Trigon is another game variant. The rules a similar to game variant Classic but it uses a differently shaped board and a different set of pieces. Each color uses 22 pieces that are shaped like the polyiamonds up to size six. A polyiamond is a shape built from a number of equilateral triangles connected along the edges.
The 22 Trigon pieces
The board also consists of triangles and is shaped like a hexagon with an edge size of nine triangles.
The board with the starting fields marked with gray dots
There are six starting points on the board, each located in the middle of the fourth row away from each edge. The starting points are not colored and the players may freely choose a starting point for the first piece of a color.
An example position in game variant Trigon
Like game variant Classic, Trigon can be played with two players by having one player play Blue and Red and the other player Yellow and Green.