This game, called Kaxo, was invented by Alex Voak, a student at the King's School in Ely.
Kaxo is a real challenge! Two players who take turns crossing out dots using vertical, horizontal, and diagonal (45 degree) lines. They can also choose to cross out a single dot. Lines must not pass through each other, or any dots that have previously been crossed out. The player who crosses out the last dot loses. (You can see Alex explaining the rules in the video below.)
Have a go at playing the game, either against the computer, or against a friend (choose 1 player or 2 players).
If you can't find a winning strategy, why not try reducing the grid size or work backwards from a completed game?
In the video below Alex explains the rules of the game and discusses how to play it.
Comments
Hi, very interesting and fun
Hi, very interesting and fun game here! Is there a way of playing the computer so it plays optimally so I can see if I can find a strategy?
It is a tad frustrating playing against an AI that seems to play to lose.
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there is a strategy to win
you can win by using lines the computer don't know how to use lines so just use both lines and dots.
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Kaxo
Kaxo is hard to draw the lines across because it scrolls to the bottom of the page. So FIX it.
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I know how you can always win
Just make sure that when you move you leave an even amount of dots.Trust me it always works
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Hi Lilly! Interesting thought
Hi Lilly! Interesting thought. Can you explain it further?
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Computer player
The computer player isn't very challenging compared to a real person this is a flaw but improving the computer would make it a much more common game for me
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Easy
The winning strategy is to cross out the longest diagonal first, then cross out the horizontals and verticals on the edge.
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Kaxo strategy
You need to go down the screen making the longest possible horizontal lines and leave the computer with the last gap.
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easy way to win
It is easy to win the computer always uses dots so use a line to cross every thing out except one then you win
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