Board game having pieces which change mode on each move

A game played by two players on a board having solely three rows of a predetermined number of equally sized squares, a set of pieces for each player, the pieces of each of said sets being cubes sized to fit within each board square, all of said cubes being substantially identical in surface markings, except for indicia for distinguishing between the two sets, said surface markings comprising three pairs of mode indicia, each pair being located on opposite faces of the cube, the particular mode indicium appearing on the upfacing face of the cube as positioned on a square designating the mode characteristic of the cube with the other indicia on the vertical faces visible to both players, the three mode characteristics being aggressive wherein the cube can be taken or can take, vulnerable wherein the cube can be taken, and impregnable wherein the cube cannot be taken, each move of a cube to an adjacent square by including a 90.degree. rotation of the cube in the direction of movement effecting a predictable change of mode.