- Home
- New - The latest additions to this site.
- Hot - The hottest images on this site. They got the highest number of stars, from the most visitors.
- Popular - These images were viewed by the most people. So maybe you'll like them too!
- Books - A list of every book that is referenced on this site.
- Creators - A list of all the people who created these wonderful images.
- Items - All items on this site in one, really big list.
- About - Everything you always wanted to know about Planet Perplex, but never dared to ask.
- Tags - Some illusions carry tags so you can find other illusions with the same keywords.
- Illusions
- Color - These illusions trick you into seeing different colors, and even seeing colors that aren't really there
- Motion - Some of these pictures seem to be moving while in fact they're completely still ! Other pictures are indeed moving, but produce surprising results.
- Shape - Your eyes won't believe it but these shapes are all different from what they seem.
- Size - These images will look larger or smaller than they really should.
- Trompe l'Oeil - A "trompe l'Oeil" (fool the eye) is a painting or drawing so life-like, you would think it's real if you were standing there.
- Fun - These are not really optical illusions, but still too fun to keep off this site.
- Recursive - A recursive image contains itself or references itself.
- Photo - Photo's containing an illusion, by accident or deliberately.
- Ambiguous
- Animals - Discover animals in these images, by looking at them in different ways.
- Depth - Is it close or far? Is it coming or going? You be the judge.
- Objects - Watch as one thing can become something completely different, just by looking at it.
- People - People's faces appearing in the strangest places, and faces built from other faces.
- Skulls - These seem to be normal images, until you notice the skull grinning at you.
- View - It's just how you look at it! Depending on your point of view, the same image suddenly looks very different.
- Hidden
- Anamorphosis - An anamorphosis is an image you should view under a very specific angle. If you don't, you'll only see incomprehensible lines.
- Animals - Can you find the hidden animals in these beautiful drawings?
- Mysterious - In each of these mysterious images, a hidden meaning can be found. But which one?
- People - These pictures contain hidden people. Try to find them all!
- Skulls - These artworks all contain a hidden skull somewhere.
- Things - Try to find all the hidden objects in these images.
- Pareidolia - Pareidolia is a difficult word for "to see meaning where there is none". Just think of seeing a teddybear in a cloud, for example.
- Subliminal - Subliminal messages are hidden in a way that makes them only noticeable by your subconscious, at least in theory.
- Impossible
- Perspective - Buildings and constructions that cannot be made in real life.
- Connections - These drawings make connections which aren't actually possible in real life.
- Staircases - Endless staircases where you can keep going up, down or all sides forever.
- Planes - Geometric planes or surfaces with errors which aren't possible in reality.
- Shapes - You can draw these shapes, but they can't actually exist. Typical for these illusions is that you can't color them without coloring the background.
- Transition - These drawings start out with one subject, and fluently become something completely different. Yet you can't really tell where the transition happens.
- Surrealism - A nice art form with great illusons from another reality.
- Puzzles
- Find the Fault - These images contain a hidden error. It's up to you to find it!
- Folding - You can fold these images to reveal something hidden.
- Search - These classical search puzzles contain something or someone hidden. Can you find them all?
- Sliding - Puzzles you have to slide or rotate to solve them.
- Upside Down
- Faces - Faces you can turn upside down.
- Scenes - These pictures can be turned upside down completely, revealing something else.
- Animals - Turn these animals upside down to discover other animals!
- Wordplay
- Ambigrams - Ambigrams are words you can read in more than one way. Sometimes you'll have to rotate or mirror them.
- Drawing - These drawings are made entirely with words.
- Hard to Read - These texts are all hard to read, for different reasons. But you can read them, right ?
- Pseudo Foreign - These words seem to be foreign, but they're really not.