Fecha de publicación: 03/04/1991 Fuente: WIPO "royal booby" Apparatus for playing a game comprises game boards representing sea, land and air, and being subdivided into spaces, and playing pieces representative of opposing armies, which playing pieces may be moved from space to space on said boards. At least some of said spaces are distinguishable from each other to represent hazards or supply instructions to indicate another of the boards to which the playing piece landing on that space may then transfer. Question-and-answer cards may be provided. The game to be played is simulated combat game and said opposing armies may comprise firstly, forces for defending the planet Earth against invasion, and secondly, alien forces from outer space intent on invading the Earth.