Invented twice
Piet Hein dreamed Hex up in 1940s Copenhagen. John Nash — yes, that one — re-invented it at Princeton, supposedly inspired by bathroom floor tiles.
Take turns colouring a chain of touching hexes that spells a real word. Blue joins top to bottom, red joins left to right. Block, bluff and find the long ones.
Pick your board
You'll get a link to send your friend.
Blue owns the top and bottom edges. Red owns the left and right.
Piet Hein dreamed Hex up in 1940s Copenhagen. John Nash — yes, that one — re-invented it at Princeton, supposedly inspired by bathroom floor tiles.
Place stones, build a chain across the board, block your opponent's. Mathematicians have been chewing on it ever since.
In the 1950s Claude Shannon built an electrified Hex machine that could beat a human. It was pronounced “hoax”.