A pattern formation board game and method of play are presented. The present invention includes a board having a play area with a plurality of overlapping substantially circular patterns thereon. Circular patterns are composed of a plurality of interlocking spaces including two geometric shapes. Game pieces are substantially identical in shape and size to the geometric shapes on the game board. Game pieces are placed onto likewise-shaped spaces so as to form overlapping primary and second geometric patterns. A player declares any primary and secondary patterns formed after placement of a game piece, records a pattern as a tally mark on a score sheet, and calculates a total score after no further primary patterns are possible.