Brain Teasers are mentally challenging puzzles (often in the form of a question or story) that can be solved by applying logic or other mental skills.

This category contains sites about crossword puzzles in general or puzzles to be played with pen and paper. This includes software for game creation, contests between players, and puzzle which can be printed from your computer.

Pictures on wood, cardboard, and metal that have been cut apart into small irregular shapes that fit together when properly assembled. Named after the "jig saw", small maneuverable saw used to cut apart these puzzles.

A maze can be considered a puzzle by which the solution is an uninterrupted path through an intricate pattern of line segments meant to confuse and confound from a starting point to a goal.

Mechanical puzzles are small objects that require manipulation to achieve some result. Examples would be a Rubik's Cube or a ball stuck in a 3D maze.

List of links to pages with original puzzles where you look for the words hidden in columns of letters; called various names, but most often word search or word find puzzles.