A game for 2 people. Take turns joining two dots, until your opponent is unable to move.

A game for 2 players. Take turns to place a counter so that it occupies one of the lowest possible positions in the grid. The first player to complete a line of 4 wins.

Players take it in turns to choose a dot on the grid. The winner is the first to have four dots that can be joined to form a square.

The computer starts with all the lights off, but then clicks 3, 4 or 5 times at random, leaving some lights on. Can you switch them off again?

Advent Calendar 2010 - a mathematical game for every day during the run-up to Christmas.

A game for two people, who take turns to move the counters. The player to remove the last counter from the board wins.

A game for 2 players. Can be played online. One player has 1 red counter, the other has 4 blue. The red counter needs to reach the other side, and the blue needs to trap the red.

The aim of the game is to slide the green square from the top right hand corner to the bottom left hand corner in the least number of moves.

Everthing you have always wanted to do with dominoes! Some of these games are good for practising your mental calculation skills, and some are good for your reasoning skills.

A game for 2 players. Draw a daisy with at least 5 petals. Shade 1 or 2 petals next to each other. The winner shades the last petal.

This is a game for 2 players. Each player has 4 counters each, and wins by blocking their opponent's counters. A good follow-on from two stones.

This is a challenging game of strategy for two players with many interesting variations.

A game for 2 players. This could be played outside with people instead of counters. Try to trap or escape from your opponent.

A game for 1 person to develop stategy and shape and space awareness. 12 counters are placed on a board. Counters are removed one at a time. The aim is to be left with only 1 counter.

Slide the pieces to move Khun Phaen past all the guards into the position on the right from which he can escape to freedom.

Solve this Sudoku puzzle whose clues are in the form of sums of the numbers which should appear in diagonal opposite cells.

This article for teachers describes several games, found on the site, all of which have a related structure that can be used to develop the skills of strategic planning.

A Sudoku that uses transformations as supporting clues.

Match pairs of cards so that they have equivalent ratios.

The game uses a 3x3 square board. 2 players take turns to play, either placing a red on an empty square, or changing a red to orange, or orange to green. The player who forms 3 of 1 colour in a line. . . .

Nim-7 game for an adult and child. Who will be the one to take the last counter?

Seeing Squares game for an adult and child. Can you come up with a way of always winning this game?

Advent Calendar 2010 - a mathematical game for every day during the run-up to Christmas.

Totality game for an adult and child. Be the first to reach your agreed total.

Board Block Challenge game for an adult and child. Can you prevent your partner from being able to make a shape?

Who said that adding, subtracting, multiplying and dividing couldn't be fun?

Here are a collection of games from around the world to try during the holidays or the last few weeks of term.

Design your own scoring system and play Trumps with these Olympic Sport cards.

This pair of linked Sudokus matches letters with numbers and hides a seasonal greeting. Can you find it?

Here is a solitaire type environment for you to experiment with. Which targets can you reach?

Given the products of diagonally opposite cells - can you complete this Sudoku?

This game challenges you to locate hidden triangles in The White Box by firing rays and observing where the rays exit the Box.

Two sudokus in one. Challenge yourself to make the necessary connections.

Two sudokus in one. Challenge yourself to make the necessary connections.

Four numbers on an intersection that need to be placed in the surrounding cells. That is all you need to know to solve this sudoku.

A game for 2 players that can be played online. Players take it in turns to select a word from the 9 words given. The aim is to select all the occurrences of the same letter.

This second Sudoku article discusses "Corresponding Sudokus" which are pairs of Sudokus with terms that can be matched using a substitution rule.

A game for 2 players. Given a board of dots in a grid pattern, players take turns drawing a line by connecting 2 adjacent dots. Your goal is to complete more squares than your opponent.

A game for 2 players. Using 2 dice, some counters and a games board, can you form a line of counters from one side of the board to the other?

Exchange the positions of the two sets of counters in the least possible number of moves

An extension of noughts and crosses in which the grid is enlarged and the length of the winning line can to altered to 3, 4 or 5.