Spirex is an abstract game for 2 players. It is like Hex on a different board. The name is a combination of the words "Spiral" and "Hex". The board is based on a type of Fermat's spiral which appears in sunflowers and uses Sacred Geometry.
Play on the following board:
One player has white stones. The other has black stones.
Players alternate placing one stone on a green intersection or the node in the middle (Yin-Yang symbol). A player may place a stone in the middle only if he has at least 6 stones of his color on adjacent nodes. White moves first.
The player to connect one of the three nodes of his color on one side of the board with one of the three nodes of his color on the opposite side of the board wins the game.
You can also download a PDF version of the rules here: