In this general type of puzzle the reader must match one image to another while looking for the inverse, or opposite, image.

The sample uses a real-world example, where a key has made an indent in a piece of clay and the solver must find the indent which precisely matches the given key.

Related Various others variations (click for details and samples):

Circuits

Counting

Cube Count

Image Combination

Jigsaw Assembly

Matching Pieces

Reflection

Rotation

Shape Folding

Various others

Zoomed Detail

Visual & Picture puzzles

Choose a main puzzle type to view sub-categories, variations and samples:

Colour by Pixel

Colour by Shape

Colour by Sticker

Dot-to-dot

Identical Pairs

Jigsaw Cut

Matchsticks

Mazes

Reassembly

Subdivision

Various others