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?

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.

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

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

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

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. 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.

An article for teachers and pupils that encourages you to look at the mathematical properties of similar games.

A game for 2 players with similarities to NIM. Place one counter on each spot on the games board. Players take it is turns to remove 1 or 2 adjacent counters. The winner picks up the last counter.

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.

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

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.

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

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

All you need for this game is a pack of cards. While you play the game, think about strategies that will increase your chances of winning.

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.

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. . . .

A game for 1 or 2 people. Use the interactive version, or play with friends. Try to round up as many counters as possible.

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

Basic strategy games are particularly suitable as starting points for investigations. Players instinctively try to discover a winning strategy, and usually the best way to do this is to analyse. . . .

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 article supplies teachers with information that may be useful in better understanding the nature of games and their role in teaching and learning mathematics.

This article, the second in the series, looks at some different types of games and the sort of mathematical thinking they can develop.

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

A game to make and play based on the number line.

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

You'll need two dice to play this game against a partner. Will Incey Wincey make it to the top of the drain pipe or the bottom of the drain pipe first?

Take turns to place a decimal number on the spiral. Can you get three consecutive numbers?

In this game for two players, the idea is to take it in turns to choose 1, 3, 5 or 7. The winner is the first to make the total 37.

Train game for an adult and child. Who will be the first to make the train?

Incey Wincey Spider game for an adult and child. Will Incey get to the top of the drainpipe?

Can you make the birds from the egg tangram?

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

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

Spiralling Decimals game for an adult and child. Can you get three decimals next to each other on the spiral before your partner?

A shunting puzzle for 1 person. Swop the positions of the counters at the top and bottom of the board.

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

Take it in turns to place a domino on the grid. One to be placed horizontally and the other vertically. Can you make it impossible for your opponent to play?

Work out the fractions to match the cards with the same amount of money.

Can you spot the similarities between this game and other games you know? The aim is to choose 3 numbers that total 15.

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.

An interactive activity for one to experiment with a tricky tessellation