An octahedron-shaped game structure is disclosed for playing a three-dimensional strategy game. A plurality of cubes is introduced to configure the shape of octahedron and two sets of game pieces are provided. The preferred embodiment of the game structure has an arrangement of 11 tiers. The present invention is a game for two players and each player has a king, four rooks, four bishops, four knights, and twelve pawns. Contrasting coloration is used for the game structure and game pieces. It defines two different terrains and two different armies. A method of playing the game is also disclosed, including rules for movement of the game pieces on the game structure. The goal of the present game is to capture the opponent's king, however game can be also ultimately won if a pawn advances all the way to the opponent's pinnacle. The pinnacle is the last surface of each army's terrain.