uk/lifestyle/optical-illusion-girl-sinking-pavement-buried/