A game for two people, or play online. Given a target number, say 23, and a range of numbers to choose from, say 1-4, players take it in turns to add to the running total to hit their target.

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

Got It game for an adult and child. How can you play so that you know you will always win?

Can you find the pairs that represent the same amount of money?

Can you explain the strategy for winning this game with any target?

A game in which players take it in turns to choose a number. Can you block your opponent?

Factors and Multiples game for an adult and child. How can you make sure you win this game?

Play this game and see if you can figure out the computer's chosen number.

Here is a machine with four coloured lights. Can you develop a strategy to work out the rules controlling each light?

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

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.

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

Can you beat the computer in the challenging strategy game?

Here is a chance to play a version of the classic Countdown Game.

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.

Start with any number of counters in any number of piles. 2 players take it in turns to remove any number of counters from a single pile. The loser is the player who takes the last counter.

A Sudoku that uses transformations as supporting clues.

To avoid losing think of another very well known game where the patterns of play are similar.

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.

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.

There are nasty versions of this dice game but we'll start with the nice ones...

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

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

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

Can you work out how to win this game of Nim? Does it matter if you go first or second?

Add or subtract the two numbers on the spinners and try to complete a row of three. Are there some numbers that are good to aim for?

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

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. Set out 16 counters in rows of 1,3,5 and 7. Players take turns to remove any number of counters from a row. The player left with the last counter looses.

Can you match pairs of fractions, decimals and percentages, and beat your previous scores?

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. . . .

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.

A simple game of patience which often comes out. Can you explain why?

This article invites you to get familiar with a strategic game called "sprouts". The game is simple enough for younger children to understand, and has also provided experienced mathematicians with. . . .

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 to make and play based on the number line.

A game for 2 or more people, based on the traditional card game Rummy.

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

A simple game for 2 players invented by John Conway. It is played on a 3x3 square board with 9 counters that are black on one side and white on the other.

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?