About Hex Link
Hex Link is the board game Hex, invented by the mathematicians Piet Hein and John Nash. The board is a diamond of hexagons. You are red and want a chain of touching red hexagons from the top edge to the bottom edge; your opponent is blue and wants a chain from left to right.
Every move both builds your chain and blocks theirs, and because of the shape of the board one player must always get through: Hex can never end in a draw. There are six computer opponents, from Pebble the turtle on a small 5 by 5 board to the Hex Master on 9 by 9. Each match is three rounds, taking turns to go first, and every round you win is a star.
The best trick in Hex is the bridge: two of your hexagons with two empty hexagons between them are as good as joined, because if your opponent blocks one you take the other. You can also play a friend on one phone. A robot played many computer-against-computer games to put the opponents in order.
Best for ages 7+
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