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Achi

This game for two players comes from Ghana. However, stones that were marked for this game in the third century AD have been found near Hadrian's Wall in Northern England.

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Sumo

Reasoning based on this Japanese activity.

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Line of Four

A game somewhat similar to 'noughts and crosses' on a much larger space.

Horizontal Vertical

Stage: 1 Challenge Level: Challenge Level:2 Challenge Level:2

This is a game for you to play against a friend.
You must take it in turns to place a domino on the grid so that each domino covers two squares. One of you is only allowed to place your dominoes horizontally and the other must place dominoes vertically.
The winner is the person who manages to make it impossible for his/her opponent to play.

The interactivity is set up with blue horizontal dominoes and green vertical dominoes.
Play the game a few times.
Can you work out which player will win? What is the winning strategy? What might be winning moves?
You could change the grid shape and/or size. How does this affect the strategy?

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