Grepolis is a single-player strategy game in which players develop and expand their ancient Greek city-state, or polis, through building, research, and military conquest. In this game, players start with a small polis and gradually develop it into a thriving metropolis by constructing various buildings, researching technologies, and forming alliances with other players in a historical setting inspired by ancient Greece. It stands out with its integration of mythological themes, allowing players to summon Greek gods like Zeus, Poseidon, Hera, Athena, and Hades to aid their empire, and to recruit mythical units such as Hydra, Pegasus, and Manticore, adding a layer of advanced gameplay and strategic depth.