You try to communicate words or phrases by placing plastic cubes on a board full of universal icons. You cannot speak or act out anything during your turn. It forces you to break down complex ideas into simple visual building blocks. Most groups eventually stop keeping score and just play to see if they can solve the puzzles. It is very relaxed and allows people to drop in or out of the room freely. You will be surprised by how clever your friends can be with just a few tiny cubes.