of the puzzle, and the Square Two has extra cuts made to the top and bottom layer, making the edge and corner wedges the same size. The Square-1 (full...

The missing square puzzle is an optical illusion used in mathematics classes to help students reason about geometrical figures; or rather to teach them...

The 15 puzzle (also called Gem Puzzle, Boss Puzzle, Game of Fifteen, Mystic Square and more) is a sliding puzzle. It has 15 square tiles numbered 1 to 15...

X&Y Square-1 (puzzle), a variant of the Rubik's Cube Square One Bus Terminal, an intercity bus terminal in Mississauga, Ontario, Canada Square One Mall...

puzzle. There are different genres of puzzles, such as crossword puzzles, word-search puzzles, number puzzles, relational puzzles, and logic puzzles....

The nine dots puzzle is a mathematical puzzle whose task is to connect nine squarely arranged points with a pen by four (or fewer) straight lines without...

A sliding puzzle, sliding block puzzle, or sliding tile puzzle is a combination puzzle that challenges a player to slide (frequently flat) pieces along...

word puzzle (as per the Roma-Amor puzzle), which was later adopted by Christians. This origin theory, however, fails to explain how a Roman word puzzle then...

(Chinese: 七巧板; pinyin: qīqiǎobǎn; lit. 'seven boards of skill') is a dissection puzzle consisting of seven flat polygons, called tans, which are put together to...

chessboard of n×n squares. Since then, many mathematicians, including Carl Friedrich Gauss, have worked on both the eight queens puzzle and its generalized...

hidden picture. In this puzzle, the numbers are a form of discrete tomography that measures how many unbroken lines of filled-in squares there are in any given...

This is a list of puzzles that cannot be solved. An impossible puzzle is a puzzle that cannot be resolved, either due to lack of sufficient information...

A crossword (or crossword puzzle) is a word game consisting of a grid of black and white squares, into which solvers enter words or phrases ("entries")...

contains all of the digits from 1 to 9. The puzzle setter provides a partially completed grid, which for a well-posed puzzle has a single solution. French...

A jigsaw puzzle (with context, sometimes just jigsaw or just puzzle) is a tiling puzzle that requires the assembly of often irregularly shaped interlocking...

example Eternity puzzle Geometric magic square Puzz-3D Squaring the square Tantrix T puzzle Many three-dimensional mechanical puzzles can be regarded as...

standard daily crossword is 15 by 15 squares, while the Sunday crossword measures 21 by 21 squares. Many of the puzzle's rules were created by its first editor...

Nurikabe (hiragana: ぬりかべ) is a binary determination puzzle named for Nurikabe, an invisible wall in Japanese folklore that blocks roads and delays foot...

Battleship have emerged since the puzzle's inclusion in the first World Puzzle Championship. Battleship is played in a grid of squares that hides ships of different...

burr puzzle is an interlocking puzzle consisting of notched sticks, combined to make one three-dimensional, usually symmetrical unit. These puzzles are...

mathematical treatment of the subject, orthogonal Latin squares predate Euler. In the form of an old puzzle involving playing cards, the construction of a 4...

differently, and 40 puzzle cards. Cars and trucks are both one square wide, but cars are two squares long and trucks are three squares long. Vehicles can...

A rebus (/ˈriːbəs/ REE-bəss) is a puzzle device that combines the use of illustrated pictures with individual letters to depict words or phrases. For example:...

The oldest known mechanical puzzle comes from Greece and appeared in the 3rd century BC. The game consists of a square divided into 14 parts, and the...

A combination puzzle, also known as a sequential move puzzle, is a puzzle which consists of a set of pieces which can be manipulated into different combinations...

the medjig puzzle are 2×2 squares on which the numbers 0, 1, 2 and 3 are placed. There are three basic patterns by which the numbers 0, 1, 2 and 3 can...

prototype further: the simple-to-use website design for the puzzle, and the limitation of one puzzle per day. By January 2021, Wardle had published Wordle on...

range of edge-matching puzzles, and the Edge Match Puzzles iPhone app. MacMahon Squares is the name given to a recreational math puzzle suggested by British...

Entertainment Pack. The sliding puzzle had already been trademarked and sold under different names for decades, including Psychoteaze Square Root, Intreeg, and Ego...

or mystery word puzzle is a word game that consists of the letters of words placed in a grid, which usually has a rectangular or square shape. The objective...