How to play Horizon V on Mac

While on a routine patrol of one of the five planetoid outposts of the Galactic Federation, you are set upon by angry G-bellians who believe you have kidnapped one of their most prized performers, Paulette the G-belly dancer. Before you are able to explain your innocence, the G-bellians attack and you are forced to defend your planetoid. Using radar and plasma weapons you destroy first the ships and then the G-bellians themselves before you run out of fuel. As you make a run for fuel, some of the G-bellians follow you into the time warp. But before you can get to your fuel you have to destroy the oncoming G-bellians. Finally you reach the fuel dump and lock into the center of the fuel target... then onto the next planetoid...