Size illusion games
Five small games, no sign-up, no ads, all the facts sourced. Works with a mouse, a finger or a keyboard.
Game 1
Measure the Trick
Six illusions, one slider each. Make them look equal, then see your error to the per cent.
Play →Game 2Same or Different?
Ten quick calls on randomly drawn illusions. Sometimes they really are identical.
Play →Game 3Ames Room Walk
Walk a person across the trick room, then flip to the view from above.
Play →Game 4Size Illusions Quiz
Ten questions at a time from a bank of 32. Every answer comes with its source.
Play →Game 5Illusion Pairs
A memory game: match each illusion drawing to its name.
Play →