How to play Galactic Civilizations II: Dark Avatar on Mac

Galactic Civilizations II: Dark Avatar is the first expansion pack to the turn-based strategy game Galactic Civilizations II: Dread Lords. It added new features such as: Two new civilizations: a genocidal Drengin offshoot called the Korath and a civilization called the Krynn, A new campaign in which the player leads the Drengin Empire, The ability to create custom opponents, An "environment" statistic to planets, which will determine which civilization can innately colonize or what technologies will be necessary for other civilizations to colonize different planets, An enhanced role for espionage, special "Agents" being hired that can conduct various missions, such as sabotage or destabilization, on rival worlds, or act as counter-agents against rival agents attempting to conduct missions on the player's worlds, Asteroid fields to the space map, for players to mine for resources. Resources from asteroid fields are directed to planets where they increase manufacturing capacity, A great deal of new ship hulls and jewellery and The extermination of two civilizations during the campaign - the two exterminated civilizations will still be available in "sandbox" mode, but will not appear in the future releases of the game.