The world's most famous puzzle challenge is no longer a solitary occupation. It's now a mind-stretching, all absorbing, 3-dimensional strategy game, whose playing surface can be rearranged to form billions upon billions of different patterns. So choose your cube colors, place the pegs on your cube squares, trying for three pegged squares of the same color, all in a row, all on the same side of the cube, and then give the cube a twist to foil your opponents' strategies - BoardGameGeek