This Special Buildings Expansion is an expansion for Eastern Empires and contains 9 unique miniature buildings in total, 1 for each playable Eastern civilization. During the game players may choose to construct a special building which grants various benefits. Building the right building at the right time will provide additional victory points. Both the Special Buildings Expansion for Western Empires and Eastern Empires can be combined with Mega Empires altogether. The expansion is also compatible with Mega Civilization. —description from the designer