Antimatter Matters: A Quantum Physics Board Game (Really!) Be the first to build an atom out of the very building blocks of the universe Competitive, team and cooperative play modes for 2-6 players, included in the box Average game duration: 45-60 minutes, perfect for a get-together with family or friends Mix and match modes and levels so players of different ages and skills can play a fair and competitive game Visual design uses double-coding to make it accessible to gamers with color-blindness and to those with limited vision or fine-motor skill