Math puzzles

2048 2048 is a single-player sliding puzzle game played on a 4x4 grid.
Calcudoku Calcudoku (also known as KenKen on larger boards or Mathdoku) is an arithmetic-logic puzzle played on an NxN grid.
Color Fill (Kami) Color Fill, popularized by the mobile game Kami, is a puzzle where the player must make the entire board a single solid color within a limited number of moves.
Cryptarithmetic Cryptarithmetic (also called alphametic or verbal arithmetic) is a type of mathematical puzzle where digits are replaced by letters, and the solver must de
Distribution Puzzle Distribution puzzles (also known as constraint allocation puzzles or "eggs and baskets" puzzles) challenge the player to distribute a set of items among co
Flood It Flood It is a strategy puzzle played on a grid of randomly colored cells.
Lights Out Lights Out is a logic puzzle played on a grid of lights, each of which can be on or off.
Logic Grid Puzzles (Einstein Puzzles) Logic grid puzzles, also known as Einstein puzzles or zebra puzzles, present a set of clues about a group of people, objects, or categories and ask the sol
Magic Square A magic square is a grid of distinct positive integers arranged so that the numbers in every row, every column, and both main diagonals all add up to the s
Mastermind Mastermind is a code-breaking game where one player (or the computer) sets a secret code — a sequence of colored pegs — and the other player tries to guess
N Queens The N Queens puzzle challenges the player to place N chess queens on an NxN chessboard so that no two queens threaten each other.
Picross 3D Picross 3D extends the classic nonogram (Picross) concept from two dimensions into three.
SameGame SameGame (also known as Chain Shot!, Clickomania, or Bubble Breaker) is a tile-matching puzzle played on a grid of colored blocks.
Set Set is a card game of visual perception and pattern recognition.
Simon Simon is a memory game where the player must reproduce increasingly long sequences of colors and sounds.
Threes! Threes! is a sliding puzzle game played on a 4x4 grid that inspired the more famous 2048.
Towers of Hanoi The Towers of Hanoi is a classic mathematical puzzle consisting of three pegs and a set of disks of different sizes.