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Optical Illusions

BrainBashers™ currently has 194 optical illusions. Optical illusions are often described as visual images that differ from reality - the eyes and brain 'see' something that doesn't quite match the physical measurement of the image. Optical illusions can work in various ways, they can be images that are different from the objects that make them, they can be ones that come from the effects on the eyes and brain through excessive stimulation, and others where the eye and brain make unconscious inferences.


Random Illusion

 

Random Illusion


Most Recent

Shrinking Square?  [New]
Does the square change size?
Impossible Structure
Could this structure be made?
Impossible Ring
Could this ring be made?
Cube Shadows
Do the cubes increase in height?
Straight Lines?
Are the lines straight?
Twelve Dots
Can you see all 12 dots?
Hermann Grid
Can you see the ghost blobs at the intersections?
In Or Out Cubes?
Do the cubes go in...or out?
Impossible Bricks?
Could you stack this collection of bricks?
Moving Image?
Does the image move as you alter your view point?


Virtual Objects

Three Lines Make A...?
Three lines make a...?
Triangle?
Does the centre triangle really exist?
Impossible Triangle?
The impossible Penrose triangle?
A Lovely Vase?
A lovely vase?
White Arrows?
Do the white arrows exist?
Missing Rectangle?
Missing rectangle?
A-B-C : 12-13-14?
Read the line across and then down: A-B-C or 12-13-14?
Is The Square Really There?
Is the square really there?
Impossible Staircase?
Impossible staircase of squares?
What Can You See?
What can you see?
How Many Shelves?
How many shelves can you count?
Impossible E?
Impossible E?
Impossible Shelf?
Impossible shelf?
Impossible Prongs?
Impossible prongs?
Impossible Frame?
Impossible frame?
Impossible Shelf?
Impossible shelf?
Duck Or Rabbit?
Is this a duck or a rabbit?
What Can You See?
What can you see?
Impossible Walls?
Impossible walls?
Impossible Waterfall?
Is the water flowing uphill in this impossible Escher type waterfall?
Woman Or Skull
Life, death, and the meaning of existence are intertwined.
Virtual Sphere
Can you see the virtual Gestalt sphere?
Same Level Balls?
Are the two balls really at the same level?
Magpie On Gallows
The Magpie on the Gallows.
Old Or Young Lady?
Old lady or young lady?
Skull Or Children
Can you see the skull, and the children?
Nine Hidden People?
Can you find the nine hidden people?
Colomba
Can you see the lady's face hidden in the doves?
Horizontal Lines?
Do the lines actually exist?
Tray Illusion
Find a way to completely remove one of the glasses from the tray.
The Borromean Rings
The Borromean rings.
The Steps
Is a real square created here?
Old Man / Young Lady
Can you see both the old man, and the young lady?
False Steps
Can these steps be carved from this piece of stone?
Old Or Young Lady?
Can you see both the old lady and the young lady?
Thatcher Effect
Is there anything wrong with the image (besides being upside down)?
Emotional Face
What kind of emotion does this Venetian face have?
In Or Out?
Do the panels go in or out?
Impossible Staircase?
Try to follow the stairs around.
Glass Half Full?
If this was a normal (3D) glass, when would it be half full?
Cube Pop?
The cubes will pop in and out as you stare at them.
Following Eyes
Do the eyes follow you around the room?
Editor
Can you see a word?
Hidden Faces
Can you find his three daughters as well?
How Many Cubes?
How many cubes can you count?
False Perspective
The importance of knowing perspective!
What Am I?
Can you tell what this is a picture of?
Top Or Bottom?
Are you looking at the top or the bottom of the glass?
Upside Down Staircase?
Is this the view of a set of stairs which you can walk up?
Facial Landscape
Can you see the face in this landscape?
False Perspective
Can you count how many bars are in the image?
Duck Or Rabbit?
Is this a duck or a rabbit?
Impossible Bricks?
Could you stack this collection of bricks?
In Or Out Cubes?
Do the cubes go in...or out?
Cube Shadows
Do the cubes increase in height?
Impossible Ring
Could this ring be made?
Impossible Structure
Could this structure be made?


Our Favourites

Shadow Illusion
Are the squares A and B the same colour?
Duck Or Rabbit?
Is this a duck or a rabbit?
What Am I?
Can you tell what this is a picture of?
Spinning Dancer
Which way is the dancer spinning?
Hidden Faces
Can you find his three daughters as well?
Who Turned To?
Who is missing?
Impossible Waterfall?
Is the water flowing uphill in this impossible Escher type waterfall?
Blind Spot
An amazing demonstration of your blind spot.
Same Eyes?
Are her eyes the same colour?
The Butterfly
A colourful butterfly?
Impossible Prongs?
Impossible prongs?
Parallel Cafe Wall Lines?
Are the horizontal lines parallel?


Shape Distortion

Is This A Square?
Is this really a square?
Is This A Square?
Is this really a square?
Are These Lines Parallel?
Are the horizontal lines parallel?
Parallel Cafe Wall Lines?
Are the horizontal lines parallel?
Are These True Squares?
Are these true squares?
Are These Line Straight?
Are these lines straight?
Or These?
Are these lines straight?
Another Set Of Squares?
Are these 3 true squares?
More Straight Lines?
Are the lines straight?
Straight Diagonal Lines?
Are the lines straight?
Distorted Square?
Are the lines in the square parallel?
Outer Bulge
Are the lines horizontal and vertical?
Inner Bulge
Are the lines horizontal and vertical?
Another Distorted Square
Another distorted square.
Is This A Real Circle?
Is this a real circle?
Square Distortion
Are the lines horizontal and vertical?
Middle Of The Circle?
Which dot is in the middle of the circle?
Triangular Middle?
Is the dot half way down the triangle?
Horizontal Circles?
Are the circle's lines horizontal?
Impossible Design?
Impossible design?
Interesting Escalator
A very interesting escalator.
A True Square?
Is the central square actually square?
Size Distortion
Are the three cars the same size?
Parallel Lines?
Are the two lines parallel?
Bulging Square?
Is there a bulge in this square?
Where Is The Middle?
Which finger is pointing at the exact middle of the shape's height?
Wiggly Chequerboard
Is the chequerboard straight?
Twisted Chequerboard
Is the chequerboard straight?
Diamond Illusion
Are the diamonds straight?
Straight Lines?
Is the chequerboard straight?
Straight Diagonals?
Are the diagonal lines straight?
Straight Lines?
Are the lines straight?
Straight Rope?
Is the rope a single straight line?
Moving Circle?
Does the circle appear to move?
Centre Bulge?
Can you see a bulge at the centre?
Vertical Lines?
Are the lines vertical/horizontal?
Centre Bulge?
Does the centre bulge out?


Size Distortion

Same Size Circles?
Are the middle circles both the same size?
Same Length Lines?
Are these vertical lines the same length?
Same Length Lines?
Are the vertical lines the same length?
Which Is The Biggest Circle?
Which line comes from the biggest circle?
Same Size Sections?
Same sized sections?
Same Size White Bars?
Same size white bars?
Which Line Is Longer?
Which line is longer?
Which Is Wider?
Arrow tip to arrow tip, which gap is wider?
A-B Or B-C, Which Is Longer?
A-B or B-C, which is longer?
Same Area?
Is there more blue or more red? Neither, they are the same!
Same Length?
Which horizontal line is longer?
Lamp And Base
Is the top of the lamp the same width as the top of the base?
Angled Circles
Which circle is the largest?
Same Size Squares?
Which orange square is the largest?
Y The Same?
Are the V's of the Y's horizontally aligned?
Same Length Red Lines?
Are the red lines the same length?
Same Length?
Are the parallel lines the same length?
Which Line?
Which of the four sections is part of the same line?
Leaning Tower Of Pisa
Does the tower on the right really lean more?
Same Length Lines?
Are the two lines the same length?
Same Squares?
Are the small squares the same size?
Same Circles?
Are the circles the same size?
Same Length?
Are the vertical and horizontal lines the same length?


Visual Distortion

How Many Black Circles?
How many black circles can you see?
A Bird In The Hand?
Read this out aloud - are there any mistakes?
Are There Any Grey Dots?
Are there any grey dots?
Faulty Read-out?
Can you quickly spot the faulty read-out?
The Ring Of Grey?
Is the ring an even grey?
Book Illusion?
Is the book pointing towards you or away?
In Or Out?
Is the dot inside or outside?
Missing Cube?
A cube in a room or a cube with a bit missing?
Light Bulb Afterglow
Can you make the light bulb glow?
Coloured Afterglow
An afterglow of colour.
Flag Afterglow
Does this Canadian flag have the wrong colours?
Grey Diagonal?
Can you see diagonal grey lines?
Glass Illusion?
Which line continues the straw?
Moving Image?
Move your head, or scroll the page.
Moving Square?
Move your head, or scroll the page.
More Than 2 Colours?
How many colours - only 2?
Shadow Illusion
Are the squares A and B the same colour?
Same Colour Orange?
Same colour orange?
Identical Squares?
Believe it or not, these are two identical squares side by side.
Same Colour Grey?
Same colour diamonds?
More Grey?
Same colour middles?
Rotating Eyes
Can you see the eyes rotating.
Slow Gears
Do the gears rotate slowly?
Level Balance?
Is this a level balance?
Wobbly Skyscrapers?
Wobbly skyscrapers?
Same Coloured Cube Faces?
These cubes have the same colour faces.
Rotating Circles?
Move your head closer and further away.
Same Colour Squares?
Are the two squares the same colour?
Colour Distorted Square
Colour distorted square.
Same Colour Middles?
Same colour middles?
Continuously Coloured?
Is the central bar a continuous colour?
Same Coloured Green Ends?
Are the greens at the sides really that different?
Same Coloured Dogs?
Are the dogs the same colour?
Disappearing Fluff
Stare at the middle dot and the colours eventually disappear.
Disappearing Circle
Stare at the middle dot and watch the blue circle disappear!
Garbled Text?
Can you read the text?
Colour Deception
Are the ends the same colour?
Same Colour Crosses?
Are the middles of the crosses the same colour?
Healing Grid?
Stare at the middle of the grid and you will see it begin to heal!
Coloured Regions
Are the regions marked A the same colour as those marked B?
Same Coloured Cubes?
Are the two areas the same colour?
Funny Cow
This cow has all the wrong colours.
Spinning Dancer
Which way is the dancer spinning?
Cat Food
The cat is dreaming about its lunch.
Coloured Balloons
A colourful balloon?
Same Sized Spheres?
Are the two spheres the same size?
Blind Spot
An amazing demonstration of your blind spot.
Two Spheres
Are the two squares with dots in the same colour?
Spinning Disc
Which way is the disc spinning?
Contrast Circles
Are the middles the same?
The Butterfly
A colourful butterfly?
Orange Heart
Can you see an orange neon heart with a halo around it?
Mona Lisa
An afterimage painting of the Mona Lisa.
Same Greys?
Are all of the greys the same colour?
Benary Cross
Are the two grey triangles the same colour?
Tilt Illusion
A tilting illusion.
Chequered Illusion
Light grey and dark grey?
Black Hole
See the black hole expand.
Broken Dish
Stare at one of the lobster's eyes, does the plate repair itself?
Same Arrows?
Are the reds the same colour red?
Same Eyes?
Are her eyes the same colour?
Disappearing Stars
Stare at the middle dot and the stars eventually disappear!
One, Two, Three?
Close-up and far away, the words change!
Growing A?
Can you make the letters grow?
Animated?
Is the image animated?
Rotation?
Does the image rotate as you hide it?
Lilac Chaser
Gaze at the central cross and watch the patches disappear.
Darker Square?
Which square is darker, A or B?
Same Pinks?
Are the pink squares the same shade of pink?
Same Colours?
Are the pink cards the same colour (second from the left)?
Scintillating Grid
Can you see all of the white dots all of the time?
Moving Image?
Does the image move as you alter your view point?
Hermann Grid
Can you see the ghost blobs at the intersections?
Twelve Dots
Can you see all 12 dots?
Straight Lines?
Are the lines straight?
Shrinking Square?  [New]
Does the square change size?

 

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